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Chapter 2: VessRAID Installation

15

Installing Disk Drives

You can populate the VessRAID with SAS or SATA hard disk drives. For optimal
performance, install physical drives of the same model and capacity. The drives’
matched performance allows the logical drive to function better as a single drive.
The table below shows the number of drives required for each RAID level.

Drive Slot Numbering

You can install any suitable disk drive into any slot in the enclosure. The
diagrams below show how VessRAID’s drive slots are numbered. Slot numbering
is reflected in the WebPAM PROe and CLU user interfaces.

Figure 8. VessRAID 1740i and 1840i drive slot numbering

Level

Number of Drives

Level

Number of Drives

RAID 0

1 or more

RAID 6

4 to 32

RAID 1

2 only

RAID 10

4 or more*

RAID 1E

2 or more

RAID 50

6 or more

RAID 5

3 to 32

RAID 60

8 or more

* Must be an even number of drives.

8

6

5

1

2

3

4

7

13

14

15

16

9

10

11

12

«
...
29
30
31
32
33
...
»

Содержание VessRAID 1720i

Страница 1: ...VessRAID 1720i 1730i 1740i 1820i 1830i 1840i Product Manual Version 1 1 ...

Страница 2: ... contain technical inaccuracies typographical or other errors Promise Technology assumes no liability for any error in this publication and for damages whether direct indirect incidental consequential or otherwise that may result from such error including but not limited to loss of data or profits Promise Technology provides this publication as is without warranty of any kind either express or imp...

Страница 3: ...ions H x W x D 7 Net Weight 7 Carton Dimensions H x W x D 7 Carton Weight 7 Safety 7 Environmental 7 Warranty and Support 8 CE Statement 8 FCC Statement 8 KCC Statement 8 Chapter 2 VessRAID Installation 9 Unpacking the VessRAID 9 Installing the LCD Panel Optional 11 Mounting VessRAID in a Rack 13 Installing Disk Drives 15 Drive Slot Numbering 15 Installing Your Disk Drives 17 Making Data and Manag...

Страница 4: ...ng Automatic IP Settings 32 Configuring the RAID 32 Viewing IP Address and Settings 32 Exiting the CLU 32 Setting up with the LCD 33 Making Manual IP Settings 33 Making Automatic IP Settings 34 Creating Disk Arrays with WebPAM PROe 35 Logging into WebPAM PROe 35 Selecting a Language 37 Creating a Disk Array 37 Logging out of WebPAM PROe 41 Using WebPAM PROe over the Internet 42 Chapter 4 Managemen...

Страница 5: ...AM Events 54 Saving NVRAM Events 55 Clearing NVRAM Events 55 Viewing Current Background Activities 56 Making Background Activity Settings 56 Running Background Activities 57 Running Media Patrol 57 Running PDM 58 Viewing Scheduled Activities 58 Scheduling an Activity 58 Deleting a Scheduled Activity 59 Viewing Lock Status 60 Setting the Lock 60 Renewing the Lock 60 Releasing the Lock 61 Managing U...

Страница 6: ...ator 76 Deleting an Initiator 76 Viewing the LUN Map 77 Enabling LUN Masking 77 Adding a LUN Map 77 Editing a LUN Map 78 Managing Software Services 79 Making Email Settings 79 Making SLP Settings 80 Making Web Server Settings 81 Making Telnet Settings 82 Making SNMP Settings 83 Making Netsend Settings 84 Exporting the User Database 87 Importing a User Database 87 Importing a Configuration Script 8...

Страница 7: ...03 Testing the Buzzer 104 Managing Physical Drives 105 Viewing a List of Physical Drives 105 Identifying a Physical Drive 105 Making Global Physical Drive Settings 106 Viewing Physical Drive Information 106 Viewing Physical Drive Statistics 107 Making Physical Drive Settings 107 Clearing Stale and PFA Conditions 108 Forcing a Physical Drive Offline or Online 108 Locating a Physical Drive 109 Manag...

Страница 8: ...aking Logical Drive Settings 129 Initializing a Logical Drive 129 Running Redundancy Check 130 Viewing the Logical Drive Check Table 131 Making Logical Drive LUN Settings 132 Managing Spare Drives 133 Viewing a List of Spare Drives 133 Locating a Spare Drive 133 Creating a Spare Drive 134 Deleting Spare Drive 135 Making Spare Drive Settings 135 Running Spare Check 136 Working with the Logical Driv...

Страница 9: ...nsor Status 151 Viewing Temperature Sensor Status 151 Setting Temperature Thresholds 152 Checking the Batteries 152 Reconditioning a Battery 153 Locating an Enclosure 153 Viewing Enclosure Topology 154 Managing Physical Drives 155 Making Global Physical Drive Settings 155 Setting an Alias 156 Viewing Advanced Information 156 Viewing Physical Drive Statistics 156 Clearing Stale and PFA Conditions 1...

Страница 10: ...ttings 170 Running Spare Check 170 Deleting a Spare Drive 171 Managing Logical Drives 172 Viewing Logical Drive Information 172 Setting an Alias for a Logical Drive 172 Setting Write Cache Policy 172 Setting Read Cache Policy 173 Initializing a Logical Drive 173 Running Redundancy Check 174 Locating a Logical Drive 174 Managing the Network Connection 175 Making Management Port Settings 175 Making ...

Страница 11: ... UPS Units 190 Viewing a List of UPS Units 190 Making UPS Settings 191 Viewing UPS Information 192 Managing Users 193 Viewing User Information 193 Creating a User 193 Changing a User s Password 194 Changing a User s Display Name and Email Address 194 Changing a User s Privilege and Status 195 Deleting a User 195 Working with Software Management 196 Making Email Settings 196 Making SLP Settings 197...

Страница 12: ...1 Perusing the Interface 212 Making Mode Settings 212 Simple Mode 212 Advanced Mode 213 Limitations 213 Viewing Events 213 Managing the Network Connection 214 Making Management Port Settings 214 Managing the Controller 216 Viewing Controller Information 216 Managing Enclosures 217 Viewing the Enclosure 217 Making Buzzer Settings 217 Managing Physical Drives 218 Viewing Physical Drive Information 2...

Страница 13: ...g the Firmware 234 Restarting Subsystem over a Telnet Connection 235 Restarting Subsystem over a Serial Connection 235 Replacing a Power Supply 236 VessRAID 1700i Series 236 VessRAID 1800i Series 236 Replacing a RAID Controller 237 Removing the old controller 237 Installing the new controller 237 Replacing a Cooling Fan 238 Replacing the Cache Battery 240 Replacing the Memory Module 242 Chapter 8 ...

Страница 14: ...itation 260 Cache Policy 260 Read Cache Policy 261 Write Cache Policy 261 Adaptive Writeback Cache 261 Capacity Coercion 262 Initialization 262 Hot Spare Drive s 263 Partition and Format the Logical Drive 263 RAID Level Migration 264 RAID 0 265 RAID 1 266 RAID 1E 266 RAID 5 267 RAID 6 267 RAID 10 268 RAID 50 269 RAID 60 269 Ranges of Disk Array Expansion 270 Media Patrol 271 Predictive Data Migrat...

Страница 15: ...9 Critical Offline Disk Arrays 302 When a Physical Drive Fails 302 With a Hot Spare Drive 303 Without a Hot Spare Drive 303 Rebuild Operation 304 Incomplete Array 305 Physical Drive Problems 306 Physical Drive Offline 306 Physical Drive Not Usable 306 Physical Drive Failed 306 Enclosure Problems 308 Connection Problems 311 Serial Connections 311 Network Connections 312 Browser Does Not Connect to ...

Страница 16: ...VessRAID 1000i Series Product Manual xvi ...

Страница 17: ...rofessional WebPAM PROe software This manual includes a full table of contents index chapter task lists and numerous cross references to help you find the specific information you are looking for Also included are four levels of notices Note A Note provides helpful information such as hints or alternative ways of doing a task Important An Important calls attention to an essential step or point req...

Страница 18: ...Figure 1 VessRAID 1730i front view A defective drive may be replaced without interruption of data availability to the host computer If so configured a hot spare drive will automatically replace a failed drive securing the fault tolerant integrity of the logical drive The self contained hardware based RAID logical drive provides maximum performance in a compact external chassis Figure 2 VessRAID 17...

Страница 19: ...lash memory for additional functions and 128 KB 8 bit NVRAM 512 MB DDRII SDRAM DIMM expandable to 2GB SDRAM available with optional battery backup up to 72 hours PMC PM8388 expander with 2MB flash memory 16 and 12 bay models only 10 100Mb RJ45 Ethernet management port RJ11 serial port supports RS232 protocol via adapter cable USB 2 0 external ports for subsystem management 8 or 12 hot swappable dr...

Страница 20: ...RAID vendors Compatible with leading SAS hard drives host bus adapters and RAID controllers Subsystem and Controller Features Drive Support Up to 16 3 5 x 1 SAS or SATA 3 Gb s hard disk drives Supports any combination of SAS and SATA drives in the system Staggered physical drive spin up External I O Ports Four GbE iSCSI host ports One external 3 Gb s SAS x4 port for JBOD expansion on 16 and 12 bay...

Страница 21: ...from bad status HD Power control to recover HD from hung status Array Error Recovery Data recovery from bad sector or failed HD for redundant RAID RAID 5 6 inconsistent data Prevent Write Hole Table Data content Error Prevent Read Write Check Table NVRAM event logging SCSI Commands Supports extensive SCSI command set equivalent to SCSI FC hard disk drives Variable sector size 512 byte to 4 KB to b...

Страница 22: ...1830i 1820i 6A 100 VAC or 3 A 240 VAC Current rating with two power cords 1740i 7A 100 VAC or 3 5 A 240 VAC Current rating with one power cord 1730i 1720i 6A 100 VAC or 3 A 240 VAC Current rating with one power cord Power Consumption 1740i 1840i without disk drives 72 3 W with disk drives 242 8 W 1730i 1830i without disk drives 82 2 W with disk drives 218 6 W 1720i 1820i without disk drives 73 2 W...

Страница 23: ...kg 27 8 lb without drives 16 6 kg 36 6 lb with 8 drives 1740i 13 2 kg 29 1 lb without drives 21 2 kg 46 7 lb with 16 drives 1730i 11 0 kg 25 6 lb without drives 17 0 kg 37 5 lb with 12 drives 1720i 10 8 kg 23 8 lb without drives 14 8 kg 32 6 lb with 8 drives Assuming 0 5 kg 1 1 lb per drive Carton Dimensions H x W x D All models 28 5 x 57 2 x 75 2 cm 11 2 x 22 5 x 29 6 in Carton Weight 1840i 20 4 ...

Страница 24: ... and compatibility CE Statement Warning This is a class B product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures FCC Statement This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any ...

Страница 25: ...owers the controller cache to preserve any data it contains VessRAID Unit Quick Start Guide printed RJ11 to DB9 serial data cable Screws for disk drives 70 pieces for 16 bay 50 pieces for 12 and 8 bay 1 5m 4 9 ft Power cords 1700i models 1 1800i models 2 CD with SNMP files Product Manual and Quick Start Guide in PDF format Caution There is a risk of explosion if the battery is replaced by the inco...

Страница 26: ...curing the fault tolerant integrity of the logical drive The self contained hardware based RAID logical drive provides maximum performance in a compact external chassis Figure 2 VessRAID 1730i rear view VessRAID Models and Descriptions 1800i Model Drive Slots Power Supplies 1700i Model Drive Slots Power Supplies 1840i 16 2 1740i 16 1 1830i 12 2 1730i 12 1 1820i 8 2 1720i 8 1 Drive Carrier LEDs Dri...

Страница 27: ...et of the VessRAID enclosure to the connector on the back of the LCD panel as shown in Figure 4 Figure 4 Align the connectors on the enclosure and the LCD panel Cautions The LCD panel is NOT a hot swap device Be sure the VessRAID is powered down before you connect or disconnect the LCD panel You must install the LCD panel before you mount the VessRAID subsystem in a rack RAID Controller Power Supp...

Страница 28: ...gh the holes in the left bracket and into the threaded holes in the LCD panel as shown in Figure 5 Tighten the screws to secure the LCD panel to the bracket Figure 5 Attach the LCD panel to the VessRAID enclosure The LCD screen activates when the VessRAID boots See Connecting the Power on page 24 ...

Страница 29: ... rack system Be sure the support is on the bottom facing inward 4 Square the rail assemblies in the rack 5 Tighten the adjustment screws and the attaching screws Cautions At least two persons are required to safely lift place and attach the VessRAID subsystem into a rack system Do not lift or move the VessRAID subsystem by the handles power supplies or the controller units Hold the subsystem itsel...

Страница 30: ...ugh each handle using the attaching screws from your rack system Figure 7 Rack mount assembly diagram This completes rack mounting Inside of post Rack front post Rail attaching screws not included Rail adjustment screw center outside of rail Flange Inside of post Rack back post Front rail Rear rail Support Locating pins 2 on each end ...

Страница 31: ...r each RAID level Drive Slot Numbering You can install any suitable disk drive into any slot in the enclosure The diagrams below show how VessRAID s drive slots are numbered Slot numbering is reflected in the WebPAM PROe and CLU user interfaces Figure 8 VessRAID 1740i and 1840i drive slot numbering Level Number of Drives Level Number of Drives RAID 0 1 or more RAID 6 4 to 32 RAID 1 2 only RAID 10 ...

Страница 32: ...30i drive slot numbering Figure 10 VessRAID 1720i and 1820i drive slot numbering Install all of the drive carriers into the VessRAID enclosure to ensure proper airflow even if you do not populate all the carriers with disk drives 8 6 5 1 2 3 4 7 9 10 11 12 1 2 3 4 5 6 7 8 ...

Страница 33: ...unter sink screws supplied with the VessRAID Install four screws per drive Snug each screw Be careful not to over tighten 4 Reinstall the drive carrier into the VessRAID chassis Repeat steps 1 through 3 until all of your disk drives are installed Figure 11 Disk drive mounted in a drive carrier This completes disk drive installation Caution VessRAID supports disk drive hot swapping To avoid hand co...

Страница 34: ...ata path 1 Attach one end of an Ethernet cable to the GbE iSCSI NIC in the Host PC 2 Attach the other end of the Ethernet cable to one of the four iSCSI ports on the VessRAID subsystem Configuring a Management Path VessRAID subsystems have one RAID controller The controller has an Ethernet RJ45 Management Port connector that enables you to monitor the VessRAID over your network using the WebPAM PR...

Страница 35: ...ther end of the Ethernet cable to the management port on the VessRAID subsystem Figure 12 DAS data and management connections Std NIC GbE NIC Host PC or Server Std Network Switch VessRAID Management Cables Data Cable iSCSI Data Ports Management Port ...

Страница 36: ...to one of the four iSCSI ports on the VessRAID subsystem Only one iSCSI data cable is required between the VessRAID and GbE network switch However you can attach multiple cables to create redundant data paths If you have another iSCSI VessRAID subsystem configure its Data Path in the same way Configuring a Management Path VessRAID subsystems have one RAID controller The controller has an Ethernet ...

Страница 37: ...subsystem configure its Management Path in the same way Figure 13 SAN data and management connections Host PCs or Servers Std NIC Std Network Switch GbE Network Switch VessRAID VessRAID GbE NIC Std NIC GbE NIC Management Cables Data Cables iSCSI Data Ports Management Port ...

Страница 38: ...VessJBOD 2 Connect the SAS OUT port with a diamond icon of the VessJBOD I O module of the first VessJBOD to the SAS IN port with a circle icon on the I O module of the second VessJBOD 3 Connect the remaining VessJBOD units in the same manner Be sure to connect circle icon to diamond icon and vice versa All SAS ports have SFF 8088 connectors SAS cables are not included Figure 14 JBOD expansion to D...

Страница 39: ...includes a RJ11 to DB9 serial data cable Figure 15 A serial connector is located on the controller To set up a serial cable connection 1 Attach the RJ11 end of the serial data cable to the RJ11 serial connector on the controller 2 Attach the DB9 end of the serial data cable to a serial port on the Host PC or Server This completes the serial cable connection See Setting up the Serial Connection on ...

Страница 40: ...ot up is finished and the VessRAID subsystem is functioning normally Power Global Enclosure Status and Global RAID Status LEDs display green continuously Controller Activity LED flashes green when there is controller activity System Heartbeat LED blinks green seven times in three seconds goes dark for six seconds then repeats the pattern Figure 16 VessRAID front panel LED display Important If you ...

Страница 41: ... LEDs There are two LEDs on each Drive Carrier They report the presence of a disk drive activity of the drive and the drive s current condition Figure 18 VessRAID disk drive carrier LEDs If there is a disk drive in the carrier the Power Activity LED displays Green If not the Power Activity LED remains dark The Power Activity LED flashes during drive activity The Disk Status LED displays Green when...

Страница 42: ...en the VessRAID is fully booted and running under normal conditions the LCD screen shows the VessRAID model number and IP address as shown in Figure 19 Figure 19 VessRAID optional LCD display A list of LCD panel functions and instructions for using them is included in the VessRAID Product Manual on the CD This completes the power and start up For setup instructions see Chapter 3 VessRAID Setup on ...

Страница 43: ...Microsoft HyperTerminal This procedure uses the serial cable connection you made in Chapter 2 page 23 You must use the CLI or CLU to assign an IP address to the VessRAID to enable a network connection for WebPAM PROe 1 Change your terminal emulation program settings to match the following specifications Bits per second 115200 Data bits 8 Parity None Stop bits 1 Flow control none 2 Start your PC s ...

Страница 44: ... server from assigning a new IP address when the VessRAID restarts with the result that users can no longer log in To access the MAC address for VessRAID s management port 1 At the administrator cli prompt type menu and press Enter The CLU main menu appears 2 In the CLU Main Menu highlight Network Management and press Enter then highlight the management port and press Enter Figure 1 Viewing the ma...

Страница 45: ...l be different If you prefer to let your DHCP server assign the IP address type the following string then press Enter administrator cli net a mod t mgmt s dhcp enable 3 To verify the settings type net and press Enter administrator cli net CId Port Type IP Mask Gateway Link 1 1 Mgmt 192 168 10 85 255 255 255 0 192 168 10 1 Up 1 1 iSCSI 10 0 0 2 0 0 0 0 0 0 0 0 Down 1 2 iSCSI 10 0 0 3 0 0 0 0 0 0 0 ...

Страница 46: ...Mask Gateway Link 1 1 Mgmt 192 168 10 85 255 255 255 0 192 168 10 1 Up 1 1 iSCSI 192 168 10 88 255 255 255 0 192 168 10 1 Up 1 2 iSCSI 10 0 0 3 0 0 0 0 0 0 0 0 Down 1 3 iSCSI 10 0 0 4 0 0 0 0 0 0 0 0 Down 1 4 iSCSI 10 0 0 5 0 0 0 0 0 0 0 0 Down 6 Repeat steps 3 and 4 to set the other iSCSI ports Use p 2 p 3 or p 4 in place of p 1 ...

Страница 47: ...ime settings Setting system date and time To make date and time settings 1 Press the arrow keys to highlight System Date 2 Press the backspace key to erase the current date 3 Type the new date 4 Follow the same procedure to set the System Time 5 Press Ctrl A to save these settings and move to the Management Port configuration screen Making Manual IP Settings To make Management Port and iSCSI Port ...

Страница 48: ...plications 4 Press Ctrl A to save these settings and move to the RAID configuration screen Configuring the RAID You can configure your RAID arrays and logical drives using the CLU at this time However those actions are described in Task 8 using WebPAM PROe The suggested action is to highlight Skip the Step and Finish and press Enter Viewing IP Address and Settings To view the current IP address an...

Страница 49: ...ess the or button and the display says IP Address 4 Press the button to make a change The current IP Address displays with the cursor under the first extreme left digit 5 Press the button to increment and the button decrement Press the button to move left and the button move right To set an IP address with double or single digit octets for example 192 168 1 50 type zeros as placeholders 192 168 00...

Страница 50: ... or button until the display says Management Port 2 Press the button and the display says Link Status Up If it says Link Status Down reconnect to the network before preceding 3 Press the or button and the display says DHCP Disable 4 Press the button to make a change 5 Press the button to Enable 6 Press the button to confirm The display shows the new IP address set by the DHCP server This completes...

Страница 51: ...elow is only an example The IP address you type into your browser will be different Regular Connection WebPAM PROe uses an HTTP connection http Enter the VessRAID s IP address 192 168 10 85 Together your entry looks like this http 192 168 10 85 Secure Connection WebPAM PROe uses a secure HTTP connection https Enter the VessRAID s IP address 192 168 10 85 Together your entry looks like this https 1...

Страница 52: ...he User Name and Password are case sensitive Figure 4 WebPAM PROe log in screen After sign in the WebPAM PROe opening screen appears If there are any unconfigured physical drives in the enclosure an Array Configuration menu will also appear see page 38 Note Make a Bookmark Netscape Navigator or set a Favorite Internet Explorer of the Login Screen so you can access it easily next time ...

Страница 53: ...y following a default set of parameters Makes one logical drive automatically Also makes a hot spare drive for all RAID levels except RAID 0 if at least five unconfigured physical drives are available If you have multiple enclosures multiple disk array and logical drive sets are created See page 38 Express You choose the parameters for a new disk array by specifying the characteristics you want Yo...

Страница 54: ...el capacity and stripe size Spare Drives The physical drive ID number of the dedicated hot spare assigned to this disk array If you have both Hard Disk Drives HDD and Solid State Drives SSD separate disk array and logical drive sets will be created for your HDDs and for your SSDs These two drive types cannot be mixed in the same disk array If you accept these parameters click the Submit button The...

Страница 55: ...n Data Transaction Log Other 4 Click the Update button Or check the Automatic Update box and updates will occur automatically The following parameters display Disk Arrays The number of physical drives in the disk array their ID numbers configurable capacity and the number of logical drives to be created Logical Drives The ID number of the logical drives their RAID level capacity and stripe size Sp...

Страница 56: ... Drives SSD Solid State Drives The drive type you selected appears in the list of Physical Drives You cannot mix HDDs and SSDs in the same disk array 4 Highlight the physical drives you want in the disk array from the Available list and press the button to move them to the Selected list You can also double click them to move them 5 When you are done click the Next button Step 2 Logical Drive Creat...

Страница 57: ...under New Logical Drives Repeat the above steps to specify additional logical drives as desired 11 When you have finished specifying logical drives click the Next button Step 3 Summary The Summary lists the disk array and logical drive information you specified To proceed with disk array and logical drive creation click the Submit button Logging out of WebPAM PROe There are two ways to log out of ...

Страница 58: ... to connect to a VessRAID from the Internet Your MIS Administrator can tell you how to access your network from outside the firewall Once you are logged onto the network you can access the VessRAID using its IP address While only a iSCSI or SAS capable PC can read and write data to the logical drives on the VessRAID other PCs can monitor the VessRAID from virtually any location ...

Страница 59: ... page 87 Importing a Configuration Script page 88 Updating the Firmware page 89 Viewing Flash Image Information page 89 Restoring Factory Defaults page 90 Clearing Statistics page 90 Shutting Down the Subsystem page 91 Starting Up After Shutdown page 93 Restarting the Subsystem page 94 Managing the Controller page 95 Managing Enclosures page 99 Managing Physical Drives page 105 Managing UPS Units ...

Страница 60: ...ttp Enter the VessRAID s IP address 192 168 10 85 Together your entry looks like this http 192 168 10 85 Secure Connection WebPAM PROe uses a secure HTTP connection https Enter the VessRAID s IP address 192 168 10 85 Together your entry looks like this https 192 168 10 85 3 When the log in screen Figure 1 appears Type administrator in the User Name field Type password in the Password field Click t...

Страница 61: ...ing a Language WebPAM PROe displays in English German French Italian Spanish Russian Japanese Chinese Traditional Chinese Simple and Korean 1 Click Language on the WebPAM PROe banner The language list appears in the Header 2 Click on the language you prefer The WebPAM PROe user interface displays in the selected language Note Make a Bookmark Netscape Navigator or set a Favorite Internet Explorer o...

Страница 62: ... Series Product Manual 46 Figure 2 Clicking Language on the WebPAM PROe banner Perusing the Interface WebPAM PROe is browser based RAID management software with a graphic user interface Figure 3 WebPAM PROe interface ...

Страница 63: ...see Working with the Storage Network on page 51 Contact Us Click Contact Us for a list of contact information including Technical Support Also see Contacting Technical Support on page 319 Logout To log out of WebPAM PROe see page 49 Help Click Help in the Header to access the main online help menu About Click About in the Header to display the WebPAM PROe software version and build date Using Tree...

Страница 64: ...essRAID including creation maintenance deletion and monitoring of disk arrays and logical drives Function Tabs control specific actions and processes This window changes depending on which item you choose in Tree View and which tab you choose in Management View itself Physical Drives in this Enclosure Name of logged in user Subsystem IP address and model ...

Страница 65: ...t Severity Information Warning Minor Major Critical and Fatal The severity level is user specified See Setting up User Event Subscriptions on page 63 Time Time and date of the occurrence Description A brief description of the event Sorting Events You can sort the events by Item Number Device Event ID Severity Time and Date or Description Click the link at the top of the column by which you want to...

Страница 66: ...es Product Manual 50 Figure 5 Clicking Logout on the WebPAM PROe banner Clicking Logout brings you back to the Login Screen See page 45 After logging out you must enter your user name and password in order to log in again ...

Страница 67: ... Network 1 Click Storage Network in the Header 2 Click the Show Network Subsystems popup option The list will show all subsystems the network at the time the GUI was launched Updating the List of Subsystems To update the list of the VessRAID subsytems the Storage Network Click the Discover button at the bottom of the subsystem list Logging into a Subsystem To log into any of the displayed VessRAID...

Страница 68: ...s page 56 Making Background Activity Settings page 56 Running Background Activities page 57 Running Media Patrol page 57 Running PDM page 58 Viewing Scheduled Activities page 58 Scheduling an Activity page 58 Deleting a Scheduled Activity page 59 Viewing Lock Status page 60 Setting the Lock page 60 Renewing the Lock page 60 Releasing the Lock page 61 Viewing Subsystem Information To view informati...

Страница 69: ...n menus 4 Type the current year into the Year field 5 Under Subsystem Time choose the Hour Minutes and Seconds from the dropdown menus 6 Click the Submit button Viewing the Runtime Event Log Runtime Events lists information about the 1023 most recent runtime events recorded since the system was started To view runtime events 1 In Tree View click the Subsystem icon 2 In Management View click the Ev...

Страница 70: ...pdown menu and choose Runtime Events 3 Click the Save Event Log button 4 In the File Download dialog box click the Save button 5 In the Save dialog box name the file navigate to the folder where you want to save the log file and click the Save button Clearing the Runtime Event Log To clear the runtime event log 1 In Tree View click the Subsystem icon 2 In Management View click the Events tab dropd...

Страница 71: ...r old to new If the triangle points downward the column is sorted high to low or new to old Click the link a second time to change to flip the triangle and reverse the sort sequence Saving NVRAM Events To save the NVRAM event log as a text file 1 In Tree View click the Subsystem icon 2 In Management View click the Events tab dropdown menu and choose System Events in NVRAM 3 Click the Save Event Lo...

Страница 72: ...own menu to choose a priority of Low Medium and High for the following functions Rebuild Rebuilds the data from a failed drive in a disk array Synchronization Checks the data integrity on disk arrays Initialization Sets all data bits in the logical drive to zero Redundancy Check Checks reports and can correct data inconsistencies in logical drives Migration Change RAID level or add physical dries ...

Страница 73: ...ackground Activities tab and choose one of the following from the dropdown menu Media Patrol See Running Media Patrol on page 57 Rebuild See Rebuilding a Disk Array on page 123 PDM See Running PDM on page 58 Transition See Transitioning a Disk Array on page 125 Initialization See Initializing a Logical Drive on page 129 Redundancy Check See Running Redundancy Check on page 130 3 In the next screen...

Страница 74: ...he replacement physical drive is the target 4 Click the Start button Viewing Scheduled Activities To view scheduled activities for this subsystem 1 Click the Subsystem icon Tree View 2 Click the Scheduler tab in Management View Scheduling an Activity To set a scheduled activity for this subsystem 1 Click the Subsystem icon Tree View 2 From the dropdown menu on the Scheduler tab choose an item Medi...

Страница 75: ... a specific end date The default is today s date 7 For Redundancy Check only Choose the Auto Fix option This feature attempts to repair the problem when it finds an error Choose the Pause on Error option This feature stops the process when it finds an error Check the boxes beside the logical drives all except RAID 0 to which this activity will apply Each logical drive can have only one scheduled R...

Страница 76: ...ng by the same user from making a configuration change to the controller until the lock expires or a forced unlock is done You can set the lock to last from one minute to one day To set the lock for this subsystem 1 Click the Subsystem icon Tree View 2 Click the Lock tab in Management View 3 Click the Lock option 4 Enter a time interval between 1 and 1440 minutes one day that you want the lock to ...

Страница 77: ...change to the controller until the lock expires or a forced unlock is done When the user who locked the controller logs out the lock is automatically released You can also release the lock before the scheduled time To release the lock for this subsystem 1 Click the Subsystem icon Tree View 2 Click the Lock tab in Management View If you are the User who set the lock click the Unlock option If anoth...

Страница 78: ...status access privileges display name and email address 1 Click the Subsystem icon in Tree View 2 Click the Administrative Tools icon 3 Click the User Management icon The Information tab appears in Management View Making User Settings To change settings of other users 1 Log into WebPAM PROe as the Administrator or a Super User 2 Click the Subsystem icon in Tree View 3 Click the Administrative Tool...

Страница 79: ...mit button Setting up User Event Subscriptions An event subscription enables a user to receive email messages about events taking place in the VessRAID subsystem To make or change user event subscriptions 1 Click the Subsystem icon in Tree View 2 Click the Administrative Tools icon 3 Click the User Management icon 4 Click the Event Subscription tab in Management View 5 Check the box to enable even...

Страница 80: ...icon 4 Click the User Management icon 5 In the list of users click the link of the user whose settings you want to change The Settings screen for the selected user displays 6 Click the Password tab in Management View 7 Enter a new password of 1 to 31 characters no spaces in the New Password field 8 Enter the new password in the Retype Password field 9 Click the Submit button Changing Your Own Pass...

Страница 81: ...n the Email Address field An email address is required in order to receive email event notification 10 Select a privilege level from the Privilege dropdown menu For definitions of each privilege level see the List of User Privileges below 11 Check the Enabled box to enable this user on this subsystem 12 Click the Submit button List of User Privileges View Allows the user to see all status and sett...

Страница 82: ...te 7 Click the Submit button 8 Click OK in the confirmation box Viewing User Sessions To view the current sessions 1 Click the Subsystem icon in Tree View 2 Click the Administrative Tools icon 3 Click the User Management icon 4 Click the Sessions tab in Management View Logging out Other Users To logout other users 1 Log into WebPAM PROe as the Administrator or a Super User 2 Click the Subsystem ic...

Страница 83: ...s icon 3 Click the Network Management icon 4 Click the Port Configuration link in Management View 5 To enable DHCP check the DHCP box When DHCP is NOT enabled enter Primary IP address Primary subnet mask Default gateway IP address Enter a primary DNS server IP address 6 Enter a TCP port number 3260 is the default and recommended for most applications 7 Click the Submit button Making iSCSI Port Set...

Страница 84: ...one of the Port Configuration links 6 To enable DHCP check the DHCP box When DHCP is NOT enabled enter Primary IP address Primary subnet mask Default gateway IP address 7 Enter a TCP port number 3260 is the default and recommended for most applications 8 Click the Submit button ...

Страница 85: ...e Information The iSCSI node is the VessRAID controller The iSCSI Node has four ports See Making Data and Management Connections on page 18 for information about how these ports are physically connected to the Host PC To view information about the iSCSI node 1 Click the Subsystem icon in Tree View 2 Click the Administrative Tools icon 3 Click the iSCSI Management icon Node information appears on t...

Страница 86: ...w Enable Data Digest Enables use of a Data Digest CRC See note below Enable Uni directional CHAP Authentication Enables Challenge Handshake Authentication Protocol Enable Bi directional CHAP Authentication 7 Click the Submit button Viewing iSCSI Target Ports You can see the target port settings but none of these values are user adjustable in the current version of the software To view the iSCSI ta...

Страница 87: ...ree View 2 Click the Administrative Tools icon 3 Click the iSCSI Management icon 4 Click the Portals tab in Management View The Portals tab displays the following information Portal ID 0 to 34 IP Address IP address of the port Associated Type iSCSI IF Name Port number TCP port number 3260 is the default Viewing iSCSI Sessions To view a list of the current iSCSI sessions 1 Click the Subsystem icon ...

Страница 88: ...ted discovery management and configuration of iSCSI devices on a TCP IP network View Settings To view iSNS settings 1 Click the Subsystem icon in Tree View 2 Click the Administrative Tools icon 3 Click the iSCSI Management icon 4 Click the iSNS tab in Management View iSNS information includes iSNS status Enabled or disabled ESI status Enabled or disabled See Note below Get iSNS IP through DHCP Yes...

Страница 89: ...icator which in turn builds that same string on its side calculates the hash and compares the result with the value received from the peer If the values match the peer is authenticated The authenticator then initiates CHAP sessions at random time intervals incrementing the sequence number each new challenge session to protect against replay attacks With Promise subsystems CHAP secrets cannot be as...

Страница 90: ...P type Peer to peer is one way authentication Local is bi directional authentication 9 Click the Submit button Editing CHAPs To edit a CHAP 1 Click the Subsystem icon in Tree View 2 Click the Administrative Tools icon 3 Click the iSCSI Management icon 4 Click the CHAP tab in Management View 5 Click the CHAP name link 6 Make changes as required Highlight the current name press the backspace key to ...

Страница 91: ...ubmit button Using iSCSI Ping You can send a ping through VessRAID s iSCSI data ports to verify a network connection To send a ping 1 Click the Subsystem icon in Tree View 2 Click the Administrative Tools icon 3 Click the iSCSI Management icon 4 Click the Ping tab in Management View 5 Enter the IP address you want to ping in the IP Address field 6 Choose an iSCSI data port from the Ping Through Po...

Страница 92: ...the Administrative Tools icon 3 Click the Storage Services icon 4 Click the Initiators tab in Management View 5 From the Initiators tab dropdown menu choose Add Initiator 6 Enter the initiator s name in the Initiator Name field An iSCSI initiator name is the iSCSI name of the initiator device and is composed of a single text string Obtain the initiator name from the initiator utility on your host ...

Страница 93: ... the LUN Map tab in Management View 5 Click the LUN Masking Enabled box 6 Click the Submit button Adding a LUN Map To edit the LUN Map 1 Click the Subsystem icon in Tree View 2 Click the Administrative Tools icon 3 Click the Storage Services icon 4 Click the LUN Map tab in Management View and from the dropdown menu choose Add a LUN Map 5 Choose an initiator from the Initiator dropdown list Or ente...

Страница 94: ...Map tab in Management View 5 From the LUN Mapping Masking Information list choose an initiator and click its link Or enter the initiator s name in the Initiator Name field Note that the initiator name you input must match exactly in order for the connection to work 6 In the LUN field enter the LUNs for each logical drive You must enter different LUN numbers for each logical drive 7 Click the Submi...

Страница 95: ...ng link in Management View 4 Enter the IP address for your SMTP server 5 Enter server port number for your SMTP server 25 is the default 6 Choose Yes to enable SMTP authentication or No to disable 7 If you chose Yes for SMTP authentication enter a Username and Password in the fields provided 8 Enter an Email sender address example RAIDmaster mycompany com 9 Enter an Email subject example VessRAID ...

Страница 96: ...r restart the Email service click the Start or Restart button Making SLP Settings VessRAID s SLP service discovers services available over the Internet To make SLP service settings 1 Click the Subsystem icon in Tree View 2 Click the Administrative Tools icon 3 Click the Software Management icon 4 Click the SLP link 5 Choose the Startup Type Click the Automatic option to start the service automatic...

Страница 97: ... minutes one day 6 If you want to use a secure connection check the Enable SSL box 7 If you checked the Enable SSL box enter a HTTPS Port number 443 is the default 8 If you want to download a SSL Certificate check the Download Certificate box 9 If you checked the Download Certificate box enter the Certificate filename or click the Browse button to locate it 10 Click the Submit button 11 Click OK i...

Страница 98: ...ment View 4 Enter the Telnet Port number 2300 is the default 5 Enter the Maximum Number of Connections 4 is the default 6 Enter the Session Time Out interval 24 minutes is the default 7 Click the Submit button 8 Click OK in the confirmation box to restart the Telnet service with your changes Changing the Startup Setting 1 Under Startup Type Click the Automatic option to start the service automatic...

Страница 99: ... 5 Enter a System Name There is no default name 6 Enter a System Location USA is the default 7 Enter a System Contact the email address of the administrator or other individual 8 Enter the Read Community Public is the default 9 Enter the Write Community Private is the default To add a Trap Sink see Adding Trap Sinks below 10 Click OK in the confirmation box to restart the SNMP service with your ch...

Страница 100: ...ce does not start during system startup 2 Click the Submit button Stopping SNMP service To stop the SNMP service 1 Click the Stop button 2 Click OK in the confirmation box Starting or Restarting SNMP service To start or restart the SNMP service click the Start or Restart button Making Netsend Settings VessRAID s Netsend service sends VessRAID subsystem events in the form of text messages to your H...

Страница 101: ...e button to remove the recipient from the list 3 Click the Submit button 4 Click OK in the confirmation box Changing the Startup Setting 1 Under Startup Type Click the Automatic option to start the service automatically during system startup Recommended if you plan to use this feature Click the Manual option to start the service manually the service does not start during system startup The default...

Страница 102: ...Product Manual 86 If your Netsend and Messenger service settings are correct but the recipient PC does not receive event messages check the recipient PC s Firewall settings Refer to your OS documentation for more information ...

Страница 103: ...tton The user database file is saved to the Host PC from which you access WebPAM PROe Importing a User Database The Software Management Import tab enables you to import the User Database file from the Host PC s file system to the VessRAID subsystem When you make user settings to one VessRAID you can export the User Database file to the Host PC From there you can import the User Database file to ot...

Страница 104: ...I configuration script to automatically configure your VessRAID subsystem The script must be a plain non encrypted text file The Import function runs the script and performs the configuration automatically To import a Configuration Script to this subsystem 1 Click the Subsystem icon in Tree View 2 Click the Administrative Tools icon 3 Click the Software Management icon 4 Click the Import tab 5 Und...

Страница 105: ...lick the Administrative Tools icon 3 Click the Software Management icon 4 Click the Image Version tab The flash image information displays on the screen Running Image Info The firmware package currently running on the controllers Flashed Image Info The firmware package flashed to memory If the Running and Flashed Images do not match the VessRAID has not restarted since the firmware was last update...

Страница 106: ...ox type the word confirm in the field provided 7 Click the OK button The functions you selected will be automatically restored to their default settings Clearing Statistics The Clear Statistics function clears statistical data on controllers physical drives and logical drives To clear statistical data 1 Click the Subsystem icon in Tree View 2 Click the Administrative Tools icon 3 Click the Clear S...

Страница 107: ...ion box type the word confirm in the field provided 7 Click the OK button When the controller shuts down your WebPAM PROe connection will be lost 8 Wait for no less than two minutes Do one of the following actions If you chose the Shutdown Option manually turn off the power supply switch both switches with redundant power supplies on the back of the subsystem If you chose the Poweroff Option the s...

Страница 108: ...e Shutdown To monitor a shutdown you must use the Command Line Interface CLI though a serial connection to the VessRAID Turn off both power supply switches when the following this message appears Shutdown complete It is now safe to power off the subsystem ...

Страница 109: ... unplug the power cords and plug them back in Try the power switches again 2 Wait about two minutes 3 Open your browser and log into WebPAM PROe See Logging into WebPAM PROe on page 44 If you cannot log in wait 30 seconds and try again Monitoring the Startup To monitor a startup you must use the Command Line Interface CLI though a serial connection to the VessRAID When the Login prompt appears the...

Страница 110: ...g box click the OK button 7 In the confirmation box type the word confirm in the field provided 8 Click the OK button When the controller shuts down your WebPAM PROe connection will be lost 9 Wait for two to three minutes 10 In your browser log into WebPAM PROe once again If you cannot log in wait for 30 seconds and try again Repeat until login is successful Monitoring the Restart To monitor a res...

Страница 111: ...iew 2 Click the Controllers icon The controller information appears under the Information tab in Management View Controller information includes Controller ID 1 Alias if assigned Model if applicable Status OK means normal Viewing Controller Information To view Controller information 1 Click the Subsystem icon in Tree View 2 Click the Controllers icon 3 Click the Controller icon The controller info...

Страница 112: ...ick the Controller icon 4 Click the Information tab in Management View and choose Statistics from dropdown menu Clearing Statistics To clear statistics see Clearing Statistics on page 90 Making Controller Settings To make Controller settings 1 Click the Subsystem icon in Tree View 2 Click the Controllers icon 3 Click the Controller icon 4 Click the Settings tab in Management View 5 Make the follow...

Страница 113: ... determine how much to truncate Results in the maximum amount of usable drive capacity Table Rounding Applies a predefined table to determine how much to truncate Enter a time interval 1 to 12 seconds in the Write Back Cache Flush Interval field For more information see Cache Policy on page 260 Enter a time interval 15 to 255 seconds in the Enclosure Polling Interval field Check the Enable Adaptiv...

Страница 114: ...VessRAID 1000i Series Product Manual 98 The changes take effect immediately ...

Страница 115: ...page 102 Reconditioning a Battery page 103 Silencing the Buzzer page 103 Making Buzzer Settings page 103 Testing the Buzzer page 104 Viewing the Enclosure To view information about the enclosures 1 Click the Subsystem icon in Tree View 2 Click the Enclosures icon The following information is shown Enclosure ID number Enclosure Type Operational Status Status Description specific components in need ...

Страница 116: ... are connected Individual Subsystem One VessRAID subsystem JBOD Expansion One VessRAID subsystem plus one or more VessJBOD expansion subsystems managed through the VessRAID or head unit The logical connections for these arrangements are shown the Enclosure Topology tab The physical connections for these arrangements are discussed in Chapter 2 VessRAID Installation on page 9 Viewing Enclosure Infor...

Страница 117: ...nclosure Settings To make Enclosure settings 1 Click the Subsystem icon in Tree View 2 Click the Enclosures icon 3 Click the Enclosure icon 4 Click the Settings tab in Management View 5 Enter a value in the following fields as necessary Enclosure Warning Temperature Threshold Enclosure Critical Temperature Threshold Controller Warning Temperature Threshold Controller Critical Temperature Threshold...

Страница 118: ...replace the battery See Reconditioning a Battery on page 103 Reconditioning fully discharges then fully recharges the battery During reconditioning if the Adaptive Writeback Cache function is enabled the controller cache is set to Write Thru After reconditioning the cache is reset to Write Back See Making Controller Settings on page 96 If a battery reaches the threshold temperature while charging ...

Страница 119: ...g Controller Settings on page 96 VessRAID automatically reconditions the battery every two months To set the recondition schedule see Scheduling an Activity on page 58 Silencing the Buzzer The buzzer sounds to inform you that the VessRAID needs attention See VessRAID is Beeping on page 277 for more information To silence the buzzer for the current trigger event 1 Click the Subsystem icon in Tree V...

Страница 120: ... Buzzer Enable box if you do not want the buzzer to sound 6 Click the Submit button Testing the Buzzer You must enable the buzzer before you can test it To test buzzer function 1 Click the Subsystem icon in Tree View 2 Click the Enclosures icon 3 Click the Enclosure icon 4 Click the Buzzer tab in Management View 5 Click the Sound button The buzzer will sound for one minute ...

Страница 121: ...a Physical Drive Offline or Online page 108 Locating a Physical Drive page 109 Viewing a List of Physical Drives To view a list of physical drives in this enclosure 1 Click the Subsystem icon in Tree View 2 Click the Enclosures icon 3 Click the Enclosure icon 4 Click the Physical Drives icon The list of physical drives appears in Management View Identifying a Physical Drive To identify physical dr...

Страница 122: ...the DMA Mode dropdown menu choose a DMA mode For SAS drives check the boxes to enable Write Cache Read Look Ahead Cache Command Queuing for disk drives that support Command Queuing Read Cache 7 Click the Submit button The functions you enable here depend on whether the physical drives support those functions See Viewing Physical Drive Information on page 106 to determine which functions a particul...

Страница 123: ...tings on page 106 Viewing Physical Drive Statistics To view physical drive statistics 1 Click the Subsystem icon in Tree View 2 Click the Enclosures icon 3 Click the Enclosure icon 4 Click the Physical Drives icon 5 Click a Physical Drive icon 6 From the dropdown menu on the Information tab choose Statistics Clearing Statistics To clear statistics see Clearing Statistics on page 90 Making Physical...

Страница 124: ...the condition See Physical Drive Problems on page 306 for more information To clear a Stale or PFA status from a physical drive 1 Click the Subsystem icon in Tree View 2 Click the Enclosures icon 3 Click the Enclosure icon 4 Click the Physical Drives icon 5 Click a Physical Drive icon 6 In Management View click the Clear tab 7 In the Confirmation box click OK to confirm Forcing a Physical Drive Of...

Страница 125: ... drive 1 Click the Subsystem icon in Tree View 2 Click the Enclosures icon 3 Click the Enclosure icon 4 Click the Physical Drives icon 5 Click a Physical Drive icon 6 Click the physical drive you want to locate on the WebPAM PROe screen The disk status LED for the physical drive blinks for one minute Caution Forcing a physical drive offline or online is likely to cause data loss Back up your data ...

Страница 126: ...VessRAID 1000i Series Product Manual 110 Figure 8 Disk Status LED Disk Status ...

Страница 127: ...S is connected to a viable external AC power source On Battery means the external AC power source is offline and the UPS is running on battery power Model Name or Number Battery Capacity Backup capacity expressed as a percentage Loading Ratio Actual output of UPS as a percentage of the rated output See the Note below Remaining Backup Time Number of minutes the UPS is expected to power your system ...

Страница 128: ...S Settings changes reports warnings and logs events Disable Monitors UPS only Choose an Action Mode from the dropdown menu ShutDown Shuts down the subsystem when a Threshold value is exceeded None No additional action when Threshold value is exceeded Type values into the Threshold fields See Note 1 Running Time Remaining Threshold Actual time below this value resets adaptive writeback cache to wri...

Страница 129: ...n the event of a power failure Loading Ratio Actual output of UPS as a percentage of the rated output See the Note below Notes 1 Detection Setting must be set to Auto If a UPS is detected the setting changes to Enable 2 The maximum recommended Loading Ratio varies among models of UPS units The general range is 60 to 80 Note The maximum recommended Loading Ratio varies among models of UPS units The...

Страница 130: ...ears in Management View Click the DA link to view a specific disk array See Viewing Disk Array Information on page 119 Creating a Disk Array The CLU provides three methods of creating a disk array Automatic Creates a new disk array following a default set of parameters Makes one logical drive automatically Also makes a hot spare drive for all RAID levels except RAID 0 if at least five unconfigured...

Страница 131: ...These two drive types cannot be mixed in the same disk array To create a Disk Array using the Automatic function To create a disk array automatically 1 Click the Subsystem icon in Tree View 2 Click the Disk Arrays icon 3 Click the Create tab in Management View 4 From the Create tab dropdown menu choose Automatic The following parameters display Disk Arrays The number of physical drives in the disk...

Страница 132: ...k the Subsystem icon in Tree View 2 Click the Disk Arrays icon 3 Click the Create tab in Management View 4 From the Create tab dropdown menu choose Express 5 Check the boxes to choose any one or combination of Redundancy The array will remain available if a physical drive fails Capacity The greatest possible amount of data capacity Performance The highest possible read write speed Mixing SATA SAS ...

Страница 133: ...Disk Array Advanced Creation option enables you to directly specify all parameters for a new disk array One logical drive will be made automatically when you create the disk array If you choose less than the total available capacity you can use the remaining space to create additional logical drives at a later time If you are uncertain about choosing parameters for your disk array use the Express ...

Страница 134: ...u selected 3 RAID 50 and 60 only Choose the number of axles from the dropdown menu 4 Specify a Capacity and the unit of measure MB GB or TB This value will be the data capacity of the logical drive If you specify less than disk array s maximum capacity the remainder is available for additional logical drives 5 Specify a Stripe size from the dropdown menu 64 128 256 512 KB and 1 MB are available 64...

Страница 135: ...e Submit button 6 In the confirmation box type the word confirm in the field provided 7 Click the OK button The selected disk array disappears from the Disk Array List the Information tab Viewing Disk Array Information To view Disk Array information 1 Click the Subsystem icon in Tree View 2 Click the Disk Arrays icon 3 Click the Disk Array icon The disk array information is shown in Management Vie...

Страница 136: ...t tolerance Your data is still available However access will be slower until rebuilding is done Transport Ready The result of a successful Prepare for Transport operation You remove the physical drives of this disk array and move them to another enclosure or to different drive slots in the same enclosure After you relocate the physical drives the disk array status will show OK Adjustable Items Ali...

Страница 137: ...on on axles see RAID 50 Axles on page 253 or RAID 60 Axles on page 255 8 Enter a capacity and choose unit of measure MB GB TB The default value is the available capacity of the disk array You can use this value or any lesser amount 9 From the Stripe dropdown menu choose a Stripe size for this logical drive The choices are 64 KB 128 KB 256 KB 512 KB and 1 MB 64 KB is the default See Choosing Stripe...

Страница 138: ...w logical drive will display Synchronizing for several minutes after creation You can use the logical drive during this period but read write performance could be slower than normal Deleting a Logical Drive To delete a logical drive 1 Click the Subsystem icon in Tree View 2 Click the Disk Arrays icon 3 Click the Disk Array icon 4 Click the Delete LD tab in Management View 5 Check the box to the le...

Страница 139: ... check the Expand Capacity box 9 If you checked the Expand Capacity box enter a number into the Capacity field and choose the appropriate unit of measure MB GB TB 10 Under Capacity Usage highlight the logical drive whose RAID level you want to change or whose capacity you want to expand 11 Click the Update button The logical drive changes to reflect your choices 12 Update other logical drives usin...

Страница 140: ...Background Activity tab choose Start Rebuild 5 Select the Source physical drive This is a remaining functional physical drive in the disk array 6 Select the Target physical drive This is the replacement physical drive The available drives are either HDD or SSD depending on the type of drives in the array 7 Click the Submit button The Disk Array Background Activity tab shows the rebuild progress on...

Страница 141: ...ackground Activities tab in Management View 5 From the dropdown menu the Background Activities tab choose Start PDM 6 In the next screen choose the Source and Target physical drives The suspect physical drive is the source The replacement physical drive is the target The available drives are either HDD or SSD depending on the type of drives in the array 7 Click the Start button Transitioning a Dis...

Страница 142: ...ckground Activity Settings on page 56 Preparing a Disk Array for Transport Transport is the action of moving the physical drives of a disk array To different slots in the same VessRAID enclosure From one VessRAID enclosure to another To prepare a disk array for transport 1 Click the Subsystem icon in Tree View 2 Click the Disk Arrays icon 3 Click the Disk Array icon 4 Click the Transport tab in Ma...

Страница 143: ... icon 3 Click the Disk Array icon 4 Click the Logical Drives icon Logical Drive Status OK The normal state of a logical drive For RAID Levels other than RAID 0 Striping the logical drive has full redundancy Synchronizing When you first create a logical drive the logical drive synchronizes During that time your data is available However access will be slower until synchronizing is done Rebuilding T...

Страница 144: ...ive on page 122 For a Degraded or Offline logical drive see Critical Offline Disk Arrays on page 302 Viewing Logical Drive Information To view information for a single logical drive 1 Click the Subsystem icon in Tree View 2 Click the Disk Arrays icon 3 Click the Disk Array icon 4 Click the Logical Drives icon 5 Click the Logical Drive icon To specify an Alias or set the Read and Write Policies cli...

Страница 145: ...icon 4 Click the Logical Drives icon 5 Click the Logical Drive icon 6 Click the Settings tab in Management View 7 Optional Enter an alias in the Logical Drive Alias field Maximum of 31 characters Use letters numbers space between words and underscore An alias is optional 8 From the Read Policy dropdown menu choose a Read Cache policy The choices are Read Cache Read Ahead and No Cache 9 From the Wr...

Страница 146: ...not choose Quick Initialization enter a hexidecimal value in the Initialization Pattern in Hex field or use the default 00000000 value 8 Click the Submit button 9 In the confirmation box type the word confirm in the field provided 10 Click the OK button To view the progress of the Initialization click the Background Activity tab To set Initialization priority see Making Background Activity Setting...

Страница 147: ...k priority see Making Background Activity Settings on page 56 Viewing the Logical Drive Check Table The Logical Drive Check Table displays errors related to a logical drive Use this information to evaluate the integrity of the logical drive and to determine whether corrective action is needed To View the tables 1 Click the Subsystem icon in Tree View 2 Click the Disk Arrays icon 3 Click the Disk A...

Страница 148: ... must add the initiator to the VessRAID s initiator list See Adding an Initiator on page 76 You must enable LUN Masking in order apply a LUN map See Enabling LUN Masking on page 77 To specify a LUN Map 1 Click the Subsystem icon in Tree View 2 Click the Disk Arrays icon 3 Click the Disk Array icon 4 Click the Logical Drives icon 5 Click the Logical Drive icon 6 Click the LUN Map tab in Management ...

Страница 149: ...es icon The information includes ID The unique ID number assigned to the spare drive Operational Status OK is normal Can also show Rebuilding Transition Running PDM Running or Offline Physical Drive ID The ID number of the physical drive in the subsystem enclosure Capacity The data storage capacity of this spare drive Revertible Yes or No A revertible spare drive automatically returns to its spare...

Страница 150: ... Transition on page 273 for more information 7 To enable Media Patrol on this spare drive check the Enable Media Patrol box 8 Dedicated spares only From the Media Type dropdown menu choose the physical drive type used in the array HDD Hard Disk Drives SSD Solid State Drives The drive type you selected appears in the list of Physical Drives You cannot mix HDDs and SSDs in the same disk array 9 In t...

Страница 151: ...mit button In the confirmation box type the word confirm in the field provided 6 Click the OK button Making Spare Drive Settings The Spare Drive Settings tab enables you to change the settings of an existing spare drive To change spare drive settings 1 Click the Subsystem icon in Tree View 2 Click the Spare Drives icon 3 Click the Spare Drive icon 4 Click the Settings tab in Management View 5 Choo...

Страница 152: ...re Check verifies the operational status of your spare drives You can also schedule a Spare Check See Scheduling an Activity on page 58 To check a spare drive 1 Click the Subsystem icon in Tree View 2 Click the Spare Drives icon 3 Click the Spare Check tab in Management View 4 From the Physical Drive dropdown menu choose the spare drive you want to check Or choose All to check all the spare drives...

Страница 153: ...ary includes the following functions Viewing a List of All Logical Drives page 137 Viewing Individual Logical Drive Information page 137 Viewing a List of All Logical Drives To view a list of all logical drives in all enclosures 1 Click the Subsystem icon in Tree View 2 Click the Drive Summary icon Viewing Individual Logical Drive Information 1 Click the Subsystem icon in Tree View 2 Click the Dri...

Страница 154: ...VessRAID 1000i Series Product Manual 138 ...

Страница 155: ...ing iSCSI Connections page 177 Managing Background Activity page 184 Working with the Event Viewer page 186 Working with LUN Mapping page 188 Managing UPS Units page 190 Managing Users page 193 Working with Software Management page 196 Flashing through TFTP page 202 Viewing Flash Image Information page 202 Clearing Statistics page 202 Restoring Factory Defaults page 203 Shutting Down the Subsystem...

Страница 156: ...LU page 143 Making a Serial Connection Before you begin be sure the RJ11 to DB9 serial data cable is connected between the Host PC and VessRAID and that both machines are booted and running Figure 1 Serial port on the controller Then do the following actions 1 Change your terminal emulation program settings to match the following specifications Bits per second 115200 Data bits 8 Parity None Stop b...

Страница 157: ...Type telnet 192 168 1 56 2300 and press Enter The IP address above is only an example Use your VessRAID s Management port IP address 2300 is the Telnet port for the VessRAID 3 Press Enter once to launch the CLI Logging In 1 At the Login prompt type the user name and press Enter The default user name is administrator 2 At the Password prompt type the password and press Enter The default password is...

Страница 158: ...y Management View disk array information create and delete disk arrays transport rebuild PDM and transition functions and locate a disk array create and delete logical drives Spare Drive Management View a list of spare drives create modify and delete spare drives and run spare check Logical Drive Management View logical drive information name logical drives initialization and redundancy check and ...

Страница 159: ... Exiting the CLU 1 Highlight Return to Previous Menu and press Enter Repeat this action until you arrive at the Main Menu 2 From the Main Menu highlight Return to CLI and press Enter to exit 3 Close the terminal emulation Telnet or terminal window Logging Out of the CLI When you shut down or restart the VessRAID subsystem you are automatically logged out of the CLI To manually log out of the CLI n...

Страница 160: ...VessRAID 1000i Series Product Manual 144 Running Quick Setup Quick Setup is discussed under Setting up with the CLU on page 31 ...

Страница 161: ...a on each disk drive Media Patrol checks all physical drives assigned to disk arrays and spare drives It does not check unconfigured drives To start stop pause or resume Media Patrol 1 From the Main Menu highlight Subsystem Management and press Enter 2 Highlight Media Patrol and press enter 3 Highlight Start Stop Pause or Resume and press Enter 4 If you chose Stop press Y to confirm Locking or Unl...

Страница 162: ...r 3 Highlight Unlock and press Enter Releasing a Lock set by another user To release somebody else s lock 1 From the Main Menu highlight Subsystem Management and press Enter 2 Highlight Lock Management and press Enter 3 Highlight Force Unlock and press the Spacebar to change to Yes 4 Highlight Unlock and press Enter Setting Subsystem Date and Time Use this screen to make Date and Time settings 1 F...

Страница 163: ...rmation and press Enter To access controller statistics highlight Controller Statistics and press Enter Clearing an Orphan Watermark This condition is the result of a disk drive failure during an NVRAM RAID level migration on a disk array To clear an orphan watermark 1 From the Main Menu highlight Subsystem Management and press Enter 2 Highlight Controller Management and press Enter 3 Highlight on...

Страница 164: ...ined table to determine truncation Highlight Cache Flush Interval and press the backspace key to erase the current value Type a new interval value 1 to 12 seconds Highlight SMART and press the spacebar to toggle between Enable and Disable Highlight SMART Poll Interval and press the backspace key to erase the current value Type a new interval value 1 to 1440 minutes Highlight Poll Interval and pres...

Страница 165: ...Chapter 5 Management with the CLU 149 Figure 4 Controller Status LED Controller Status ...

Страница 166: ...rmation status settings and location To access Enclosure Management 1 From the Main Menu highlight Subsystem Management and press Enter 2 Highlight Enclosure Management and press Enter To access FPU VPD information vital product data on field replaceable units highlight FPU VPD Information and press Enter This function lists the battery backup unit and backplane Viewing Power Supply Status To view...

Страница 167: ...old there is a fan malfunction See Replacing a Cooling Fan on page 238 Viewing Voltage Sensor Status To view the status of the voltage sensors 1 From the Main Menu highlight Subsystem Management and press Enter 2 Highlight Enclosure Management and press Enter 3 Highlight Voltage Sensors and press Enter If any voltage is outside the Healthy Threshold values there is a voltage malfunction in the enc...

Страница 168: ...nding controller is not present the battery will not appear in the interface If a battery does not reflect normal conditions and it is not currently under reconditioning run the Recondition function before you replace the battery See Reconditioning a Battery on page 153 Reconditioning fully discharges then fully recharges the battery During reconditioning if the Adaptive Writeback Cache function i...

Страница 169: ...nditioning fully discharges then fully recharges the battery During reconditioning if the Adaptive Writeback Cache function is enabled the controller cache is set to Write Thru After reconditioning the cache is reset to Write Back See Making Controller Settings on page 147 Locating an Enclosure This feature helps you identify the physical VessRAID enclosure you are working with through the CLU 1 F...

Страница 170: ...tem JBOD Expansion One VessRAID subsystem plus one or more VessJBOD expansion subsystems managed through the VessRAID or head unit The physical connections for these arrangements are discussed in Chapter 2 VessRAID Installation on page 9 To view enclosure topology 1 From the Main Menu highlight Subsystem Management and press Enter 2 Highlight Enclosure Topology and press Enter Controller Status Fa...

Страница 171: ...ter 2 Highlight Global Physical Drives Settings and press Enter 3 Change the following settings as required For SATA drives Highlight Write Cache and press the spacebar to toggle between Enabled and Disabled Highlight Read Look Ahead Cache and press the spacebar to toggle between Enabled and Disabled Highlight CmdQueuing and press the spacebar to toggle between Enabled and Disabled Highlight DMA M...

Страница 172: ...l Drive Management and press Enter 2 Highlight the physical drive of your choice and press Enter 3 Highlight Physical Drive Statistics and press Enter Clearing Stale and PFA Conditions The Clear Stale and Clear PFA functions only appear when those conditions exist on the physical drive To clear a Stale or PFA condition on a physical drive 1 From the Main Menu highlight Physical Drive Management an...

Страница 173: ...ess Enter 3 Highlight the physical drive of your choice and press Enter 4 Highlight Force Offline or Force Online and press Enter 5 Press Y to confirm Locating a Physical Drive This feature helps you identify a physical drive within the VessRAID enclosure you are working with through the CLU To locate a physical drive 1 From the Main Menu highlight Physical Drive Management and press Enter 2 Highl...

Страница 174: ... default set of parameters Makes one logical drive automatically Also makes a hot spare drive for all RAID levels except RAID 0 if at least five unconfigured physical drives are available If you have multiple enclosures multiple disk array and logical drive sets are created See Creating a Disk Array Automatic on page 159 Express You choose the parameters for a new disk array by specifying the char...

Страница 175: ...nfiguration and create the disk array and logical drive s highlight Save Configuration and press Enter To reject the proposed configuration highlight Cancel Array Configuration and press Enter You will return to the Disk Arrays Summary screen To create a disk array with different characteristics repeat the steps above specifying different parameters but choose the Express or Advanced option If you...

Страница 176: ...h the applications and choose the best one for your disk array File Server Video Stream Transaction Data Transaction Log Other 8 Press Ctrl A to save your settings and move to the next screen 9 Review the proposed configuration of disk array and logical drive s To accept the proposed configuration and create the disk array and logical drive s highlight Save Configuration and press Enter To reject ...

Страница 177: ... same disk array 8 Highlight Save Settings and Continue and press Enter 9 If you want to specify an alias to the logical drive highlight Alias and type a name Maximum of 31 characters Use letters numbers space between words and underscore 10 Highlight RAID Level and press the spacebar to toggle though a list of available RAID levels 11 If you want to create multiple logical drives highlight Capaci...

Страница 178: ...From the Main Menu highlight Disk Array Management and press Enter 2 Highlight the disk array you want to delete and press the spacebar to mark it The mark is an asterisk to the left of the listing 3 Highlight Delete Marked Arrays and press Enter 4 Press Y to confirm the deletion Viewing Disk Array Information 1 From the Main Menu highlight Disk Array Management and press Enter 2 Highlight the dis...

Страница 179: ...on You remove the physical drives of this disk array and move them to another enclosure or to different drive slots in the same enclosure After you relocate the physical drives the disk array status will show OK Setting an Alias for a Disk Array This function sets an alias for the disk array To set an alias 1 From the Main Menu highlight Disk Array Management and press Enter 2 Highlight the disk a...

Страница 180: ...want and press Enter 3 Highlight PDM and press the spacebar to toggle between Enable and Disable 4 Press Ctrl A to save your settings See Running PDM on page 166 Preparing the Disk Array for Transport To run the Transport function on a disk array 1 From the Main Menu highlight Disk Array Management and press Enter 2 Highlight the disk array you want and press Enter 3 Highlight Transport and press ...

Страница 181: ...ght Save Settings and Continue and press Enter 7 To change RAID level Highlight the logical drive in the list and press Enter 8 Highlight RAID Level and press the spacebar to toggle through the available RAID levels 9 Optional If you want to increase capacity highlight Expand Capacity and press the spacebar to toggle to Yes 10 Optional If you want to increase capacity highlight Capacity press the ...

Страница 182: ...e drive that is currently part of a disk array with an unconfigured physical drive or a non revertible spare drive For more information see Transition on page 273 In order to run Transition The spare drive must be Revertible You must have an unconfigured physical drive of the same or larger capacity and the same type HDD or SSD to replace the spare drive To run Transition on a disk array 1 From th...

Страница 183: ...e Chapter 8 Technology Background on page 245 To create a logical drive from an existing disk array 1 From the Main Menu highlight Disk Array Management and press Enter 2 Highlight the disk array in which you want to create a logical drive and press Enter 3 Highlight Create New Logical Drive and press Enter The Disk Array ID number and Maximum capacity available for the new logical drive are displ...

Страница 184: ...rl A to save your settings Deleting a Logical Drive To delete a logical drive from a disk array 1 From the Main Menu highlight Disk Array Management and press Enter 2 Highlight the disk array that contains the logical drive you want to delete and press Enter 3 Highlight the logical drive you want to delete and press the spacebar to mark it The mark is an asterisk to the left of the listing 4 Highl...

Страница 185: ...ore information Type Global all disk arrays or Dedicated to specified disk arrays Dedicated to Array The array to which a dedicated spare is assigned Creating a Spare Drive Only unconfigured physical drives can be used to make spares Check your available drives under Physical Drive Management See Managing Physical Drives on page 155 1 From the Main Menu highlight Spare Drive Management and press E...

Страница 186: ...t and press Enter A list of the current spare drives appears including the following parameters 2 Highlight the spare drive you want to change and press Enter 3 Highlight the setting you want to change Revertible A revertible drive can be returned to spare status after you replace the failed drive in a disk array See Transition on page 273 for more information Type Dedicated means this spare drive...

Страница 187: ...are drives appears 2 Highlight the spare drive you want to delete and press the spacebar to mark it The mark is an asterisk to the left of the listing 3 Highlight Delete Marked Spare Drives and press Enter 4 Press Y to confirm the deletion Caution If the spare drive you delete is the only spare the controller will not rebuild a critical array until you provide a new spare drive ...

Страница 188: ...ghlight the logical drive you want and press Enter The information and settings screen appears 3 Highlight any of the following and press Enter to view more information Check Table Read Check Write Check and Inconsistency Check Tables Logical Drive Statistics Setting an Alias for a Logical Drive To set an alias for a logical drive 1 From the Main Menu highlight Logical Drive Management and press E...

Страница 189: ...ter 2 Highlight the logical drive you want and press Enter 3 Highlight Background Activity and press Enter 4 Highlight Start Initialization and press Enter The initialization parameters appear Initialization pattern The default 00000000 is best for most applications Quick Initialization Yes means only the first and last sections of the logical drives are initialized No means the entire logical dri...

Страница 190: ... Redundancy Check when an error is found To change a parameter highlight it and press the backspace toggle between Yes and No 5 Highlight Start and press Enter If necessary you can pause and resume or stop and restart the Redundancy Check You can use the logical drive while Redundancy Check is running Locating a Logical Drive This feature helps you identify the physical drives assigned to the logi...

Страница 191: ...d press Enter 4 Highlight DHCP and press the spacebar to toggle to Enable 5 Highlight TCP Port Number to change the entry 3260 is the default and recommended for most applications 6 Press Ctrl A to save your settings Making Manual Settings 1 From the Main Menu highlight Network Management and press Enter 2 Highlight the management port and press Enter 3 Highlight NetMgmt Ethernet Port Settings and...

Страница 192: ...toggle to Enable 5 Highlight TCP Port Number to change the entry 3260 is the default and recommended for most applications 6 Press Ctrl A to save your settings Making Manual Settings 1 From the Main Menu highlight Network Management and press Enter 2 Highlight the management port and press Enter 3 Highlight NetMgmt Ethernet Port Settings and press Enter 4 Highlight DHCP and press the spacebar to t...

Страница 193: ... document For more information contact the Internet Engineering Task Force at http www ietf org Viewing iSCSI Node Information There are four iSCSI data ports on the controller To view information about the iSCSI ports 1 From the Main Menu highlight iSCSI Management and press Enter 2 Highlight iSCSI Node and press Enter The node information appears on the screen Making iSCSI Node Settings The iSCS...

Страница 194: ...gest CRC See note below Data Digest Enables use of a Data Digest CRC See note below Uni directional CHAP Authentication Enables Challenge Handshake Authentication Protocol Bi directional CHAP Authentication 6 Press Ctrl A to save your settings Viewing iSCSI Target Ports You can see the target port settings but none of these values are user adjustable in the current version of the software To view ...

Страница 195: ...rt settings 1 From the Main Menu highlight iSCSI Management and press Enter 2 Highlight iSCSI Ports and press Enter 3 Highlight Target Port 1 Target Port 2 Target Port 3 or Target Port 4 and press Enter 4 Highlight MAC Layer Statistics IP Layer Statistics or TCP Layer Statistics and press Enter The screen displays statistics for the layer you chose Viewing the iSCSI Portal An iSCSI Portal is an iS...

Страница 196: ...ports Internet Storage Name Service iSNS is a protocol used to facilitate the automated discovery management and configuration of iSCSI devices on a TCP IP network View Settings To view iSNS settings 1 From the Main Menu highlight iSCSI Management and press Enter 2 Highlight iSCSI iSNS Options and press Enter The screen displays the following information iSNS status Enabled or disabled ESI status ...

Страница 197: ...way hash algorithm such as MD5 The peer sends the hash value back to the authenticator which in turn builds that same string on its side calculates the hash and compares the result with the value received from the peer If the values match the peer is authenticated The authenticator then initiates CHAP sessions at random time intervals incrementing the sequence number each new challenge session to ...

Страница 198: ...l is bi directional authentication 6 Highlight Secret and type a word of 12 to 16 characters 7 Highlight Retype Secret and type the same word again 8 Press Ctrl A to save your settings Editing CHAPs To Edit a CHAP 1 From the Main Menu highlight iSCSI Management and press Enter 2 Highlight iSCSI CHAPs and press Enter 3 Highlight the CHAP in the list and press Enter 4 Do one or both of the following...

Страница 199: ...u can send a ping through VessRAID s iSCSI data ports to verify a network connection To send a ping 1 From the Main Menu highlight iSCSI Management and press Enter 2 Highlight Ping and press Enter 3 Highlight IP Address and type the IP address you want to ping 4 Highlight Ping Through and press the spacebar to toggle though port numbers to choose an iSCSI data port 5 Highlight Ping and press Enter...

Страница 200: ...e Main Menu highlight Background Activity and press Enter A count of current background activities appears including Rebuild PDM Predictive Data Migration Synchronization Redundancy Check Migration Transition Initialization Media Patrol Making Background Activity Settings 1 From the Main Menu highlight Background Activity and press Enter 2 Highlight Background Activity Settings and press Enter 3 H...

Страница 201: ...tegrity on disk arrays Initialization Sets all data bits in the logical drive to zero Redundancy Check Checks reports and can correct data inconsistencies in logical drives The rates are defined as follows Low Fewer resources to activity more to data read write Medium Balance of resources to activity and data read write High More resources to activity fewer to data read write 5 Highlight the follo...

Страница 202: ...y Runtime Events 1 From the Main Menu highlight Event Viewer and press Enter The log of Runtime Events appears Events are added to the top of the list Each item includes Sequence number Begins with 0 at system startup Device Disk Array Logical Drive Physical Drive by its ID number Severity lowest to highest Information Warning Minor Major Critical and Fatal Timestamp Date and time the event happen...

Страница 203: ...Array Logical Drive Physical Drive by its ID number Severity lowest to highest Information Warning Minor Major Critical and Fatal Timestamp Date and time the event happened Description A description of the event in plain language 3 Press the up and down arrow keys to scroll through the log Clearing NVRAM Events To clear the Runtime Event log 1 From the Main Menu highlight Event Viewer and press En...

Страница 204: ...ter A list of the current initiators appears Enabling LUN Mapping To enable LUN mapping 1 From the Main Menu highlight Additional Info and Management and press Enter 2 Highlight LUN Mapping and press Enter A list of the current iSCSI initiators appears LUN Mapping must be enabled in order for VessRAID to recognize the initiator If LUN Mapping is currently disabled highlight Enable LUN Mapping and ...

Страница 205: ...ement and press Enter 2 Highlight LUN Mapping and press Enter 3 Highlight an existing Initiator and press Enter A list of logical drives displays 4 In the LUN field press the backspace key to erase the current value then type the LUN you want to assign to this initiator from 0 to 255 If you make a error press Ctrl R to restore the current LUN 5 Press Ctrl A to save the LUN map Deleting an Initiato...

Страница 206: ...AC means the UPS is connected to a viable external AC power source On Battery means the external AC power source is offline and the UPS is running on battery power Model Name or Number Capacity Backup capacity expressed as a percentage Loading Actual output of UPS as a percentage of the rated output See the Note below Remaining Minutes Number of minutes the UPS is expected to power your system in ...

Страница 207: ...nges to Enable Enable Monitors UPS Settings changes reports warnings and logs events Disable Monitors UPS only Choose an Action Mode from the dropdown menu Shutdown Shuts down the subsystem when a Threshold value is exceeded None No additional action when Threshold value is exceeded Type values into the Threshold fields See Note 1 Running Time Remaining Threshold Actual time below this value reset...

Страница 208: ...ed to power your system in the event of a power failure Loading Ratio Actual output of UPS as a percentage of the rated output See the Note below Notes 1 Detection Setting must be set to Auto If a UPS is detected the setting changes to Enable 2 The maximum recommended Loading Ratio varies among models of UPS units The general range is 60 to 80 Note The maximum recommended Loading Ratio varies amon...

Страница 209: ...st of the current users appears Creating a User To create a new user account 1 From the Main Menu highlight Additional Info and Management and press Enter 2 Highlight User Management and press Enter 3 Highlight Create New User and press Enter 4 Highlight each field and type in the appropriate information User name no spaces Password Optional Maximum 31 characters Use letters numbers and underscore...

Страница 210: ...er can change other user s passwords To change a user s password 1 From the Main Menu highlight Additional Info and Management and press Enter 2 Highlight User Management and press Enter 3 Highlight a User in the list and press Enter 4 Highlight Change Password and press Enter 5 Highlight New Password and type a password Maximum 31 characters Use letters numbers and underscore 6 Highlight Retype P...

Страница 211: ...e options For definitions of each privilege level see List of User Privileges on page 194 7 Highlight Status and press the space bar to toggle between the options Enabled Allows the user to log in to the system Disabled Prevents the user from logging in to the system 8 Press Ctrl A to save the settings Deleting a User To delete a user 1 Log in under a user name other than the one you want to delet...

Страница 212: ...hlight Software Management and press Enter 3 Highlight Email and press Enter 4 Highlight Startup Type and press the spacebar to toggle between Automatic and Manual 5 Highlight the following and press the backspace key to erase the current value then type the new value Server IP address Server Port number 25 is the default 6 Highlight Authentication and press the spacebar to toggle between Yes and ...

Страница 213: ...us is Started To make Web Server service settings 1 From the Main Menu highlight Additional Info and Management and press Enter 2 Highlight Software Management and press Enter 3 Highlight Web Server and press Enter 4 Highlight Startup Type and press the spacebar to toggle between Automatic and Manual 5 Highlight the following and press the backspace key to erase the current value then type the new...

Страница 214: ... start stop or restart the Telnet service highlight Start Stop or Restart and press Enter Making SNMP Settings By default SNMP Simple Network Management Protocol service is set to Automatic and its normal status is Started To make SNMP service settings 1 From the Main Menu highlight Additional Info and Management and press Enter 2 Highlight Software Management and press Enter 3 Highlight SNMP and ...

Страница 215: ...r 2 Highlight Software Management and press Enter 3 Highlight Create New Trap Sink and press Enter 4 Highlight Trap Sink IP address and press the backspace key to erase the current value then type the new IP address in this field 5 Highlight Trap Filter and press the spacebar to toggle through the severity levels The Severity Levels are lowest to highest Information Warning Minor Major Critical an...

Страница 216: ...the recipient PC in order to receive reports Adding a recipient To add a recipient 1 From the Main Menu highlight Additional Info and Management and press Enter 2 Highlight Software Management and press Enter 1 Highlight Netsend and press Enter 2 Highlight Message Recipient and press Enter 3 Highlight Create New Message Recipient and press Enter 4 Type the recipient s IP address into the field pro...

Страница 217: ...ment and press Enter 2 Highlight Software Management and press Enter 3 Highlight the recipient you want to delete and press the spacebar to mark it The mark is an asterisk to the left of the listing 4 Highlight Delete Marked Entries and press Enter Netsend Requirements In order to use Netsend NetSend must be running the VessRAID You must provide the IP address for each recipient PC The Messenger s...

Страница 218: ...nfo The firmware package currently running on the controllers Flashed Image Info The firmware package flashed to memory If the Running and Flashed Images do not match the VessRAID has not restarted since the firmware was last updated Restart the VessRAID to run the Flashed firmware package See Restarting the Subsystem on page 207 Note that all of these components are upgraded together in a package...

Страница 219: ... and Management and press Enter 2 Highlight Restore Factory Defaults and press Enter 3 Highlight the setting group you want and press the spacebar to toggle between Yes and No Yes means this setting will be restored to the default value 4 Highlight Restore Factory Defaults and press Enter 5 Press Y to confirm the reset Caution Use this function with care Do not restore to default settings for any ...

Страница 220: ...ighlight Option and press the spacebar to display Shutdown Highlight Option and press the spacebar to display Poweroff 4 Highlight Submit and press Enter A warning message appears 5 Press Y to continue The screen goes blank 6 Wait for no less than two minutes 7 Do one of the following actions If you chose the Shutdown Option manually turn off the power supply switch both switches with redundant po...

Страница 221: ...he spacebar to display Poweroff 4 Highlight Submit and press Enter A warning message appears 5 Press Y to continue 6 When you see the following message Shutdown complete It is now safe to power off the subsystem Do one of the following actions If you chose the Shutdown Option manually turn off the power supply switch both switches with redundant power supplies on the back of the subsystem If you c...

Страница 222: ...ection to the VessRAID See Making a Telnet Connection on page 141 If you cannot log in wait 30 seconds and try again 4 Type menu and press Enter to open the CLU Starting up the VessRAID Serial Connection To start the RAID subsystem 1 Manually turn on the power supply switches on the back of the subsystem If the switches are ON but the subsystem is OFF turn the switches off and on again On subsyste...

Страница 223: ...ss the spacebar to display Restart 4 Highlight Submit and press Enter A warning message appears 5 Press Y to continue The screen goes blank 6 Wait for no less than two minutes 7 Re establish your Telnet connection to the VessRAID CLU If you cannot re establish a connection wait 30 seconds then try again Restarting VessRAID Serial Connection This function enables you to restart the VessRAID subsyst...

Страница 224: ...eries Product Manual 208 4 Highlight Submit and press Enter A warning message appears 5 Press Y to continue The screen will display shutdown and startup functions 6 When the Login prompt appears log into the CLU again ...

Страница 225: ...e buzzer settings 1 From the Main Menu highlight Buzzer and press Enter A list of Controllers appears with the current buzzer setting and status 2 Highlight the Controller whose buzzer you want to set and press Enter 3 Highlight Enabled and press the spacebar to toggle between Yes and No 4 Press Ctrl A to save your settings The buzzer provides the audible alarm See VessRAID is Beeping on page 277 ...

Страница 226: ...VessRAID 1000i Series Product Manual 210 ...

Страница 227: ...anel The LCD panel is optional and typically installed during VessRAID installation See page 11 The LCD panel activates approximately 35 seconds after you switch on the VessRAID s power supply At first the LCD screen displays System is Initializing When the VessRAID is fully booted and running under normal conditions the LCD screen displays the VessRAID model number and IP address as shown in Figu...

Страница 228: ...the alternative mode setting on the bottom 5 Press the button choose the alternative mode setting The alternative LCD mode is set Simple Mode Simple Mode enables you to perform the following enclosure and RAID management functions View Events View critical events if any have been set View Controller View IP address MAC address LCD UI version Vendor name WWN memory size and firmware version Spare D...

Страница 229: ...g a Stale or PFA condition from a physical drive Creating a revertible spare drive or a dedicated spare drive Running background activity such as Media Patrol PDM Rebuild or RAID level migration Viewing event logs Shutting down or restarting the VessRAID Refer to Chapter 4 Management with WebPAM PROe on page 43 and Chapter 5 Management with the CLU on page 139 when you need to perform these functi...

Страница 230: ...e left digit 5 Press the button to increment and the button decrement Press the button to move left and the button move right To set an IP address with double or single digit octets for example 192 168 1 50 type zeros as placeholders 192 168 001 050 After you have set the last extreme right digit press the button The current Subnet Mask displays with the cursor under the first extreme left digit 6...

Страница 231: ...Management Port 2 Press the button and the display says Link Status Up If it says Link Status Down reconnect to the network before preceding 3 Press the or button and the display says DHCP Disable 4 Press the button to make a change 5 Press the button to Enable 6 Press the button to confirm The display shows the new IP address set by the DHCP server ...

Страница 232: ...Information To view information about the controller 1 Press the or button until the display says View Controller 2 Press the button and the display says Vendor 3 Press the or button to scroll through the list of items Vendor Name WWN World Wide Name Memory Size Firmware Version IP Address MAC Address LCD UI Version To change memory size or update the firmware see Chapter 7 Maintenance on page 231...

Страница 233: ...m list It includes Temperature status Fan status Power Supply status Voltage status 4 Press the or button to scroll through the list of items 5 Press the button to display the reported value for the item Then press the button to return to the item list Making Buzzer Settings The buzzer sounds to inform you that the VessRAID needs attention See VessRAID is Beeping on page 277 for more information T...

Страница 234: ...ber 3 Press the or button to scroll through the list of physical drives 4 Press the button choose a physical drive 5 Press the or button to scroll through the list of items Model Interface SAS or SATA Capacity Location Enclosure number and slot number Configuration Array number and sequence number or Spare Firmware version Status Locating a Physical Drive This function requires the LCD to be in Ad...

Страница 235: ... For other disk array functions see Managing Disk Arrays on page 114 WebPAM PROe or page 158 CLU For other logical drive functions see Managing Logical Drives on page 127 WebPAM PROe or page 172 CLU Creating a Disk Array Automatic The Disk Array Automatic Creation option enables you to create a new disk array following a default set of parameters One logical drive will be made automatically when y...

Страница 236: ...ress the button again to choose this logical drive 4 From the default screen press the or buttons to scroll through the information for the logical drive Creating a Disk Array Advanced Creating a Disk Array For more information on the choices below see Chapter 8 Technology Background on page 245 To create a disk array 1 Press the or button until the display says Array Configure 2 Press the button ...

Страница 237: ...splay shows the maximum available capacity 6 Press the or button until the display shows the capacity you want 7 Press the button to choose the capacity shown on the screen The display shows the default stripe size The choices are 64 KB 128 KB 256 KB 512 KB and 1 MB 8 Press the or button until the display shows the stripe size you want 9 Press the button to choose the stripe size shown on the scre...

Страница 238: ...must be the same type of drive HDD or SSD as the drives in your disk array 4 Press the button again to confirm The display shows the spare drive creation process When the creation is finished the LCD returns to Spare Drive Create Deleting a Disk Array To delete a disk array 1 Press the or button until the display says Array Configure 2 Press the button and the display says Auto Configure 3 Press t...

Страница 239: ...al state of a disk array For RAID Levels other than RAID 0 Striping the disk array has full redundancy Synchronizing When you first create a disk array the disk array synchronizes During that time your data is available However access will be slower until synchronizing is done Critical Degraded This condition results from a physical drive failure Your data is still available However the disk array...

Страница 240: ...an create logical drives on existing disk arrays if there is available space in the array For more information on the choices below see Chapter 8 Technology Background on page 245 To create a logical drive from an existing disk array 1 To Press the or button until the display says Array Configure 2 Press the button and the display says Auto Configure 3 Press the or button until the display says Ad...

Страница 241: ...en The display shows the default write policy The choices are WriteBack and WriteThru write though 16 Press the or button until the display shows the write policy you want 17 Press the button to choose the write policy shown on the screen 18 Press the button again to confirm The display shows the logical drive creation process When the creation is finished the LCD returns to Logical Disk Create De...

Страница 242: ...Press the or button to scroll through the list of items Logical Drive ID Number Capacity RAID Level Write Cache Stripe Size Sector Size Disk Array ID Number Status Logical Drive Status OK The normal state of a logical drive For RAID Levels other than RAID 0 Striping the logical drive has full redundancy Synchronizing When you first create a logical drive the logical drive synchronizes During that ...

Страница 243: ...on page 126 WebPAM PROe or page 164 CLU Locating a a Logical Drive This function requires the LCD to be in Advanced mode See page 212 This feature helps you identify the physical drives assigned to the logical drive To locate a logical drive 1 Press the or button until the display says Logical Disk Management 2 Press the button to display a list of logical drives by ID number 3 Press the or button...

Страница 244: ...on choose a spare drive 5 Press the or button to scroll through the list of items Spare Drive ID Number Physical Drive ID Number Capacity Revertible See Transition on page 273 for more information Type Global all disk arrays or Dedicated to specified disk arrays Status Press the button to view physical drive information from this point Spare Drive Status OK The normal state of a spare drive Offlin...

Страница 245: ...utton until the display says Advanced Configure 4 Press the or button until the display says Spare Drive Delete 5 Press the button again to display a list of spare drives 6 Press the or button to choose the spare drive to delete 7 Press the button and the display says Are you sure NO 8 Press the button to change the answer to YES then press the button 9 Press the button again to confirm The chosen...

Страница 246: ...30 4 Press the button choose a spare drive 5 Press the or button until the display says Locate Spare Drive 6 Press the button The disk status LED for the physical drive blinks for one minute See Figure 5 Figure 5 Disk Status LED Disk Status ...

Страница 247: ... one of these sources TFTP Server page 231 The Host PC or Server page 232 Restarting the Subsystem page 233 Downloading the Firmware Image File Go to the Promise website at http www promise com support support_eng asp and download the latest firmware image img file to your TFTP server or your PC The firmware update image file includes all of the files for the VessRAID including Updating Firmware f...

Страница 248: ...opup message click the OK button The update progress displays Then a popup message appears to tell you to reboot the VessRAID 12 In the popup message click the OK button 13 Restart the VessRAID See Restarting the Subsystem on page 233 Updating Firmware from your PC To update the firmware from your PC 1 Click the Subsystem icon in Tree View 2 Click the Administrative Tools icon 3 Click the Software...

Страница 249: ...em on page 233 Restarting the Subsystem To restart the VessRAID subsystem 1 Click the Subsystem icon in Tree View 2 Click the Administrative Tools icon 3 Click the Shutdown link in Management View A Shutdown or Restart tab will appear 4 On the Shutdown or Restart tab choose Restart from the dropdown menu 5 Click the Submit button 6 In the warning box click the OK button 7 In the confirmation box t...

Страница 250: ...pport support_eng asp and download the latest firmware image file to your TFTP server Updating the Firmware To update the firmware file in the CLU 1 From the Main Menu highlight Additional Info and Management and press Enter 2 Highlight Flash through TFTP and press Enter 3 Highlight TFTP Server and type the IP address of your TFTP server in the field provided 4 Highlight Port Number and press the ...

Страница 251: ...ds then try again Restarting Subsystem over a Serial Connection To restart the VessRAID subsystem on a serial connection 1 From the Main Menu highlight Additional Info and Management and press Enter 2 Highlight Shutdown or Restart and press Enter 3 Press the spacebar to display Restart then press Enter A warning message appears 4 Press Y to continue The screen will display shutdown and startup fun...

Страница 252: ... from the rack Removing the old power supply To remove the power supply 1 Verify that the power supply LED is amber or red 2 Switch off the power to the power supply you plan to replace 3 Unplug the power cord 4 Loosen and remove the retaining screw on the left side of the power supply 5 Pull the power supply out of the VessRAID enclosure Installing the new power supply To install the power supply...

Страница 253: ...en the thumbscrew swing the latch to the right and pull the RAID Controller out of the enclosure 3 Disconnect the iSCSI Ethernet serial and power cables 4 On the RAID Controller loosen the thumbscrew swing the latch to the right and pull the RAID Controller out of the enclosure See Figure 1 Figure 1 Removing the RAID Controller Installing the new controller 1 Verify that the new RAID Controller ha...

Страница 254: ...on page 24 This completes the RAID Controller replacement procedure Replacing a Cooling Fan To replace a fan 1 Verify that the Fan LED on the cooling unit is amber or red See Figure 2 Figure 2 Fan LEDs 2 Shut down the VessRAID and remove the RAID Controller See Replacing a RAID Controller on page 237 3 Lay the RAID Controller on a non static surface and remove the cover attaching screws one on eac...

Страница 255: ...r connector and lift the old fan out of the controller Figure 4 RAID Controller cooling fan 6 Place a new fan in the controller attach the power connector and install the four attaching screws 7 Attach the RAID Controller cover and install the two attaching screws See Figure 3 Attaching screw one each side Cover Attaching screws 4 Power connectors ...

Страница 256: ...utting Down the Subsystem on page 91 or page 204 3 Shut down the VessRAID and remove the RAID Controller See Replacing a RAID Controller on page 237 Cautions Try reconditioning the battery before you replace it See page 103 or page 153 for more information If power service has failed do not remove the RAID Controller if the Dirty Cache LED is lighted See Figure 5 Wait until power service is restor...

Страница 257: ...aching screw on the outside of the RAID controller housing 6 Detach the battery connector and remove the battery assembly Figure 6 RAID Controller cache battery 7 Attach the connector of the new battery assembly Be careful to line up the connector pins correctly See Figure 7 Figure 7 Battery connector pins Slot Attaching screw on controller housing Connector Battery assembly Battery Row A Row B Ro...

Страница 258: ...eplace the memory module as a capacity upgrade as well as a repair To replace the memory module 1 Shut down the VessRAID and remove the RAID Controller See Replacing a RAID Controller on page 237 Figure 8 Removing the RAID Controller 2 Lay the RAID Controller on a non static surface and remove the cover attaching screws one on each side then remove the cover See page 239 Figure 3 3 Gently press th...

Страница 259: ...memory module into the slot until the retainers click into locked position 6 Attach the RAID Controller cover and install the two attaching screws See page 239 Figure 3 7 Reinstall the RAID Controller See Replacing a RAID Controller on page 237 This completes the memory module replacement procedure Memory module Retainer Retainer Memory slot Alignment groove ...

Страница 260: ...VessRAID 1000i Series Product Manual 244 ...

Страница 261: ...gether in a disk array Then all or a portion of the disk array is formed into a logical drive The operating system sees the logical drive as a single storage device and treats it as such The RAID software and controller manage all of the individual drives The benefits of a RAID can include Higher data transfer rates for increased server performance Increased overall storage capacity for a single d...

Страница 262: ...mance as well as data storage efficiency Figure 1 RAID 0 Striping interleaves data across multiple drives The disk array s data capacity is equal to the number of disk drive members multiplied by the smallest drive s capacity For example one 100 GB and three 120 GB drives will form a 400 GB 4 x 100 GB disk array instead of 460 GB If physical drives of different capacities are used there will also ...

Страница 263: ...cal drive is present the spare drive will be used as the replacement drive and data will begin to be mirrored to it from the remaining good drive Figure 2 RAID 1 Mirrors identical data to two drives The logical drive s data capacity equals the smaller physical drive For example a 100 GB physical drive and a 120 GB physical drive have a combined capacity of 100 GB in a mirrored logical drive If phy...

Страница 264: ... function providing fault tolerance Figure 3 RAID 1E can mirror data over an odd number of drives The advantage of RAID 1E is the ability to use an odd number of physical drives unlike RAID 1 and RAID 10 You can also create a RAID 1E Logical Drive with an even number of physical drives However with an even number of drives you will obtain somewhat greater security with comparable performance using...

Страница 265: ... and web servers Figure 4 RAID 5 stripes all drives with data and parity information The capacity of a RAID 5 logical drive equals the smallest physical drive times the number of physical drives minus one Hence a RAID 5 logical drive with four 100 GB physical drives will have a capacity of 300 GB A RAID 5 logical drive with two 120 GB physical drives and one 100 GB physical drive will have a capac...

Страница 266: ... drive with 7 100 GB physical drives will have a capacity of 500 GB A RAID 6 logical drive with 4 100 GB physical drives will have a capacity of 200 GB RAID 6 becomes more capacity efficient in terms of physical drives as the number of physical drives increases RAID 6 provides double fault tolerance Your logical drive remains available when up to two physical drives fail RAID 6 is generally consid...

Страница 267: ...second pair of disk drives Some applications refer to this method as RAID 0 1 Figure 6 Promise RAID 10 starts with a data stripe then mirrors it The data capacity RAID 10 logical drive equals the capacity of the smallest physical drive times the number of physical drives divided by two In some cases RAID 10 offers double fault tolerance depending on which physical drives fail RAID 10 arrays requir...

Страница 268: ...e data capacity RAID 50 logical drive equals the capacity of the smallest physical drive times the number of physical drives minus two RAID 50 also provides very high reliability because data is still available even if multiple physical drives fail one in each axle The greater the number of axles the greater the number of physical drives that can fail without the RAID 50 logical drive going offlin...

Страница 269: ...he logical drive The chart below shows RAID 50 logical drives with 6 to 16 physical drives the available number of axles and the resulting distribution of physical drives on each axle RAID 50 Logical Drive No of Drives No of Axles Drives per Axle No of Drives No of Axles Drives per Axle 6 2 3 3 14 2 7 7 7 2 3 4 3 4 5 5 8 2 4 4 4 3 3 4 4 9 2 4 5 15 2 7 8 3 3 3 3 3 5 5 5 10 2 5 5 4 3 4 4 4 3 3 3 4 5...

Страница 270: ...istributed Parity disk arrays The total capacity of a RAID 60 logical drive is the smallest physical drive times the number of physical drives minus four RAID 60 also provides very high reliability because data is still available even if multiple physical drives fail two in each axle The greater the number of axles the greater the number of physical drives that can fail without the RAID 60 logical...

Страница 271: ...l drive The chart below shows RAID 60 logical drives with 8 to 20 physical drives the available number of axles and the resulting distribution of physical drives on each axle RAID 60 Logical Drive No of Drives No of Axles Drives per Axle No of Drives No of Axles Drives per Axle 8 2 4 4 17 2 8 9 9 2 4 5 3 5 6 6 10 2 5 5 4 4 4 4 5 11 2 5 6 18 2 9 9 12 2 6 6 3 6 6 6 3 4 4 4 4 4 4 5 5 13 2 6 7 19 2 9 ...

Страница 272: ...vantages Disadvantages Implements a striped disk array the data is broken down into blocks and each block is written to a separate disk drive I O performance is greatly improved by spreading the I O load across many channels and drives No parity calculation overhead is involved Not a true RAID because it is not fault tolerant The failure of just one drive will result in all data in an disk array b...

Страница 273: ...thanks to multiple stripe segments Can use an odd number of disks Very high disk overhead uses only 50 of total capacity Advantages Disadvantages High Read data transaction rate Medium Write data transaction rate Good aggregate transfer rate Disk failure has a medium impact on throughput File and Application servers WWW E mail and News servers Intranet servers Most versatile RAID level Advantages ...

Страница 274: ... Disadvantages Implemented as a mirrored disk array whose segments are RAID 0 disk arrays High I O rates are achieved thanks to multiple stripe segments Very high disk overhead uses only 50 of total capacity Advantages Disadvantages High Read data transaction rate Medium Write data transaction rate Good aggregate transfer rate High reliability Supports large volume sizes Higher disk overhead than ...

Страница 275: ...ose that size as your Stripe Size If you do not know the cache buffer or fixed data block sizes Promise suggests you choose 64 KB as your Stripe Size Generally speaking email POS and Web Servers prefer smaller stripe sizes Video and database applications prefer larger stripe sizes Choosing Sector Size A sector is the smallest addressable area on a physical disk drive Sector Size refers to the size...

Страница 276: ...one with a larger sector size Cache Policy As it is used with VessRAID the term cache refers to any of several kinds of high speed volatile memory that hold data moving from your computer to the physical drives or vice versa Cache is important because it can read and write data much faster than a physical drive There are read caches which hold data as it is read from a physical drive and write cac...

Страница 277: ...ptive Writeback Cache feature is enabled The cache backup battery goes offline When the battery comes back online the write policy automatically changes back to Write Back Adaptive Writeback Cache On the VessRAID subsystem you can set the logical drive write cache policy to Write Thru or Write Back If you set the write cache policy to Write Back your data is first written to the controller cache a...

Страница 278: ...e Reduces the useful capacity to the nearest 10 000 000 000 byte boundary Group Rounding Uses an algorithm to determine how much to truncate Results in the maximum amount of usable drive capacity Table Rounding Applies a predefined table to determine how much to truncate Capacity Coercion also affects a replacement drive used in a disk array Normally when an physical drive fails the replacement dr...

Страница 279: ...e See Managing Spare Drives on page 133 WebPAM PROe or page 169 CLU for information on how to make this setting The spare drive effectively takes the place of the failed drive and the RAID system immediately begins to rebuild data onto the drive When the rebuild is complete the disk array is returned to fault tolerant status VessRAID includes a function that enables you to return a hot spare drive...

Страница 280: ...thout disturbing the existing data While the disk array is migrating you can access the data as before When migration is complete your disk array will have a different RAID level and or a larger capacity In most cases you must add one or more physical drives during the migration process You can never reduce the number of physical drives The tables below show the migration options for a source logi...

Страница 281: ... have less than 16 physical drives If existing physical drives have no unused space add 1 or more physical drives RAID 6 4 physical drives minimum 16 maximum If existing physical drives have no unused space add 1 or more physical drives RAID 10 4 physical drives minimum Even number of physical drives If existing physical drives have no unused space add 1 or more physical drives RAID 50 6 physical ...

Страница 282: ...hysical drives RAID 10 4 physical drives minimum Even number of physical drives Add 2 or more physical drives RAID 50 6 physical drives minimum 32 per axle maximum Add 4 or more physical drives Target Requirements RAID 0 None RAID 1E Add physical drives RAID 5 3 physical drives minimum 16 maximum RAID 1E must have less than 16 physical drives If existing physical drives have no unused space add 1 ...

Страница 283: ...al drives RAID 10 4 physical drives minimum Even number of physical drives If existing physical drives have no unused space add 1 or more physical drives RAID 50 6 physical drives minimum 32 per axle maximum If existing physical drives have no unused space add 1 or more physical drives RAID 60 8 physical drives minimum 32 per axle maximum If existing physical drives have no unused space add 1 or m...

Страница 284: ...ss than 16 physical drives RAID 6 4 physical drives minimum 16 maximum RAID 10 must have less than 16 physical drives If existing physical drives have no unused space add 1 or more physical drives RAID 10 Add physical drives Even number of physical drives RAID 50 6 physical drives minimum 32 per axle maximum RAID 60 8 physical drives minimum 32 per axle maximum If existing physical drives have no ...

Страница 285: ...m RAID 50 must have less than 16 physical drives If existing physical drives have no unused space add 1 or more physical drives RAID 10 Even number of physical drives RAID 50 Add physical drives 32 per axle maximum RAID 60 8 physical drives minimum 32 per axle maximum If existing physical drives have no unused space add 1 or more physical drives Target Requirements RAID 6 16 physical drives maximu...

Страница 286: ... expansion is finished WebPAM PROe will show the logical drive in the desired size Your operating system might show the logical drive at the maximum size listed in the table below Additional capacity might appear as unpartitioned and unformatted Important The Target disk array may require more physical drives than the Source disk array If the Target disk array requires an EVEN number of physical d...

Страница 287: ...hecks all physical drives assigned to disk arrays Media Patrol does not check unconfigured drives Media Patrol will also check spare drives if those drives have Media Patrol enabled Media Patrol for spare drives is enabled by default You can disable it in VessRAID s Command Line Interface CLI Unlike Synchronization and Redundancy Check Media Patrol is concerned with the condition of the media itse...

Страница 288: ...e following actions trigger PDM A disk drive with unhealthy status see below Media Patrol finds a disk critical error You initiate PDM manually PDM also counts the number of media errors reported by Media Patrol A disk drive becomes unhealthy when A SMART error is reported The bad sector remapping table fills to the specified level Because data would be lost if written to a bad sector when a bad s...

Страница 289: ... and the array goes critical or degraded VessRAID automatically rebuilds your array to the revertible spare drive and the array becomes functional again You replace the failed physical drive with a new physical drive of equal or greater capacity VessRAID automatically transitions moves the data from the revertible spare to the new physical drive The new physical drive becomes part of the array and...

Страница 290: ... a revertible spare drive If a physical drive fails in a disk array and there is a spare drive of adequate capacity available the controller automatically rebuilds the array using the spare drive In this example physical drive 3 failed and the array is rebuilt using physical drive 6 the revertible spare drive When the rebuild is complete the spare drive has replaced the failed drive In this exampl...

Страница 291: ...re status When the Automatic Transition is finished physical drives 1 2 3 and 4 belong to the disk array and physical drive 6 is a revertible spare drive The original configuration is restored Manual Transition If you wanted to use the drive in slot 5 as a member of the disk array rather than the drive in slot 3 you would run the Transition function manually See page 125 WebPAM PROe or page 166 CL...

Страница 292: ...VessRAID 1000i Series Product Manual 276 ...

Страница 293: ...lems page 311 Browser Does Not Connect to WebPAM PROe page 314 Unsaved Data in the Controller Cache page 316 VessRAID is Beeping VessRAID s alarm has five different patterns as shown below Figure 1 Audible alarm sound patterns When you first power up the VessRAID it beeps twice to show normal operation The audible alarm sounds at other times to inform you that the VessRAID needs attention But the ...

Страница 294: ...ge 103 or page 209 LEDs Display Amber or Red Front Panel LEDs When boot up is finished and the VessRAID subsystem is functioning normally Power Global Enclosure Status and Global RAID Status LEDs display green continuously Controller Activity LED flashes green when there is controller activity System Heartbeat LED blinks green seven times in three seconds goes dark for six seconds then repeats the...

Страница 295: ...s LEDs State Dark Steady Green Flashing Green Amber Red Power System Off Normal GlobalRAID Status System Off Normal Logical Drive Critical Logical Drive Offline Global Enclosure Status System Off Normal Locating the Enclosure Fan battery power supply temperature or voltage problem Controller Activity System Off or no iSCSI ports connected One or more iSCSI ports connected Activity Controller Heart...

Страница 296: ...screen shows the VessRAID model number and IP address If a problem is detected in the subsystem the LCD screen displays a Check Event message as shown in Figure 4 Figure 4 VessRAID optional LCD display Press the or button to see the View Events menu Then press the button to read the Events Controller LEDs Under normal conditions the Controller Status LED is green and the Dirty Cache LED icon is da...

Страница 297: ...No data in cache Unsaved data in cache Amber Unsaved data in cache Battery Not detected or Not installed OK Backup capacity below 72 hours No power to controller cache Fan Not detected OK One fan turning too slowly Multiple fans turning too slowly USB Ports No device detected Device detected Failed data transfer Amber Activity SAS OUT Port No connection Port connected Green Activity Controller Sta...

Страница 298: ...see Enclosure Problems on page 308 CLU Reports a Problem The CLU reports information passively you must determine which functions to check based on the sound of the VessRAID s buzzer and any amber or red LEDs See page 277 through 281 Check the event logs first Then check the reported component Viewing Runtime Events To display Runtime Events 1 From the Main Menu highlight Event Viewer and press En...

Страница 299: ... the log Checking a Reported Component In this example let us check disk array status 1 Open the CLU 2 Highlight Disk Array Management and press Enter 3 Observe the status of your disk arrays DaId Alias OpStatus CfgCapacity FreeCapacity MaxContiguousCap 0 DA0 OK 75 44GB 66 06GB 66 06GB 1 DA1 Degraded 189 06GB 179 68GB 179 68GB 2 DA2 OK 73 57GB 64 20GB 64 20GB At this point you can highlight the De...

Страница 300: ...Enter to identify the failed disk drive Highlight Rebuild and press Enter to rebuild the array after you replace the failed disk drive For more information see Critical Offline Disk Arrays on page 302 WebPAM PROe Reports a Problem WebPAM PROe aids in troubleshooting your logical drives and enclosure by continuous monitoring and reporting to the User in the following ways Displays yellow s red Xs i...

Страница 301: ...d popup message notification see Setting up User Event Subscriptions on page 63 Figure 7 An example of a popup message Keeps a record in the Event Log Figure 8 The Event Log Keeps a record in the Event Log Displays full information in Management View ...

Страница 302: ... drive shown in Management View Also see these troubleshooting topics Event Notification Response on page 289 Critical Offline Disk Arrays on page 302 Frequently Asked Questions on page 317 Auto Rebuild Replacement Drive Critical Rebuilding Status Failed Disk Drive ...

Страница 303: ...ng a Report from OPAS The VessRAID subsystem comes with One Plug Auto Service OPAS OPAS automatically saves a comprehensive system profile and diagnostic report as a text file when you plug a USB stick in one of the USB ports on the VessRAID controller To view an OPAS report on the VessRAID 1 Plug a USB stick into one of the USB ports on the VessRAID controller Figure 11 USB ports on the VessRAID ...

Страница 304: ...x log to the PC desktop or a convenient location Figure 12 Locating the report file on the USB stick 5 Open the subinfo_xxxxxxxxxx log file in a text editor to read the system profile and diagnostic report Note Choose a text editor with some word processor capability such as WordPad on a Windows PC for easier viewing ...

Страница 305: ...92 Event Log page 292 Host Interface Controller page 292 Logical Drive page 293 Media Patrol page 294 Online Capacity Expansion page 295 PDM page 295 Physical Disk page 296 PSU Power Supply Units page 297 RAID Level Migration page 298 Rebuild page 298 Redundancy Check page 299 Resource page 300 Spare Check page 300 Spare Drives page 300 SMART page 300 Synchronization page 300 System VessRAID page ...

Страница 306: ...isconnected or removed Reinstall the battery See page 240 Battery charging failed Replace the battery See page 240 Battery reconditioning started Battery reconditioning has begun Battery recondition terminated The battery was disconnected or removed during reconditioning Reinstall the battery See page 240 Blowers Blowers have started Normal Blowers have stopped Verify that the fans are properly in...

Страница 307: ...See page 53 and 54 WebPAM PROe or page 186 CLU Controller temperature is above the threshold warning threshold The VessRAID controller is overheating Check for airflow around and through the controller and verify that all fans are working Replace fans as needed Controller temperature is above the critical threshold The VessRAID controller is seriously overheating Check for airflow around and throu...

Страница 308: ...ssRAID is overheating Check for airflow around and through the VessRAID and verify that all fans are working Replace fans as needed Enclosure temperature is above the critical threshold The VessRAID is seriously overheating Check for airflow around and through the VessRAID and verify that all fans are working Replace fans as needed Enclosure temperature is within the normal range Normal Event Log ...

Страница 309: ...ror An unidentified error occurred If this message appears repeatedly contact Technical Support See page 319 Host interface controller has encountered a system error A VessRAID system error occurred If this message appears repeatedly contact Technical Support See page 319 Host interface controller has encountered a fatal error Restart the VessRAID See page 94 WebPAM PROe or page 207 CLU If this me...

Страница 310: ...The physical drives of the array are restored to online status Logical drive has been placed online Possible data loss One or more physical drives in the array went offline See page 302 Logical drive has been set to critical One or more physical drives in the array went offline See page 302 Logical drive axle has been placed online RAID 50 and 60 One of the axles RAID 5 or 6 arrays returned on onl...

Страница 311: ... has encountered a physical disk error Bad block found on a disk drive Migration will finish Check the disk drive check table after migration and replace disk drive as needed See page 106 WebPAM PROe or page 156 CLU Online capacity expansion is aborted due to an internal error System resources are low Reduce system load or restart the VessRAID See page 94 WebPAM PROe or page 207 CLU Online capacit...

Страница 312: ...s or user action Normal Physical disk is no longer assigned as global spare Result of settings or user action Normal Physical disk assigned as dedicated spare Result of settings or user action Normal Physical disk is no longer assigned as dedicated spare Result of settings or user action Normal Physical disk has been inserted A disk drive has been inserted into the VessRAID subsystem Physical disk...

Страница 313: ...rked as dead and will not work on the VessRAID Replace the disk drive A physical drive page 0 1 settings have been changed Result of settings or user action Normal Physical disk is marked as dead due to removal failure of reassign sectors PFA condition forced offline state Replace the disk drive PSU Power Supply Units PSU is not inserted has been removed A power supply unit is missing from the Ves...

Страница 314: ... needed RAID Level migration is aborted due to an internal error System resources are low Reduce system load or restart the VessRAID See page 94 WebPAM PROe or page 207 CLU RAID Level migration is queued Migration has been set manually or by schedule Migration has detected cleared stale NV Watermark Watermarks are progress markers left as the result of interrupted RAID migrations If the watermark ...

Страница 315: ... or by schedule Redundancy Check is completed Redundancy Check has finished Redundancy Check is paused Redundancy Check paused because of user intervention schedule or a higher priority background activity Redundancy Check is resumed Redundancy Check has resumed again after a pause Redundancy Check is stopped Redundancy Check stopped because of user intervention schedule or the logical drive was d...

Страница 316: ...f settings or user action Normal Physical disk assigned as dedicated spare Result of settings or user action Normal Physical disk is no longer assigned as dedicated spare Result of settings or user action Normal Dedicated Spare has been deleted Result of settings or user action Normal SMART SMART error is received A disk drive reported a SMART error If this message appears repeatedly replace the d...

Страница 317: ...mal Transition is completed Normal Transition is paused Transition paused because of user intervention schedule or a higher priority background activity Transition is resumed Transition has resumed again after a pause Transition is stopped Transition stopped because of user intervention or the logical drive was deleted Transition was switched to rebuild Transition changed to rebuild because the lo...

Страница 318: ...nt disk array RAID 1 1E 5 6 10 50 and 60 goes offline contact Promise Technical Support See page 319 A non fault tolerant disk array RAID 0 goes offline when a disk drive is removed or fails Since the disk array is not fault tolerant the data stored in the disk array is no longer accessible If one disk drive fails all of the data on the disk array is lost You must replace the failed drive Then if ...

Страница 319: ... Creating a Spare Drive on page 134 WebPAM PROe or page 169 CLU Without a Hot Spare Drive If there is no hot spare drive of adequate capacity you must remove the failed drive and install an unconfigured replacement drive of the same or greater capacity in the same slot as the failed drive Until you install the replacement drive the logical drive will remain Degraded If the Auto Rebuild function is...

Страница 320: ...ing physical drive displays a green Activity lower LED while the Status upper LED flashes green once per second Figure 15 VessRAID disk drive carrier LEDs During rebuilding you can still read and write data to the logical drive However fault tolerance is lost until the Disk Array returns to OK not rebuilding status After a successful rebuild The alarm is silent The Disk Array s Operational Status ...

Страница 321: ...closure See Installing Disk Drives on page 15 If you choose to accept the incomplete array 1 Click OK in the incomplete array dialog box 2 Check the operational status of the logical drives in the array If the logical drives are critical or degraded proceed with a rebuild See Rebuilding a Disk Array on page 123 WebPAM PROe or page 164 CLU If the logical drives are offline contact Technical Support...

Страница 322: ...ctive SAS cable between the VessRAID subsystem and a VessJBOD enclosure Physical Drive Failed When physical drive status shows failed the physical drive cannot be repaired You must replace the failed drive Physical Drive Fails during Migration VessRAID has two methods for migrating a disk array DDF The default setting Slower but reliable NVRAM An optional setting that requires special access Faste...

Страница 323: ... Incomplete Array on page 305 Because the setting for migration under NVRAM requires special access most users will not encounter this condition Physical Drive Fails during Transport Transport is the action of moving the physical drives of a disk array To different slots in the same VessRAID enclosure From one VessRAID enclosure to another If a physical drive fails during a transport or you do not...

Страница 324: ...nclosure icon The Enclosure screen will display below Figure 16 Enclosure information in Management View In this example one of the RAID Controller fans has failed The Enclosure Diagram displays color and motion changes to identify the failed fan In WebPAM PROe RAID Controller fans are called Blowers See Replacing a Cooling Fan on page 238 for instructions Note that the image above was shortened t...

Страница 325: ...If a RAID Controller fan fails you can replace it onsite See page 238 Air Circulation Air circulation around the VessRAID enclosure may be a more complex problem Use the thermometer icons to help you locate the specific hot spot Check for these conditions Accumulated dust or objects blocking the fans Less than a minimum of 5 inches 13 cm space between the back of the VessRAID and the wall or other...

Страница 326: ...e See page 319 Fan Failure As noted above if a power supply fan fails you must replace the power supply Without the fan to cool it the power supply will overheat and eventually fail anyway See page 236 for instructions on replacing a power supply Battery VessRAID uses an optional battery as backup power for the cache Should a power failure occur the battery enables the cache to hold data up to 72 ...

Страница 327: ...e They are the proper ones for your RAID subsystem They are in brand new condition You paid for them with the purchase of your VessRAID Serial Connections VessRAID uses a serial connection for the command line interface CLI and the command line utility CLU After you set the IP address you can access the CLI and CLU through a network connection also Normally users prefer WebPAM PROe because of its ...

Страница 328: ... Port VessRAID ships from the factory a default Management Port IP address of 192 168 0 1 You must change this address to one that will work with your network See Chapter 3 VessRAID Setup on page 27 Figure 17 Management port connection iSCSI Ports VessRAID ships from the factory default iSCSI Port IP addresses of 10 0 0 2 through 10 0 0 5 You must change these addresses to work with your GeE netwo...

Страница 329: ... Troubleshooting 313 Figure 18 iSCSI port connection LEDs State Dark Orange Green Blinking Green Link Activity Link NOT established Link established Activity Speed 1000 Mb s 100 Mb s Link Activity LED Speed LED ...

Страница 330: ...el number and management port IP address as shown in Figure 19 Figure 19 LCD panel default display If your VessRAID does not have an LCD panel set up a serial connection to access the CLI See page 23 and 27 for more information To find the new IP address 1 Start your PC s terminal VT100 or ANSI emulation program 2 Press Enter once to launch the CLI 3 At the Login prompt type administrator and pres...

Страница 331: ...Chapter 9 Troubleshooting 315 The new management port IP address and other network settings are displayed on the screen Enter the new IP address into your browser to log into WebPAM PROe ...

Страница 332: ...ved to non volatile memory Such data is sometimes called dirty not to suggest it is corrupted in some way but because it has not been saved to a disk drive Figure 20 Dirty Cache LED If there is unsaved data in the controller s cache the Dirty Cache LED shines amber During this time do NOT power down the VessRAID Wait until the LED will goes dark Dirty Cache LED ...

Страница 333: ...sRAID subsystems used a proprietary method of disk metadata VessRAID subsystems have a metadata to DDF conversion feature To use the conversion feature you must restart the VessRAID after installing disk drives from an older VessRAID subsystem Note that if you move your disk drives from the VessRAID to an early VessRAID the older subsystem will not recognize your disk array or logical drive How ca...

Страница 334: ...ver software embedded With VessRAID you point your browser directly to the VessRAID rather than a server Also with VessRAID you do not have to create a subsystem because the subsystem already exists Why can a RAID 1 logical drive on VessRAID consist of only two disk drives On VessRAID RAID 1 logical drives work in mirrored physical drive pairs You could create up to eight RAID 1 logical drives Or ...

Страница 335: ...es this advantage In addition leaving one power supply off reduces air flow through the VessRAID enclosure and can contribute to overheating Always switch on both power supplies VessRAID s Netsend service does not report all events to Windows PCs This condition results from a shortcoming in Windows Messenger that causes miscommunication with Netsend Promise is developing a workaround at the time o...

Страница 336: ... for support Promise Technology Inc 580 Cottonwood Drive Milpitas CA 95035 USA E mail Support e Support On Line Fax Support 31 0 40 256 9463 Attn Technical Support Phone Support 31 0 40 235 2600 If you wish to write us for support Promise Technology Europe B V Science Park Eindhoven 5542 5692 EL Son The Netherlands E mail Support e Support On Line Fax Technical Support 49 0 2 31 56 76 48 29 Attn T...

Страница 337: ...ish to write us for support Promise Technology Italy Piazza del Popolo 18 00187 Roma Italia E mail Support e Support On Line Fax Support 886 3 578 2390 Attn Technical Support Phone Support 886 3 578 2395 ext 8822 or 8823 If you wish to write us for support Promise Technology Inc 2F No 30 Industry E Rd IX Science based Industrial Park Hsin Chu 30075 Taiwan R O C ...

Страница 338: ...Technology China Beijing Room 1205 Tower C Webok Time Center No 17 South Zhong Guan Cun Street Hai Dian District Beijing 100081 China E mail Support e Support On Line Fax Support 86 21 6249 4627 Attn Technical Support Phone Support 86 21 6249 4192 4193 or 4199 If you wish to write us for support Promise Technology China Shanghai Room 508 Leader Tower 1189 West Wu Ding Road Jing An District Shangha...

Страница 339: ...ification s performed by the end user b operation outside the environmental specifications for the product c accident misuse negligence misapplication abuse natural or personal disaster or maintenance by anyone other than a Promise or a Promise authorized service center Disclaimer of other warranties This warranty covers only parts and labor and excludes coverage on software items as expressly set...

Страница 340: ...irect incidental or punitive damages whether in contract tort or otherwise notwithstanding the failure of the essential purpose of the foregoing remedy and regardless of whether Promise has been advised of the possibility of such damages Promise is not an insurer If you desire insurance against such damage you must obtain insurance from another party Some states do not allow the exclusion or limit...

Страница 341: ...er Return ONLY the specific product covered by the warranty do not ship cables manuals diskettes etc with a copy of your proof of purchase to You must follow the packaging guidelines for returning products Use the original shipping carton and packaging Include a summary of the product s problem s Write an attention line on the box with the RMA number Include a copy of proof of purchase Important O...

Страница 342: ... product s Promise may replace defective parts with new or reconditioned parts or replace the entire unit with a new or reconditioned unit In the event of a replacement the replacement unit will be under warranty for the remainder of the original warranty term from purchase date or 30 days whichever is longer Promise will pay for standard return shipping charges only You will be required to pay fo...

Страница 343: ...duling 58 settings 56 184 view 56 battery checking 102 152 failure 310 LED 281 reconditioning 103 153 reported events 289 BBU reported events 291 blower reported events 290 boot the subsystem 93 206 browser does not connect 314 buzzer settings 103 209 217 silence 103 sounding 277 303 test 104 C cable RJ11 to DB9 23 140 cache battery replace 240 cancel alarm 103 209 217 capacity coercion defined 26...

Страница 344: ...69 170 228 263 default IP address 28 312 default settings restore 90 203 delete disk array 119 162 222 initiator 189 delete cont logical drive 122 168 225 schedule background activities 59 spare drive 135 171 229 user 66 195 DHCP server changed IP address 314 diagnostic report 287 diamond icon port 22 dirty cache LED 280 Discover button 51 disk array advanced creation 117 161 220 alias 117 120 121...

Страница 345: ...51 topology 100 154 view 99 217 voltage 101 151 error block threshold 57 185 event notification response 289 severity 63 85 200 subscriptions 63 event log clear 54 55 186 187 NVRAM 186 282 problem reporting 285 reported events 292 runtime 53 186 282 save 54 55 expand disk array 122 165 expansion ranges 270 export user database 87 F failed battery 310 power supply 310 power supply fan 309 RAID cont...

Страница 346: ...6 218 subsystem 52 UPS unit 113 192 initialization defined 262 logical drive 41 118 129 173 rate 56 185 initiator add 76 188 delete 76 189 map LUN to 77 189 Internet access to WebPAM PROe 42 intranet access to WebPAM PROe 318 IP address 75 183 default 28 312 DHCP or static 28 DHCP server changed 314 DNS server 32 67 finding 211 315 gateway 32 iSNS server 73 181 management port 29 33 175 176 214 Ne...

Страница 347: ...physical drive 218 spare drive 229 logical drive create 224 delete 225 locate 227 view 226 LCD panel cont management port settings 214 mode settings 212 physical drive locate 218 view 218 settings buzzer 217 management port 214 mode 212 simple mode 212 spare drive create 228 delete 229 locate 229 view 228 view controller 216 disk array 223 enclosure 217 events 213 logical drive 226 physical drive ...

Страница 348: ...as 129 161 capacity 121 161 167 check table 131 create 121 166 delete 122 168 225 information 127 137 172 226 logical drive cont initialization 41 118 129 173 locate 174 227 LUN 132 partition and format 263 RAID level 121 161 Redundancy Check 130 174 reported events 293 294 settings 129 172 173 status 127 226 critical 127 226 offline 127 227 rebuilding 127 226 synchronizing 127 226 transport ready...

Страница 349: ...5 running 58 125 166 triggers 56 185 272 PFA condition 108 156 physical drive alias 108 156 capacity coercion 97 148 262 command queuing 106 155 configurational status 107 DMA mode 106 155 fail during migration 306 fail during transport 307 failure recovery 302 force offline or online 108 157 from VTrak subsystem 317 global settings 106 155 information 106 156 218 list 105 locate 105 106 109 157 2...

Страница 350: ...els changing 264 choosing 256 logical drive 121 161 RAID 0 applications 256 description 246 RAID levels cont RAID 1 applications 256 description 247 RAID 10 applications 258 description 251 RAID 1E applications 257 description 248 RAID 5 applications 257 description 249 RAID 50 applications 258 description 252 RAID 6 applications 257 description 250 RAID 60 applications 258 description 254 read ca...

Страница 351: ...start the subsystem 94 207 233 235 restore default settings 90 203 returning product for repair 325 revertible spare drive 125 133 134 135 169 170 228 273 RJ11 connector 23 RJ11 to DB9 cable 23 140 RJ45 connector 18 20 312 running background activities 57 runtime event log 53 186 282 S SAS add initiator 76 188 delete initiator 76 Expansion port 22 IN port 22 OUT port 22 scheduling background activ...

Страница 352: ...drive 134 169 settings 135 170 Spare Check 136 170 transition 125 view 133 specifications VessRAID 6 stale condition 108 156 statistics clear 90 202 controller 96 147 physical drive 107 156 status controller 95 147 fans 101 logical drive 127 172 226 physical drive 107 156 power supply 101 150 spare drive 133 subsystem lock 60 145 Storage Network 51 stripe size defined 259 setting 121 161 168 221 s...

Страница 353: ...91 USB stick for diagnosis 287 user create 65 193 database export 87 database import 87 delete 66 195 user cont event subscriptions 63 logout others 66 password change 64 privileges 65 194 settings 62 63 194 195 view 62 193 view sessions 66 username and password CLI CLU 27 141 WebPAM PROe 36 44 V VessRAID architectural description 3 beeping 277 303 drive slot numbering 15 features and benefits 3 o...

Страница 354: ...ntranet 318 access over the Internet 42 Event Frame 49 Header 47 interface 46 login 35 44 logout 41 49 WebPAM PROe cont Management View 48 no browser connection 314 problem reporting 284 303 Regular Connection 35 44 Secure Connection 35 44 times out 318 Tree View 47 write cache policy 121 129 161 168 221 defined 261 physical drive 106 155 write check table 132 Y yellow 278 284 308 ...

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