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Managing Arrays & Partitions

139

To reset partition statistics:

1

Display the partition menu.

2

Select

Partition Statistics

and press

Enter

.

The statistics menu displays.

3

Select

Reset Statistics

and press

Enter

.

The system confirms that you want to make the change.

4

Select

Yes

and press

Enter

.

The system confirms that the statistics have been cleared and returns to the statistics menu.

C.3.3 Expanding a Partition

You can expand an existing partition, with some limitations. You can only expand a partition into
contiguous, following, free space. For more information about partitions, see

C.3.1, ”Understanding

Partitions”, on page 133

.

From the Array Menu

From the All Partitions Menu

1

From the System Menu, select

Array

Menu

and press

Enter

.

The Select Array screen displays with a list
of existing arrays.

2

Select the array you want and press

Enter

.The array menu displays.

3

Select

Partition Menu

and press

Enter

.

The Select Partition screen displays with a
list of existing partitions for the current
array.

4

Select the partition you want and press

Enter

.The partition menu displays.

1

From the System Menu, select

All

Partitions Menu

and press

Enter

.

The Select Partition or Free Area
screen displays with a list of

existing partitions and free space.

2

Select the partition you want and
press

Enter

.

The partition menu displays.

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Содержание RS-1600-X24

Страница 1: ...RS 1600 X24 User Guide Part No 43061 01A Issue 1 0 June 23 2003 ...

Страница 2: ... information in this document is accurate the Authors accept no liability for any errors that may arise No part of this document may be transmitted or copied in any form or by any means for any purpose without the written permission of the Authors Acknowledgments Issue 1 0 June 23 2003 Part No 43061 01A ii RS 1600 X24 User Guide ...

Страница 3: ... 1 1 1 The RS 1600 X24 System 1 1 2 The Enclosure Core Product 2 1 2 1 Enclosure Chassis 2 1 2 2 Tower Option 3 1 3 The Plug in Modules 4 1 3 1 Power Supply Cooling Module 4 1 3 2 Operators Panel 5 1 3 3 Loop Resiliency Circuit Input Output Module FC AL 6 1 3 4 Drive Carrier Module 9 1 3 5 Dummy Carrier Modules 10 1 4 Visible and Audible Alarms 10 1 5 Installing your X24 Subsystem 11 1 6 RS 1600 X...

Страница 4: ...usting an Array 23 3 3 6 Deleting an Array 24 3 4 Managing Partitions 25 3 4 1 Viewing Partition Status Information 25 3 4 2 Changing a Partition Name 25 3 4 3 Changing a Partition LUN 26 3 4 4 Controlling Partition Access 27 3 4 5 Changing the Read Ahead Cache Size 30 3 4 6 Deleting a Partition 31 4 System Status 33 4 1 Monitoring System Status Using SAM 33 4 2 Setting Up Remote Notification 33 4...

Страница 5: ...mation 53 6 1 2 Clearing Metadata from a Disk Drive 54 6 1 3 Enabling and Disabling Write back Cache 55 6 1 4 Displaying Disk Drive Cache Status 55 6 1 5 Enabling and Disabling SMART Changes 55 6 1 6 Blinking a Drive LED 56 6 1 7 Taking Down a Disk Drive 56 6 1 8 Testing a Disk Drive 57 6 2 Managing Enclosures 57 6 2 1 Setting the EMP LUN 57 6 2 2 Changing the Additional EMP Setting 58 7 Troublesh...

Страница 6: ...sing the Disk Array Administrator to Set Up Debug Logging 83 7 17 Using the Loader Diagnostics Menu 83 7 18 Using the Loader Utility Menu 84 7 19 Understanding Disk related Errors 84 7 19 1 Disk Errors 84 7 19 2 Disk Channel Errors 85 7 19 3 Voltage and Temperature Errors and Warnings 86 7 20 Slow Write Performance 86 7 21 Spare Parts and Ancillary Items 87 7 22 Upgrading Your LRC I O Modules 87 A...

Страница 7: ...nging a Partition LUN 141 C 3 6 Changing the Read Ahead Cache Size 142 C 3 7 Enabling or Disabling Write back Cache 143 C 3 8 Controlling Partition Access 144 C 3 9 Deleting a Partition 151 D Monitoring System Status 153 D 1 Introduction 153 D 2 Displaying the Event Log 154 D 2 1 Viewing the Most Recent Event 154 D 2 2 Viewing One Event at a Time 155 D 2 3 Viewing a Whole Screen of Events 156 D 2 ...

Страница 8: ...nu 192 G 2 Changing the Date and Time 192 G 3 Configuring the Host Channels 195 G 4 Understanding LUNs and Viewing LUN Information 196 G 4 1 Viewing LUN Information 197 G 5 Configuring the FC Disk Channels 198 G 6 Changing the Alarm Mute Setting 200 G 7 Locking the Cache Setting 203 G 8 Enabling and Disabling the Battery 204 G 9 Changing the Utility Priority 205 G 10Rescanning All Channels 206 G 1...

Страница 9: ...Contents ix Index 229 ...

Страница 10: ...x RS 1600 X24 User Guide ...

Страница 11: ...ful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be require...

Страница 12: ...plug the unit if you think that it has become damaged in any way and before you move it An RS 1600 X24 enclosure can weigh up to 37kg 81lb Do not try to lift it by yourself Do not attempt to lift the enclosure by means of the extended LRC module or by the handles on the PSU Cooling module as they are not designed to support the weight of the populated enclosure In order to comply with applicable s...

Страница 13: ...te with two working PSUs If powered by multiple AC sources disconnect all supply power for complete isolation The power connection must always be disconnected prior to removal of the Power Supply Cooling module from the enclosure A safe electrical earth connection must be provided to the power cord Check the grounding of the enclosure before applying power LRC Module Caution Label Do not operate w...

Страница 14: ...acturer the protection provided by the equipment may be impaired Battery Safety The battery is user replaceable please refer to the Battery Replacement Procedure Warning There is a danger of explosion if the battery is incorrectly replaced Dispose of used batteries in accordance with the manufacturer s instructions and National regulations Laser Safety Class 1 Laser Product When the X24 Subsystem ...

Страница 15: ...otal number of units installed in the rack Consideration of the electrical power consumption rating shown on the nameplate should be used when addressing these concerns The electrical distribution system must provide a reliable earth for each unit and the rack Each power supply in each unit has an earth leakage current of 0 65mA The design of the electrical distribution system must take into consi...

Страница 16: ...nty If you remove any drive module you may lose data If you remove a drive module replace it immediately If it is faulty replace it with a drive module of the same type and capacity Ensure that all disk drives are removed from the enclosure before attempting to manhandle or move the rack installation Do not abandon your backup routines No system is completely foolproof Special Tools and Equipment ...

Страница 17: ...iffers as follows For disk drives arrays partitions and data rate statistics 1 MB equals 1 000 000 using the International System of Units SI standard For memory 1 MB equals 1 048 576 using the memory industry standard Note Notes give you information that can help you improve the performance of your system Important Important gives you important information that may affect how you decide to set up...

Страница 18: ...RS 1600 X24 User Guide xvi Revision History Version Date Description of Change Issue 1 0 June 2003 Initial Beta Release ...

Страница 19: ...Introduction 1 Chapter 1 Introduction 1 1 The RS 1600 X24 System Figure 1 1 The RS 1600 X24 FC AL System ...

Страница 20: ...Panel mounted at the rear The chassis assembly contains 16 drive bays at the front each of which accommodates a plug in drive carrier module The 16 drive bays are arranged in 4 rows of 4 drives At the rear the chassis assembly contains 5 module bays to house two Power Supply Cooling modules two LRC I O modules and the integral Ops panel The Backplane PCB provides logic level signal and low voltage...

Страница 21: ...Introduction 3 1 2 2 Tower Option An optional tower kit is available which can be fitted to the rack chassis described here Figure 1 3 X24 Enclosure Chassis Rear Figure 1 4 RS 1600 X24 Tower Option ...

Страница 22: ...nclosure as part of the Subsystem core product PSU voltage operating ranges are nominally 115V or 230V AC selected automatically Four LEDs mounted on the front panel of the Power Supply Cooling Module indicate the status of the PSU and the fans Warning The Power Supply Cooling module is not an operator removable part It should only be removed by a technician who has knowledge of the hazards presen...

Страница 23: ...al part of the Enclosure core product a typical Operators Ops Panel is shown in Figure 1 6 The Ops Panel provides the enclosure with a micro controller which is used to monitor and control all elements of the Enclosure 1 3 2 1 Ops Panel Indicators and Switches The Ops Panel includes Light Emitting Diodes LEDs which show the status for all modules an Audible Alarm which indicates when a fault state...

Страница 24: ... Processors housed on the LRC modules provide enclosure management and interface to devices on the Backplane PSU LRC and Ops Panel to monitor internal functions These processors operate in a master slave configuration to allow failover The module incorporates the following LED indicators shown in Figure 1 7 Host Port 0 Signal Good Green Host Port 1 Signal Good Green Expansion Port 0 Rx Good Green ...

Страница 25: ...dule fault LED Amber Cache Active Green RAID Controller Activity Ready Green Host Activity of either host channels Flash off Battery Fault Amber Important Fitting of a RAID controller to the LRC module is a factory only operation Figure 1 7 LRC Panel Layout ...

Страница 26: ...r Guide 8 Warning Do not attempt to lift the enclosure by means of the extended SM module Figure 1 8 X24 LRC Storage Manager I O Module Figure 1 9 RS 1600 X24 Enclosure with Storage Manager Modules and PSUs Installed ...

Страница 27: ...mal protection and is connected to the RAID controller by flying lead Note The RS 1600 product range is available in 1Gb 2Gb JBOD or RAID variants by changing the LRC modules Please contact your supplier for details 1 3 4 Drive Carrier Module The Drive Carrier module comprises a hard disk mounted in a carrier Each drive bay will house a single 1 0 inch high 3 5 inch disk drive in its carrier Each ...

Страница 28: ...ain a balanced airflow Warning Operation of the Enclosure with ANY modules missing will disrupt the airflow and the drives will not receive sufficient cooling It is ESSENTIAL that all apertures are filled before operating the unit Dummy Carriers are available for this purpose 1 4 Visible and Audible Alarms The functional modules have associated status LEDs The Ops Panel shows a consolidated status...

Страница 29: ...m Tower Enclosure Height 501mm Width 230mm including mounting feet Depth 511mm Note It is recommended that a rack with a depth of no less than 700mm is used with this product 1 6 2 Weight 1 6 3 AC Power 450W PSU Maximum Configuration Rack mount Tower 37kg 81lb 40kg 88lb Empty Enclosure Rack 9kg 19 8lb PSU Cooling Module 4kg 8 8lb LRC I O Module 1 5kg 3 11lb Tower Conversion Kit 3kg 6 6lb Voltage R...

Страница 30: ...ative Humidity Max Wet Bulb Operational 5 C to 40 C 20 to 80 non condensing 23 C Non Operational 0 C to 50 C 8 to 80 non condensing 27 C Storage 1 C to 60 C 8 to 80 non condensing 29 C Shipping 40 C to 60 C 5 to 100 non precipitating 29 C Altitude Operational 0 to 3047 m 0 to 10 000ft Altitude Non Operational 305 to 12 192m 1000 to 40 000ft Shock Operational Vertical axis 5g peak 1 2 sine 10ms Sho...

Страница 31: ... 0 5mm water gauge Safety Approvals CE UL cUL EMC EN55022 CISPR A FCC A Drive support See drive carrier specification Attachment 1 FC X24 quad loop of 8 drives Passive Backplane with 2 Loop Resiliency Circuit LRC I O Module SFP HSSDC 2 cables Maximum external cable length 10m SFP optical cables Maximum daisy chain cable length see SFP manufacturer s specification Expansion SFP Cable length as abov...

Страница 32: ... 8 drive mode dual loop structures 2 external Expansion ports SFP connectors 2 Host SFP ports 1 Ethernet port Mounting Rear single bays 3 and or 4 see Figure 1 3 Connectors 2 x SFP module LC optical max cable length 500m or 2 x Copper HSSDC 2 connector max cable length 6m 1 x RJ42 Ethernet connector 1 x RS232 6 pin Mini DIN factory use only Battery Backup Li ion Battery Hold up time for RAID cache...

Страница 33: ... procedure below to power up the enclosure 1 Apply AC Mains power to the enclosure Turn the Power Supply Cooling modules to ON 2 On the Ops Panel the Audible Alarm beeps once all LEDs flash for 7 seconds then the Alarm double beeps 3 All LEDs on the Ops Panel should be lit Green when the enclosure power is activated and the disk drive motors should start Note All LEDs on the Ops Panel should be li...

Страница 34: ...al conditions the LEDs should all be illuminated constant GREEN If a problem is detected the color of the relevant LED will change to AMBER 2 3 Ops Panel LEDs The Ops Panel LEDs fault and status conditions are defined in Table 2 2 and shown in Figure 2 1 Table 2 1 PSU LEDs PSU Good Green AC input Fail Amber Fan Fault Amber DC Output Fail Amber Figure 2 1 Ops Panel LEDs and Switches ...

Страница 35: ...LEDs or Fan LEDs Any PSU fault or Fan fault On On Flash Over or Under temperature On Off On ESI LED on LRC ESI processor A Failed On Off On ESI LED on LRC ESI processor B Failed On Off On None Unknown invalid or mixed LRC module type installed or I2C Bus Failure inter ESI processor or Backplane autostart watchdog failed On Flashing Flashing PSU Removed PSU removed and System power redundancy check...

Страница 36: ...uence 2 4 1 Disk Drives LEDs Each drive carrier incorporates two indicators an upper GREEN and lower AMBER In normal operation the Green LED will be ON and will flicker as the drive operates 2 5 Power Up Down Power Up Ensure all JBOD enclosures are powered up prior to powering on the X24 enclosure Power Down Ensure the X24 enclosure is powered down prior to powering down the JBOD enclosures To pow...

Страница 37: ...hange the array name see page 23 Trust an array see page 23 Delete an array see page 24 Manage partitions see page 25 View partition status information see page 25 Change a partition name see page 25 Change a partition LUN see page 26 Control partition access see page 27 Change a partition s read ahead cache size see page 30 Delete a partition see page 31 The X24 Subsystem Getting Started Guide de...

Страница 38: ...lamation mark through the array If a utility is running on the array the percent complete displays If any array is critical for any reason other than initializing or reconstructing you should review the status information and take the appropriate action such as replacing a disk drive For more information about the array icons refer to the Understanding the Array Icons section of the X24 Subsystem ...

Страница 39: ... could be used to determine if additional arrays would increase performance and what RAID level is applicable to your needs You may want to analyze the performance of the same application using different RAID levels to determine which level gives you the best performance See Appendix A Array Basics on page 89 for more details on RAID levels Note The statistics are provided as general information f...

Страница 40: ...lem To verify an array 1 From SAM select Manage X24 Subsystem Disk Array Config Verify Array The Verify Array page displays with a list of existing arrays 2 Select the array you want 3 Click Verify Update Array Parity Verification begins and the percentage of verification completed displays You can continue to use the array during verification To check the progress of the verification select Manag...

Страница 41: ...he array you want The Change Array Owner drop down list shows the current owner 3 Select the other SM from the drop down list 4 Click Change Array Owner to Storage Manager X where X is the other SM 5 Assign a new LUN to each array partition See section 3 4 3 on page 26 3 3 4 Changing an Array Name You can change the name of an array This does not affect the target ID or LUN values of the array The...

Страница 42: ...ns The option is only enabled until you use it After you trust an array the option reverts back to being disabled 4 Select Disk Array Config Trust Array The Trust Array page displays with a list of existing arrays 5 Select the array you want 6 Click Trust This Array The array will be back online Note If the array does not come back online it may be that too many members are offline or the array ma...

Страница 43: ...riate action such as replacing a disk drive For more information about the array icons refer to the Understanding the Array Icons section of the X24 Subsystem Getting Started Guide More detailed partition information is available from two pages for information about the fields on each page click Page Help Monitor X24 Subsystem Status Storage Array Status includes partition information for the sele...

Страница 44: ...N Note You cannot change the partition s LUN to one that is already in use If you want to use a LUN that is already in use you must first reassign the LUN in use For more information about LUNs and your X24 Subsystem see section G 4 Understanding LUNs and Viewing LUN Information on page 196 To change a partition LUN 1 From SAM select Manage X24 Subsystem LUN Management Change Partition LUN The Cha...

Страница 45: ...two partitions Partition 1 has an include list that contains only Accounting so only the Accounting server can access partition 1 Array B partition 3 has an exclude list that contains only the Web server so all hosts except the Web server can access the partition Array C uses the default setting Include All Hosts which permits all hosts to access the array 3 4 4 1 Viewing Known WWNs You can view t...

Страница 46: ...ognize to make InfoShield easier to manage For example you can use the computer name that has already been assigned to each host The list of known host WWNs and nicknames is called the global host list You can determine which WWN is for which host by starting one host at a time or scanning for devices from a host then viewing the WWN list The host that scanned for devices most recently is first on...

Страница 47: ...results in all hosts being able to access all partitions Changing the InfoShield type does not add or remove any hosts in previously created lists Include All Hosts Permits all hosts on the network to access the selected partition This is the default InfoShield type This results in all hosts being able to access the partition If you have already created an include or exclude list you can use this ...

Страница 48: ...he array default is 64 KB The SMs treat volumes and mirrored arrays RAID 1 internally as if they have a stripe size of 64 KB even though they are not striped If you specify a read ahead cache size that amount of data is read first and the same amount is read for all read ahead accesses Read ahead is triggered by two back to back accesses to consecutive logical block address LBA ranges Read head ca...

Страница 49: ...rtition Note You cannot delete a partition while any utility Initialize Verify Expand or Reconstruct is running on the array You must stop the utility if allowed or let it finish before you can delete the partition To delete a partition 1 From SAM select Manage X24 Subsystem LUN Management Partition Menu Delete Partition The Delete Partition page displays with a list of all existing arrays 2 In th...

Страница 50: ...RS 1600 X24 User Guide 32 ...

Страница 51: ...verall and cumulative statistics see page 36 Debug log see page 81 4 2 Setting Up Remote Notification Remote notification lets you receive information about specific X24 Subsystem events by e mail You can select the types of events and up to four e mail addresses You can view the current settings by selecting Manage X24 Subsystem Remote Configuration Remote notification requires that you set up tw...

Страница 52: ...M sends a message to the e mail addresses that you have set up To set up events 1 From SAM select Manage X24 Subsystem Remote Configuration Select Event Categories The Select Event Categories page displays 2 Select which event categories if any you want to trigger an e mail message 3 Click Change Monitored Event Categories 4 Select Manage X24 Subsystem Remote Configuration Select Specific Categori...

Страница 53: ...g Event log refer to the X24 Subsystem Getting Started Guide Diagnostic debug logs Device status The device status information is always included You can enter contact information for inclusion in the log information file This helps identify the issue and contact information when these logs are being collected for diagnostic purposes To save log information to a file 1 From SAM select Manage X24 S...

Страница 54: ...l arrays and partitions For more information see 3 3 1 Viewing Array and Partition Statistics on page 21 Tip This information may be helpful in interpreting performance based on individual system configuration such as HBA driver configuration SAN configuration and host operating system configuration The statistical information can be useful to profile applications and their usage of an array which...

Страница 55: ...tatistics if you are monitoring performance You may also want to reset statistics when you change how you are using the partition Note You cannot reset the queue depth value It always reflects the current I O queue depth To reset all statistics 1 From SAM select Monitor X24 Subsystem Statistics Reset All Statistics The Reset All Statistics page displays 2 Click Reset Statistics The system confirms...

Страница 56: ...RS 1600 X24 User Guide 38 ...

Страница 57: ...ute setting see page 44 Lock the cache setting see page 45 Enable or disable the battery see page 46 Change the utility priority see page 46 Rescan all ports see page 47 Pause I O see page 47 Save and restore a configuration file see page 48 Restore the default settings see page 50 Update the software see page 51 The X24 Subsystem Getting Started Guide describes the following X24 Subsystem setting...

Страница 58: ...eral Config LAN Configuration The LAN Configuration page displays 2 In the Telnet Configuration panel enter the timeout period 3 Click Change LAN Configuration 5 1 2 Configuring the SNMP Settings You can set four Simple Network Management Protocol SNMP related settings Traps Enabled On or off toggle to enable SNMP traps The default is No disabled SNMP Trap Host Host computer s IP address that is s...

Страница 59: ...be logged in at a time You can use up to 31 characters You can use only letters numbers and underscores Manage User Password These users have access to all SAM functions The default is manage Only one manage user can be logged in at a time You can use up to 31 characters You can use only letters numbers and underscores Telnet User Password Password for accessing the SM using the Ethernet port and ...

Страница 60: ...g SAM The default is enabled SNMP Capability Controls the availability of SNMP which permits remote monitoring of the SM using your LAN The default is enabled Internet Debug Used for diagnosing problems during the technical support process We recommend that this remain disabled unless support personnel tell you to enable it The default is disabled You must restart both SMs for the change to take e...

Страница 61: ...st port using SCSI protocol extensions You are using CAPI only if your company has written a program to monitor and manage the X24 Subsystem If you are not using CAPI you can set the management LUN to NONE If you are using CAPI you can set it to a value of 0 63 Note Most UNIX Linux and Macintosh operating systems require that the management LUN be set to a higher value than all array LUNs Before c...

Страница 62: ...ent LUN If you are not using software that your company developed and therefore are not using CAPI select NONE as the management LUN This allows your first array to be seen at LUN 0 To change the management LUNs 1 From SAM select Manage X24 Subsystem LUN Management Change SM LUN The Change SM LUN page displays 2 Select the LUN you want to use for each SM Note Use this setting if you are not using ...

Страница 63: ...e If cache lock is enabled the host cannot change the cache setting The default setting is disabled This option is useful in some environments where the host system disables the X24 Subsystem s write back cache resulting in degraded performance To lock the cache setting 1 From SAM select Manage X24 Subsystem General Config Option Configuration The Option Configuration page displays 2 Select the Ho...

Страница 64: ...ption you want 3 Click Change Options You must restart the X24 Subsystem for the change to take effect 4 Select Shutdown Restart from the SAM menu 5 8 Changing the Utility Priority You can change the priority at which all utilities Verify Reconstruct Expand and Initialize run when there are active I O operations competing for the X24 Subsystem s CPU The choices are High default Medium Low For exam...

Страница 65: ...low you to remove and replace drives while FC device port activity continues However you may still want to pause I O if you are replacing more than one disk drive The Hot Swap Pause option suspends activity on all device channels used in the X24 Subsystem thereby ensuring data integrity on the connected drives and arrays Caution Pausing I O halts active I O to the host Note If you are not sure tha...

Страница 66: ...bsystem Utilities Configuration Utilities Save Config File The Save Config File page displays 2 Click Save Configuration File to save the current X24 Subsystem configuration to a file on the host system or anywhere on your network The File Download window displays 3 Select Save this file to disk and click OK The Save As window displays 4 Navigate to where you want to save the file and enter the fi...

Страница 67: ...the file is restored you must reconnect to the X24 Subsystem using one of the new IP addresses Use Restore File IP Addresses Restores the configuration file to the X24 Subsystem that SAM is currently connected to and changes the IP addresses to those contained in the configuration file Use this to restore a configuration file to the current X24 Subsystem whenever the IP addresses in the configurat...

Страница 68: ...hange the settings that are critical to your configuration You can also view all of your current settings and a compare them to the default settings Restore Defaults does not affect any settings related to arrays or partitions This restores all configuration settings except Management CAPI LUN IP settings addresses subnet mask and gateway Device port link speeds To see a list of the current settin...

Страница 69: ...o the software package file and select it 4 Click Open The Load Software page displays 5 Click Load Software Package File If the system finds a problem with the file it displays a message at the top of the page To resolve the problem try the following Select the file again be sure that you select the software package file that you downloaded from the Web site Download the file again in case it got...

Страница 70: ...RS 1600 X24 User Guide 52 ...

Страница 71: ...ble changes to SMART see page 55 Blink a drive LED see page 56 Take down a disk drive see page 56 Test a disk drive see page 57 For EMP enclosures you can Change the EMP LUN see page 57 Change additional EMP settings see page 58 6 1 Managing Disk Drives SAM lets you control a variety of functions related to disk drives You should also refer to your disk drive or enclosure documentation for informa...

Страница 72: ...d or malfunctioned it may not be listed To view drive status 1 From SAM select Manage X24 Subsystem Status Disk Drive Status The Disk Drive Status page displays listing all arrays 2 Select the array whose disk drive status you want to see 6 1 2 Clearing Metadata from a Disk Drive All of the member disk drives in an array contain metadata in the first sectors The X24 Subsystem uses the metadata to ...

Страница 73: ... encounter an internal error resulting in lost data To change the write back cache setting 1 From SAM select Manage X24 Subsystem General Config Disk Configuration The Disk Configuration page displays 2 Select the Write back Cache option you want 3 Click Change Disk Option Configuration 4 Select Manage X24 Subsystem Utilities and click Rescan to have your changes take effect 6 1 4 Displaying Disk ...

Страница 74: ...k drive whose LED you want to blink 3 Click Blink Selected Device LED The disk drive continues blinking its LED until you click Unblink Selected Device LED 6 1 7 Taking Down a Disk Drive Caution This function is only for testing and could result in data loss It should not be used in normal operation The Down Drive function sets the status of a disk drive in a fault tolerant array to down This forc...

Страница 75: ...ure power supply and fan status and the presence or absence of disk drives The X24 Subsystem can also tell the EMP about RAID activities such as disk drive rebuilds and failed disk drives If you have only one EMP the configuration settings are automatically enabled when the X24 Subsystem is installed No changes are required to the default configuration settings to support the EMP If you have more ...

Страница 76: ...4 EMP LUNs panels display the current LUN for each EMP Each EMP has an EMP number that the X24 Subsystem assigns sequentially whenever it starts 2 Select the LUN you want for each EMP 3 Click Update EMP Configuration 6 2 2 Changing the Additional EMP Setting You can change four additional EMP settings EMP Polling Rate This is the interval in seconds that the X24 Subsystem polls the EMPs for status...

Страница 77: ...a fault is indicated on the Ops Panel please refer firstly to Table 7 2 and then to the section referenced within that table 7 1 1 Initial Start up Problems 7 1 1 1 Faulty Cords First check that you have wired up the Subsystem correctly Then if cords are missing or damaged plugs are incorrect cords are too short Call your supplier for a replacement 7 1 1 2 Alarm Sounds On Power Up Please refer to ...

Страница 78: ... cables are securely fitted Check the maximum cable length has not been exceeded 7 2 LEDs Green LEDs are always used for good or positive indication flashing Green Amber if non critical conditions exist Amber LEDs indicate there is a critical fault present within the module 7 2 1 Power Supply Cooling Module The Power Supply Cooling LEDs are shown in Table 7 1 Under Normal conditions the LEDs shoul...

Страница 79: ... When the Audible Alarm sounds it may be muted by pressing the Alarm Mute push button Automatic muting will take place after two minutes if the mute switch is not manually operated The Alarm Mute push button is located above the indicators on the Ops Panel see Figure 7 1 When the alarm is muted it will continue to sound with short intermittent bleeps to indicate that a problem still exists It will...

Страница 80: ...ll functions good On On Off PSU LEDs or Fan LEDs Any PSU fault or Fan fault On On Flash Over or Under temperature On Off On ESI LED on LRC ESI processor A Failed On Off On ESI LED on LRC ESI processor B Failed On Off On None Unknown invalid or mixed LRC module type installed or I2C Bus Failure inter ESI processor or Backplane autostart watchdog failed On Flashing Flashing PSU Removed PSU removed a...

Страница 81: ...tions on the drives carriers If none are evident then there may either be an ESI processor problem or a Backplane problem 3 Change the Ops Panel module see 7 12 2 Symptom Cause Action 1 Ops Panel FAULTLED AMBER 2 An AMBER LED on one or more Power Supply Cooling Modules 3 Audible Alarm Sounding 1 Any power fault 2 A fan failure 3 A thermal condition which could cause PSU overheating 1 Check Power O...

Страница 82: ...process is for the fans to automatically increase in speed when a thermal threshold is reached This may be caused by higher ambient temperatures in the local environment and may be perfectly normal Note This threshold changes according to the number of drives and power supplies fitted 1 Check the installation for any airflow restrictions at either the front or rear of the enclosure A minimum gap o...

Страница 83: ...internal temperature measured in the airflow through the enclosure exceeds a pre set threshold a thermal alarm will sound 1 Check local ambient environment temperature is below the upper 40 C specification 2 Check the installation for any airflow restrictions at either the front or rear of the enclosure A minimum gap of 25mm at the front and 50mm at the rear is recommended 3 Check for restrictions...

Страница 84: ...ce a faulty drive with a drive of the same type and capacity All drive bays must be fitted with a Drive Carrier module or a dummy carrier module in order to maintain a balanced air flow All the supplied plug in power supply units electronics modules and blank modules must be in place for the air to flow correctly around the cabinet 7 7 Continuous Operation During Replacement Depending on how the S...

Страница 85: ...h time you finish using it 7 9 Host Fibre Channel Problems Problem The host system does not see the X24 Subsystem Verify in the Monitor X24 Subsystem Status FC Port Status page or in the Disk Array Administrator the CTRL E CFG Info screen that the host channel FC World Wide Name is valid Verify that the port ID is active and a valid arbitrated loop port address AL_PA is assigned Verify the array L...

Страница 86: ...nt actual capacities The backoff percentage affects all arrays created on the X24 Subsystem after you set the percentage If the drives in an array are not equal in size the array capacity in a RAID 5 array is based on the smallest member s capacity The backoff percentage is then taken off the capacity from that amount 7 10 1 Changing the Backoff Percent Using SAM To change the backoff percentage 1...

Страница 87: ...he power supply unit Danger of electric shock inside Return the PSU to your supplier for repair 7 12 1 1 Removing a PSU Module Warning Do not remove the faulty Power Supply Cooling module unless you have a replacement unit of the correct type ready for insertion If a power supply unit or its fan is faulty you must replace the whole Power Supply Cooling module As there should always be two power su...

Страница 88: ...ally closing the PSU handle see Figure 7 4 A click should be heard as the handle latches engage see Figure 7 2 4 Connect the power supply cord to the power source and switch the power supply ON Note The alarm will sound until the new Power Supply Cooling module is operating correctly Figure 7 2 Removing Inserting a Power Supply Cooling Module 1 ...

Страница 89: ...X24 Troubleshooting 71 Figure 7 3 Removing a Power Supply Cooling Module 2 Figure 7 4 Removing a Power Supply Cooling Module 3 ...

Страница 90: ... remove this module unless a replacement can be immediately added The system must not be run without all modules in place Note As there should always be two SM modules installed you can continue working while replacing the faulty module 1 Ensure that you correctly identify the faulty module from the two modules installed 2 Using two hands grasp each latch between the thumb and forefinger of each h...

Страница 91: ...osition slide the LRC module into the enclosure until the latch engages automatically 2 Cam the module home by manually closing the latches see Figure 7 7 3 A click should be heard as the latch engages Figure 7 6 Removing a Storage Manager Module 2 Figure 7 7 SM Module Latch Operation ...

Страница 92: ...mperature sensing devices Battery Assembly SM Feature Code RS 1600 X24 Batt Caution If this equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired ESD Precautions It is recommended that you fit and check a suitable anti static wrist or ankle strap and observe all conventional ESD precautions when handling plug in modules and compone...

Страница 93: ...pped prior to removal 1 Release the carrier handle by pressing the latch in the handle towards the right Note The anti tamper lock must be off 2 Gently withdraw the Drive Carrier module approximately1 inch 25mm and wait 30 seconds 3 Withdraw the module from the drive bay and fit a replacement module in accordance with the instructions in the RS 1600 X24 Getting Started Manual P N 44521 01A 7 13 Pr...

Страница 94: ...continuously puts out garbage characters The likely cause of this problem is a baud rate mismatch between the terminal emulator and the X24 Subsystem The default baud rate is 115 200 Follow these steps if you set your terminal emulator to this rate and still get garbage characters 1 If you are able shut down both SMs For information about restarting the SMs refer to the X24 Subsystem Getting Start...

Страница 95: ...low control and works properly in most cases with no flow control Problem Screen looks correct but clock is not being updated Check to be sure that the X24 Subsystem is still powered on If you are using XON XOFF press the CTRL key and Q key simultaneously to start data flowing Problem Screen is updated and menus appear correctly but boxes around menus look incorrect Try a different font in your te...

Страница 96: ...has been detected Replace the battery see section 7 12 5 on page 74 BOOT ONLINE FAIL During startup the system attempted to put the specified module online This operation failed The event gives a reason why the Put Online failed Examine this reason and take the appropriate action If the reason is DIAGNOSTIC FAIL a hardware problem was found with the module In this case try replacing the module wit...

Страница 97: ...e been replaced or moved while the system was powered off One or both SM modules have had their flash configuration cleared this is where the previously used WWNs are stored This SM module recovers from this situation by using WWNs based on its own serial number If you see this event then you need to verify the WWN information for this SM module on all hosts that access it REPLACE BATTERY The batt...

Страница 98: ...he arrays assigned to this data are not present Either determine which drives are missing and reinstall them or select Yes when asked if you want to discard this data VOLT TEMP WARN The analog to digital convertor monitored a temperature or voltage in the warning range Check that the X24 Subsystem s fans are running Check that the ambient temperature is not too warm Check for any obstructions to t...

Страница 99: ...quires a greater amount of hardware software to be operational than for the single controller serial port case Therefore in some product failure scenarios the combined logs will potentiality have some holes in the debug data and it will also be necessary to review the single controller logs Use the following procedure to collect all three logs 7 16 2 Collecting Debug Logs For most problem scenario...

Страница 100: ...To File to use your browser s file save capabilities to save the log in the location you prefer 5 Name the file to include date bug number or problem name and some indication that this is a combined log e g 20030113_bug 123_Combined logs 7 16 2 2 Disk Array Administrator on Controller A Utilities Menu 1 Start a data capture session on your terminal emulator program in Hyperterm this is the Transfe...

Страница 101: ...bug Configuration To view the debug log 1 From SAM select Manage X24 Subsystem Utilities View Debug Log The View Debug Log page displays 2 Select the viewing options you want 3 Click Load Reload Debug Log 7 16 5 Using the Disk Array Administrator to Set Up Debug Logging You can view a debug log by pressing Ctrl E Pressing Ctrl E toggles you through the event log debug log hardware information and ...

Страница 102: ...ts the error which is recorded in the event log Table 7 6 lists some of the most common SCSI sense key descriptions in hexadecimal Table 7 7 lists the descriptions for the most common sense codes ASC and sense code qualifiers ASCQ all in hexadecimal Refer to the SCSI Primary Commands 2 SPC 2 Specification for a complete list of ASC and ASCQ descriptions Table 7 6 Common sense key descriptions Sens...

Страница 103: ...oo long to correct 11 03 Multiple read errors 11 04 Unrecovered read error auto reallocation failed 11 0B Unrecovered read error recommend reassignment 11 0C Unrecovered read error recommend rewrite the data 47 00 01 FC CRC error 48 00 Initiator detected error message received Table 7 8 Disk channel error codes Error Code Description Abort LkDn I O request was aborted because of third party loop i...

Страница 104: ...y cause the unit to overheat 4 Try replacing each Power Supply Cooling module one at a time 5 Replace the SM modules one at a time 7 20 Slow Write Performance This can be caused by powering down the enclosure without first shutting down the controllers The battery must be greater than 90 charged for write back cache to be enabled QueueFull Target reported queue full status Stat 04 Data overrun or ...

Страница 105: ...ly read at Power On The X24 enclosure ID must always be set to select ID1 2 Remove the existing LRC modules in accordance with the procedure in 7 12 3 1 Removing the Module on page 72 3 Install the Storage Manager modules in accordance with the procedure in 7 12 3 2 Inserting the Module on page 73 Chassis including Backplane RS232 cable AC Power Supply Cooling Module LAN cable Drive Carrier Module...

Страница 106: ...usage at 2Gb s Switch Number Function Recommended Setting Definition 1 Loop Select Dual 2x8 Off LRC operates on two loops of 8 drives Mandatory 2 Not Used Note on RS 1600 FC2 enclosures this must be set On 3 Not Used 4 Not Used 5 6 Not Used 7 8 Drive Loop Speed Select Sw7 Sw8 On Off Force 2Gb s Off Off Force 1Gb s 9 10 Drive Addressing Mode Selection Sw9 Sw10 On Off Mode 2 2x8 mode Mandatory 11 SO...

Страница 107: ...irtual disk has advantages in fault tolerance cost performance or a combination of these This section explains the different array types and the disk requirements for each type Tip Choosing the right RAID level for your needs will improve performance The following are examples of storage needs and appropriate RAID level X24 RAID controllers also provide methods of tracking statistical data to aid ...

Страница 108: ...both disks in a pair containing the same data When data is written to a mirrored array it is written twice once to each disk in the pair A RAID 1 array has only one set of paired disks A RAID 10 array has multiple pairs across which data is striped The read performance of RAID 1 arrays can be much better than that of a single disk while the write performance is slightly lower In RAID 10 arrays bot...

Страница 109: ...nce is lower than that of a RAID 0 array because write operations involve calculating and writing new parity data as well as writing the new user data A 1 6 RAID 50 RAID 50 arrays are made up of two or more RAID 5 arrays across which data is striped RAID 50 arrays contain redundant information in the form of parity data which is calculated block by block for all user data As in a RAID 5 array the ...

Страница 110: ... dedicated parity drive Excellent performance for large sequential data requests Not well suited for transaction oriented network applications single parity drive does not support multiple concurrent write requests RAID 4 Not widely used 3 Block level data striping with dedicated parity drive Data striping supports multiple simultaneous read requests Write requests suffer from same single parity d...

Страница 111: ...city use disks of similar size Important The manufacturer does not support mixing of different models or manufacturer s of drives in the same enclosure RAID 10 Also known as mirrored 4 Combination of RAID 0 data striping and RAID 1 mirroring Highest performance and data protection can tolerate multiple drive failures High redundancy cost overhead because all data is duplicated twice the storage ca...

Страница 112: ...RS 1600 X24 User Guide 94 ...

Страница 113: ... or the Ethernet port connections on the SMs You must connect a computer with terminal emulator software to the serial or Ethernet port Each SM has one RS 232 and one Ethernet port You have access to all host and disk ports on all installed LRC I O modules from either SM However you can only manage arrays and dedicated spares from the SM where the array was created that is each SM can only see its...

Страница 114: ...k Array Administrator Using the RS 232 Serial Port You can access the Disk Array Administrator software using the RS 232 serial port You must use a straight through serial cable You cannot use a null modem cable Configure the RS 232 port in your terminal emulator software using the following settings Set the communications parameters for the terminal program as follows Setting Value Terminal Emula...

Страница 115: ...r screen displays If any events have occurred each event displays Informational events scroll by automatically Warning events yellow text on a black background and error events white text on a red background display until you press Enter or Esc Once all the events display the initial screen displays The initial screen alternates between displaying the date time and temperature and the model number...

Страница 116: ...rotocol and serial port protocol In addition such programs support the color display from the Disk Array Administrator You can configure a variety of settings for the Ethernet connection For more information see H 2 Configuring the LAN Settings on page 214 B 2 1 Using the Ethernet Port for the First Time Before you can access the Disk Array Administrator software you must set the IP address and su...

Страница 117: ...n see H 2 Configuring the LAN Settings on page 214 To access the Disk Array Administrator software using the Ethernet port and the Telnet utility 1 Set up the IP address and subnet mask as described in B 2 1 Using the Ethernet Port for the First Time on page 98 2 At the DOS or UNIX prompt enter telnet and press Enter The exact steps for your Telnet program may be different The remaining steps work...

Страница 118: ...rning events yellow text on a black background and error events white text on a red background display until you press Enter or Esc Once all the events display the initial screen displays The initial screen alternates between displaying the date time and temperature and the model number of your X24 Subsystem You can bypass all events by pressing Tab However events provide valuable information abou...

Страница 119: ...eyboard Table 2 1 describes the primary navigation and selection methods Table 2 1 Disk Array Administrator navigation To Do this Select a menu item Press the or and press Enter or Press the letter that is a different color or highlighted in a menu item hot key Return to the previous menu or screen without saving your changes Press Esc CTRL Z or Scroll through the available choices for a setting P...

Страница 120: ...s shown on the System Menu Table 2 2 lists the keystrokes required to change various screen displays Table 2 2Changing screen displays Select Function Ctrl A Toggles between ANSI and VT100 character sets use VT100 for legacy systems Ctrl B Toggles between black and white and color Ctrl E Toggles between the event log hardware information and configuration information screens Ctrl H Toggles between...

Страница 121: ...st Add Host List Remove Host from List Change Infoshield Type View Statistics Reset Statistics Verify Function Start Verify View Verify Status Abort Verify Expand Function Start Expand View Expand Status Array Menu 1 7 Array Status Drive Status Abort Initialization Verify Function Expand Function Add Spare Delete Spare Change Array Name Trust Array Switch Array Owner Partition Menu Add a Partition...

Страница 122: ...P Set HTTP Settings Contact Settings Security Options Option Configuration Cache Lock Battery Enable Trust Array Dynamic spare Configuration EMP Settings Poll Rate Temperature Slot Flags Global Flags Channel Configuration Link speed Initiator ID Host Configuration Topology Link Speed Target ID CAPI LUN Set Date Time Set Time Set Date Utilities Menu Rescan Hot Swap Pause Hardware Information Debug ...

Страница 123: ...You can create arrays from either SM A or SM B Arrays you create from one SM are not visible through the RS 232 or Ethernet port of the other SM However all unused disk drives connected to all LRC I O modules and all pool spares are available to both SMs The maximum size for any array is 2 TB Table 3 1 describes the drive requirements for each RAID level Table 3 1 Drive requirements by RAID level ...

Страница 124: ...single LUN As a multiple partition array an array that can have one or more partitions with each partition assigned its own LUN For more information about partitions see C 3 1 Understanding Partitions on page 133 C 1 1 Creating a Single Partition Array You can create an array that has just one partition Once you create a single partition array you cannot add more partitions Single partition arrays...

Страница 125: ... SM be set to a higher value than all array LUNs Before creating your first array change the CAPI LUN to a higher value If you are using a custom software application to configure and manage the controller this application uses CAPI to communicate with the X24 you must have a CAPI LUN If you are not using a custom application and therefore are not using CAPI select NONE as the CAPI LUN This allows...

Страница 126: ...ep 7 If you selected any array type other than RAID 50 the Number of Drives screen displays 6 Enter the number of drives excluding spares you want in the array and press Enter The Select Drives screen displays The list includes all available drives that is drives that are not members of an array and are not assigned as a dedicated or pool spare on either SM The screen includes the following inform...

Страница 127: ... and you have one or more drives left the Number of Spares screen displays 8 If the Number of Spares screen displays enter the number of spares you want to add and press Enter This creates dedicated spares that can only be used by this array A dedicated spare drive will not be available for any other use If you do not want a dedicated spare enter 0 The Select Drives screen displays 9 If the Select...

Страница 128: ...size refer to your operating system documentation For example the default chunk size for Windows NT and many other operating systems is 64 KB If you are using the array for a database with very small records you may want to use a smaller chunk size If the array you are creating is a RAID 3 RAID 4 RAID 5 RAID 50 or Mirrored the Array Init Options screen displays The current option has an next to it...

Страница 129: ...nd later can recognize new devices by typing the command SCAN FOR NEW DEVICES at the console prompt Other operating systems might have similar features C 1 2 Creating a Multiple Partition Array You can create an array that is set up for more than one partition Note Once you create a multiple partition array you must create at least one partition before you can use the array See C 2 3 Adding a Part...

Страница 130: ...eated when there are more than two drives in a mirrored array See Array Basics on page 89 for more information If you selected RAID 50 as the array type the Select RAID 50 Array Size screen displays not shown with all possible configurations for the array and drive combinations Select the configuration you want press Enter and skip to step 7 If you selected any array type other than RAID 50 the Nu...

Страница 131: ...creen displays shown below The list includes all available drives that is drives that are not members of an array and are not assigned as a dedicated or pool spare on either SM Loop ID for each channel shows a single ported drive Size Vendor Model serial number or node and WWN press T to toggle the display Rev firmware revision Usage ...

Страница 132: ...d you have one or more drives left the Number of Spares screen displays 7 If the Number of Spares screen displays enter the number of spares you want to add and press Enter This creates dedicated spares that can only be used by this array A dedicated spare drive will not be available for any other use If you do not want a dedicated spare enter 0 The Select Drives screen displays 8 If the Select Dr...

Страница 133: ...refer to your operating system documentation For example the default chunk size for Windows NT and many other operating systems is 64 KB If you are using the array for a database with very small records you may want to use a smaller chunk size If the array you are creating is a RAID 3 RAID 4 RAID 5 RAID 50 or Mirrored array the Array Init Options screen displays The current option has an next to i...

Страница 134: ...page 121 Note Most operating systems such as Windows NT 4 0 require you to restart the host system to see the new array Windows 2000 can recognize new LUNs by selecting Refresh from the Computer Management Window NetWare v3 12 and later can recognize new devices by typing the command SCAN FOR NEW DEVICES at the console prompt Other operating systems might have similar features C 2 Managing Arrays ...

Страница 135: ...ves in the array when fault tolerant For example if a three drive RAID 5 array loses one drive the number will still display 3 Number of drives per subarray For RAID 50 only number of drives in each underlying RAID 5 array Number of spare drives Number of spare drives dedicated to this array Size Size of the entire array expressed in MB or GB for arrays larger than 10 GB Chunk size Array s chunk s...

Страница 136: ...S 1600 X24 User Guide 118 2 Select the array you want and press Enter The array menu displays 3 Select Array Status and press Enter The status screen displays showing the status of the array you selected ...

Страница 137: ...ve as a dedicated spare Channel number Back end disk bus number Channel ID Size Size of the drive in MB Usage If part of an array this displays the array name and member number If a spare this displays the type of spare If unused this displays Available If the drive was part of an array that no longer exists this displays Leftover Note If a drive has failed or malfunctioned it may not be listed To...

Страница 138: ...If you find that you need to change the disks or some other array configuration you can stop the array initialization process Caution If you stop the initialization process the array goes offline and its data is not available to users You must delete the array before you can use the drives in another array To stop the array initialization process 1 From the System Menu select Array Menu and press ...

Страница 139: ...ding Partitions on page 133 To add a partition 1 From the System Menu select Array Menu and press Enter The Select Array screen displays with a list of existing arrays 2 Select the multiple partition array you want and press Enter The array menu displays 3 Select Add a Partition and press Enter The Select Free Partition screen displays with a list of free partitions A free partition is free space ...

Страница 140: ... Enter The Partition Name screen displays 6 Enter a name for the partition and press Enter You can use up to 20 characters You can include any characters in the name including spaces If you do not want to name the partition you can just press Enter You can add or change the name later ...

Страница 141: ...ot using CAPI select NONE as the CAPI LUN This allows your first array to be seen at LUN 0 The system warns you about the LUN for UNIX and Macintosh as above the first time you create a partition Press Enter and the system asks if you want to be warned again Select No to avoid receiving this warning again otherwise select Yes to be warned the next time you create a partition The system confirms th...

Страница 142: ...nter The Select Array screen displays with a list of existing arrays 2 Select the array you want and press Enter The array menu displays 3 Select Verify Function and press Enter The verify menu displays 4 Select Start Verify and press Enter Verification begins and the percentage of verification completed displays You can continue to use the array during verification ...

Страница 143: ...select Array Menu and press Enter The Select Array screen displays with a list of existing arrays 2 Select the array you want and press Enter The array menu displays 3 Select Verify Function and press Enter The verify menu displays 4 Select View Verify Status and press Enter The verify menu displays 5 Press Esc to return to the verify menu C 2 4 2 Stopping the Verification You can stop the verific...

Страница 144: ...spare see E 1 1 Adding a Dedicated Spare on page 168 and E 2 Enabling Dynamic Spares on page 169 or as a pool spare see E 3 1 Adding a Spare to the Spare Pool on page 171 Remember that any pool spares added might be used by any critical array not necessarily the array you want C 2 6 Expanding Array Capacity You can expand array capacity without stopping I O activity so you can continue using the a...

Страница 145: ...ubsystem To expand an array 1 From the System Menu select Array Menu and press Enter The Select Array screen displays with a list of existing arrays 2 Select the array you want and press Enter The array menu displays 3 Select Expand Function and press Enter The expand menu displays 4 Select Start Expand and press Enter The Number of Drives screen displays Table 3 2 Drive additions by RAID level RA...

Страница 146: ...o add and press Enter The Select Drives screen displays 6 Select the drives you want to add from the list of available drives and press Enter Only available drives that is drives that are not members of an array and are not assigned as dedicated or pool spares display ...

Страница 147: ...press Enter The Select Array screen displays with a list of existing arrays 2 Select the array you want and press Enter The array menu displays 3 Select Expand Function and press Enter The expand menu displays 4 Select View Expand Status and press Enter The Expand Status screen displays 5 Press Esc to return to the expand menu C 2 7 Changing an Array Name You can change the name of an array This d...

Страница 148: ...C 3 5 Changing a Partition LUN on page 141 C 2 9 Trusting an Array You can use the Trust Array function to bring an array back online by re synchronizing the time and date stamp and any other metadata on a bad disk This makes the disk an active member of the array again You might need to do this when One or more disks of an array start up more slowly or were powered on after the rest of the disks ...

Страница 149: ...tem confirms that you want to trust the array 9 Select Yes and press Enter The array will be back online Note If the array does not come back online it may be that too many members are offline or the array may have additional failures on the bus or enclosure that Trust Array cannot fix C 2 10 Deleting an Array You can delete an array when you no longer need the array or you need the drives for ano...

Страница 150: ...RS 1600 X24 User Guide 132 2 Select the array you want to delete and press Enter The system asks you to confirm the deletion 3 Select Yes and press Enter ...

Страница 151: ...izes the amount of disk space allocated to parity and spares compared to the space required if you created five or six smaller RAID 5 arrays Once you set up an array for multiple partitions you must create each partition by setting the partition size and assigning the partition a LUN You can also give each partition a name We recommend assigning names that indicate how the partition will be used F...

Страница 152: ... add a partition or expand the last partition to use the new free space You can also delete one or more partitions and expand a partition into the space C 3 2 Viewing Partition Status Information You can perform three functions related to partition status information View partition status see page 134 View partition statistics see page 136 Reset partition statistics see page 138 C 3 2 1 Viewing Pa...

Страница 153: ...Partitions Menu 1 From the System Menu select Array Menu and press Enter The Select Array screen displays with a list of existing arrays 2 Select the array you want and press Enter The array menu displays 3 Select Partition Menu and press Enter The Select Partition screen displays with a list of existing partitions for the current array 4 Select the partition you want and press Enter The partition...

Страница 154: ... requests directed to the partition Write Total number of host write requests directed to the partition SecRd Total number of sectors read from the partition SecWt Total number of sectors written to the partition Queue Depth Current number of commands from the host that are queued up I O Size Last host I O block size request in 512 byte sectors Similar statistics are also available on an aggregate...

Страница 155: ...ss Enter The Select Array screen displays with a list of existing arrays 2 Select the array you want and press Enter The array menu displays 3 Select Partition Menu and press Enter The Select Partition screen displays with a list of existing partitions for the current array 4 Select the partition you want and press Enter The partition menu displays 1 From the System Menu select All Partitions Menu...

Страница 156: ...cs here also resets the statistics for this partition that are included in the aggregate statistics See D 7 Displaying Overall Statistics on page 165 You may want to reset the statistics if you are monitoring performance or doing benchmark testing You may also want to reset statistics when you change how you are using the partition Note You cannot reset the queue depth value It always reflects the...

Страница 157: ...ion about partitions see C 3 1 Understanding Partitions on page 133 From the Array Menu From the All Partitions Menu 1 From the System Menu select Array Menu and press Enter The Select Array screen displays with a list of existing arrays 2 Select the array you want and press Enter The array menu displays 3 Select Partition Menu and press Enter The Select Partition screen displays with a list of ex...

Страница 158: ...rray menu displays 3 Select Partition Menu and press Enter The Select Partition screen displays with a list of existing partitions for the current array 4 Select the partition you want and press Enter The partition menu displays 1 From the System Menu select All Partitions Menu and press Enter The Select Partition or Free Area screen displays with a list of existing partitions and free space 2 Sel...

Страница 159: ...r X24 Subsystem see G 4 Understanding LUNs and Viewing LUN Information on page 196 To change a partition LUN 1 Display the partition menu 2 Select Change LUN and press Enter The New LUN screen displays 3 Enter the LUN you want to use and press Enter The system confirms that you want to make the change 4 Select Yes and press Enter From the Array Menu From the All Partitions Menu 1 From the System M...

Страница 160: ...l if the host is triggering read ahead for what are random accesses This can happen if the host breaks up the random I O into two smaller reads triggering read ahead You can use the partition statistics read histogram to determine what size accesses the host is doing Setting the read ahead size to a very large size say four to five stripes worth can help improve the performance of multiple three o...

Страница 161: ...ack cache is enabled For most applications this is the best setting Note This feature is intended for advanced users only You may hinder your system s performance if used incorrectly If you are writing large chunks of sequential data as would be done in video editing telemetry acquisition or data logging you might want to experiment with disabling the write back cache You may see large performance...

Страница 162: ...re of on the SAN and you can give each WWN a nickname of your own This makes working with the InfoShield feature faster and easier You set up InfoShield by either excluding or including hosts on a list for each partition LUN The list can include or exclude up to 16 specific hosts or all hosts for each partition LUN From the Array Menu From the All Partitions Menu 1 From the System Menu select Arra...

Страница 163: ... X24 Subsystem saves the WWN information for the host and retains the information even after you restart the X24 Subsystem The list includes the last 16 hosts that started or that you named You can determine which WWN is for which host by starting one host at a time or scanning for devices from a host and then viewing the WWN list The host that scanned for devices most recently is first on the lis...

Страница 164: ...foShield screen displays 2 Select Display Host List and press Enter The Display Host List screen displays showing the last 16 WWNs known to the X24 Subsystem The WWNs are listed according to when they scanned for devices The host that scanned for devices most recently is listed first ...

Страница 165: ...for which host by starting one host at a time or scanning for devices from a host and then viewing the WWN list The host that scanned for devices most recently is first on the list You can name up to 63 hosts but you can only view the last 16 hosts that started or that you named The list of 16 changes as you name hosts or as hosts restart The nicknames are stored on the SMs so if you change SMs yo...

Страница 166: ...n use any combination of characters and spaces C 3 8 3 Configuring InfoShield Once you set up host nicknames you can easily set up your InfoShield This is where you determine which hosts can access each partition LUN You set up InfoShield by either excluding or including hosts on a list for each partition LUN The list can include or exclude up to 16 specific hosts or all hosts for each partition L...

Страница 167: ...nu From the All Partitions Menu 1 From the System Menu select Array Menu and press Enter The Select Array screen displays with a list of existing arrays 2 Select the array you want and press Enter The array menu displays 3 Select Partition Menu and press Enter The Select Partition screen displays with a list of existing partitions for the current array 4 Select the partition you want and press Ent...

Страница 168: ...the list Your existing list is retained and you can display add or remove hosts from the list Include Listed Hosts Lets you enter or select the WWNs of the specific hosts you want to be able to access the selected partition The list of WWNs and nicknames that displays contains only the last 16 hosts that started or that you named If you know other WWNs or names you can enter the WWN or nickname Ex...

Страница 169: ...e You cannot delete a partition while any utility Initialize Verify Expand or Reconstruct is running on the array You must stop the utility if allowed or let it finish before you can delete the partition To delete a partition 1 Display the partition menu 2 Select Delete This Partition and press Enter The system asks you to confirm the deletion 3 Select Yes and press Enter The Delete Partition opti...

Страница 170: ...RS 1600 X24 User Guide 152 ...

Страница 171: ...ystem and Disk Array Administrator software let you monitor the status several ways X24 Subsystem LEDs refer to Figure 4 1 Event log see page 154 Module status screens see page 158 Hardware and configuration information screens see page 159 Complete event hardware and configuration capture see page 164 Drive error statistics see page 164 Overall Statistics screen see page 165 Array status screen s...

Страница 172: ...t recent 400 events Events have a time stamp next to them with one second granularity Note If you are having a problem with the X24 Subsystem or an array check the event log before calling technical support Event messages may let you resolve the problem without calling You can view the event information three ways Most recent event One event at a time most recent event first Full screen of events ...

Страница 173: ...at a time The events display in reverse chronological order that is the most recent event is first If an event displays several parameters you can see all of them when you view the log one event at a time When you view a whole screen of events some parameters may be truncated To view one event at a time 1 From the System Menu select Event Log Menu and press Enter The Event Log Menu displays 2 Sele...

Страница 174: ... quickly review all recent events The events display in chronological order that is the most recent event is last When you view a whole screen of events some parameters may be truncated If an event displays several parameters you can see all of them when you view the log one event at a time To view a whole screen of events 1 From anywhere in the Disk Array Administrator software press CTRL E until...

Страница 175: ...t to print the log or attach it to an e mail message The steps below use HyperTerminal as the terminal emulator software If you use a different terminal emulator your procedure may be different To capture the event log file 1 With HyperTerminal up and running as your RS 232 interface terminal press CTRL E until the event log displays 2 From the Transfer menu in HyperTerminal select Capture Text Th...

Страница 176: ...r SM D 3 Displaying Module Status Information You can display status information about each of the modules in your X24 Subsystem LRC I O modules Power Supply Cooling modules two To display module status information 1 From the System Menu select Other Controller Menu and press Enter The Other controller Menu screen displays 2 Select the operation you want to perform 3 Press Esc to return to the man...

Страница 177: ...ion information per SM Group Field What displays Field What displays HOST 0 HOST 1 Active Channel Speed 1 Gb s or 2 Gb s as set in the Disk Array Administrator software Topology Loop or Point to Point as set in the Disk Array Administrator software Node WWN FC World Wide Name for node Port WWN FC World Wide Name for port Loop ID SOFT or a specific number as set in the Disk Array Administrator soft...

Страница 178: ...t status of the X24 Not Failed Over or Failed Over A A Version Version of the active active software Backoff Percentage set in Disk Array Administrator software 1 is the default and recommended value Utility Pri HIGH MED or LOW utility priority as set in Disk Array Administrator software Alarm Mute ON or OFF as set in Disk Array Administrator software Battery ENABLED or DISABLED as set in Disk Arr...

Страница 179: ...he Configuration Application Programming Interface FC LIB Version Version of the FC software EMP Poll Rate Number of seconds as set in the Disk Array Administrator software Temperature ON or OFF as set in Disk Array Administrator software Slot flags ON or OFF as set in Disk Array Administrator software Global Flags ON or OFF as set in Disk Array Administrator software Table 4 1 Configuration infor...

Страница 180: ...guration information 1 From anywhere in the Disk Array Administrator software press CTRL E until the HW Info screen displays The HW Info screen displays Press U to page up or D to page down in the screen or use the other keys as listed at the bottom of the screen to navigate within the HW Info screen ...

Страница 181: ...n displays Press U to page up or D to page down in the screen or use the other keys as listed at the bottom of the screen to navigate within the CFG screen 3 Press CTRL E to display the next screen of configuration information or Esc to return to where you started from ...

Страница 182: ...and running as your RS 232 interface terminal from the System Menu select Utilities Menu and press Enter The Utilities Menu displays 2 From the Transfer menu in HyperTerminal select Capture Text The Capture Text window displays 3 Enter the path and file name you want to use to store the log file contents Save the file with a txt file extension 4 Click Start 5 Select Dump Debug Info and press Enter...

Страница 183: ...tion LUNs For more information see C 3 2 2 Viewing Partition Statistics on page 136 I O operations per second IOPS Bandwidth in millions of bytes per second Number of read operations Number of write operations Total sectors 512 bytes read Total sectors written Total current command queue depth across all LUNs Host read write histogram that shows how many host reads and writes fell into a particula...

Страница 184: ...l Statistics and press Enter The Overall Statistics screen displays 3 Select View R W Histogram and press Enter The View R W Histogram screen displays 4 Press Esc to return to the Overall Statistics screen D 7 1 Resetting Overall Statistics You can also reset all of the overall statistics back to zero You may want to reset the statistics if you are monitoring performance or doing benchmark testing...

Страница 185: ...f a drive in an array on either SM fails the X24 Subsystem can use a pool spare to reconstruct the array see page 170 In addition if you enable the Dynamic Spares option and a drive fails you can replace the drive and the SM will rescan the bus find the new disk drive and automatically start reconstruction of the array see page 169 The SM looks for a dedicated spare first If it does not find a pro...

Страница 186: ...re information about assigning spares when you create an array see C 1 Creating Arrays on page 105 Note You cannot add a spare that does not have enough capacity to replace the smallest member in the array To add a dedicated spare 1 From the System Menu select Array Menu and press Enter The Select Array screen displays with a list of existing arrays 2 Select the array you want and press Enter The ...

Страница 187: ...reconstruction If none is found it uses an available drive which the SM automatically assigns as a spare and starts reconstruction You must make sure that the new or available drive has enough capacity to replace the smallest member in the array and does not contain metadata see F 1 2 Clearing Metadata from a Drive on page 177 A change to this setting on either SM is automatically updated on the o...

Страница 188: ...will not affect the system The system confirms the change 6 Select Yes and press Enter E 3 Managing the Spare Pool The spare pool lets you have one or more disk drives available for the reconstruction of redundant arrays mirrored RAID 1 and RAID 10 and parity RAID 3 RAID 4 RAID 5 and RAID 50 Once you assign a drive to the spare pool it is not available for use as an array member or as a dedicated ...

Страница 189: ... display between the drive model number serial number and the node and WWN press T 3 Select each spare drive you want to add and press Enter E 3 2 Deleting a Spare from the Spare Pool You can delete a spare from the spare pool at any time To delete a spare from the spare pool 1 From the System Menu select Pool Spare Menu and press Enter The Pool Spare Menu displays 2 Select Delete Pool Spare and p...

Страница 190: ...RS 1600 X24 User Guide 172 ...

Страница 191: ...ee page 181 Blink a drive LED see page 182 Take down a drive see page 182 Test a drive see page 183 For EMP enclosures you can Change the EMP LUN see page 184 Change additional EMP settings see page 187 F 1 Managing Disk Drives The Disk Array Administrator software lets you control a variety of functions related to disk drives You should also refer to your disk drive or enclosure documentation for...

Страница 192: ...lay Utility running Expand Verify etc Array number The array s sequential position in the X24 Subsystem s array list Member number The drive s sequential position in the array Drives that are not members of any array are listed as Available Drives that contain leftover metadata from a previous array are listed as Leftover This situation can arise if drives are removed and reinserted or the drives ...

Страница 193: ... than one drive by selecting each drive and pressing B To toggle the display between the drive model number serial number and the node and WWN press T 2 Press Esc to return to the System Menu F 1 1 2 Viewing Drive Status You can view the status of the drives in an array including the following information Drive number The drive s sequential position in the X24 Subsystem s drive list Drive status W...

Страница 194: ...drive has failed or malfunctioned it may not be listed To view drive status 1 From the System Menu select Array Menu and press Enter The Select Array screen displays with a list of existing arrays 2 Select the array you want and press Enter The array menu displays 3 Select Drive Status and press Enter The drive status screen displays showing the drives that are members of the array and that are as...

Страница 195: ...array contain metadata in the first sectors of the drive The X24 Subsystem uses the metadata to identify array members after restarting or replacing an SM You can clear the metadata from a drive if you have a drive that was previously a member of an array Drives in this state display Leftover in the Display Drives screen After you clear the metadata you can use the drive in an array or as a spare ...

Страница 196: ...case of power failure If the drives are not on a UPS and power is lost during disk writes the array will lose any data in the disk s write back cache Caution We recommend that you disable disk write back cache Some drives delete their write back cache if they encounter an internal error resulting in lost data To change the write back cache setting 1 From the System Menu select Configuration Menu a...

Страница 197: ...us You can display the cache status of each disk drive Any disk drives with write back cache enabled should be connected to a UPS in case of power failure If the drives are not on a UPS and power is lost during disk writes the array will lose any data in the disk s write back cache To display disk cache status 1 From the System Menu select Utilities Menu and press Enter The Utilities Menu displays...

Страница 198: ...ct Display Drive Cache and press Enter The Select Drives screen displays 4 Select a drive and press Enter The cache status screen displays showing the status of the read and write cache 5 Press Esc to return to the Drive Utilities Menu ...

Страница 199: ...formation see D 2 Displaying the Event Log on page 154 On most drives SMART is disabled by default by the manufacturer A change to this setting on either SM module is automatically updated on the other SM module To enable or disable SMART changes 1 From the System Menu select Configuration Menu and press Enter The Configuration Menu displays 2 Select Disk Configuration and press Enter The Disk Con...

Страница 200: ...dministrator times out Repeat the blink LED command which toggles the blink LED command off 5 Press Esc to stop blinking the LED F 1 7 Taking Down a Drive Caution This function is only for testing and could result in data loss It should not be used in normal operation The Down Drive function sets the status of a drive in a fault tolerant array to down This forces the X24 Subsystem to remove it fro...

Страница 201: ... Test Unit Ready and press Enter The Select Drive screen displays 4 Select the drive you want and press Enter If the TUR was successful TUR STATUS OK displays If the TUR was not successful a failure message displays 5 Press Esc to return to the Drive Utilities Menu F 2 Managing Enclosures An enclosure management processor EMP is a device in the enclosure from which the X24 Subsystem can inquire ab...

Страница 202: ...I X24 You can also set it to NONE which tells the X24 Subsystem not to present a LUN for this EMP under the X24 Subsystem s target ID You can set LUNs for EMPs that you plan to add by assigning a LUN to the EMP ID you want to use The X24 Subsystem assigns EMP IDs sequentially each time it starts Note EMP LUN settings have no effect on the CAPI interface which always allows communication with all o...

Страница 203: ...ves Enclosures 185 3 Select EMP LUNs and press Enter The EMP LUNs screen displays 4 Select the EMP you want and press Enter The X24 Subsystem assigns EMP IDs sequentially when it starts The EMP LUN screen displays ...

Страница 204: ...er to make the change 7 Restart to have your changes take effect See G 1 1 Shutting Down and Restarting the Current SM Module on page 190 To Do this Not assign the EMP a LUN Select NONE and press Enter Keep the same LUN for the EMP at all times Select the LUN you want to use and press Enter This can be any number from 0 to 63 that is not already in use ...

Страница 205: ...on problems with the EMP The default setting is five seconds A change to this setting on either SM is automatically updated on the other SM To change the EMP settings 1 From the System Menu select Configuration Menu and press Enter The Configuration Menu displays 2 Select EMP Configuration and press Enter The EMP Configuration screen displays 3 Select EMP Settings and press Enter The Poll Rate scr...

Страница 206: ...RS 1600 X24 User Guide 188 ...

Страница 207: ...module see page 190 Change the date and time see page 192 View LUN information see page 196 Configure the FC disk channels see page 198 Change the alarm mute setting see page 200 Lock the cache setting see page 203 Enable or disable the battery see page 204 Change the utility priority see page 205 Rescan all channels see page 206 Pause I O see page 207 Restore the default settings see page 208 Upg...

Страница 208: ... for maintenance repair or a move See page 192 G 1 1 Shutting Down and Restarting the Current SM Module You may need to shut down and restart a SM module after making certain configuration changes The procedures say when you need to do this You should shut down a SM module before you remove it This shut down is the same as unlocking the handles on the SM module hardware to remove it Using the shut...

Страница 209: ...e other SM module This shut down is the same as unlocking the handles on the SM module hardware to remove it Using the shutdown from the Disk Array Administrator lets you see any messages related to the shut down You cannot see the messages when you unlock the hardware handles You should shut down both SM modules when you need to power down the whole system for maintenance repair or a move For mor...

Страница 210: ...h and press Enter The system confirms that you want to shut down 3 Select Yes and press Enter Both SMs shut down To restart both SM modules press Enter at the same time on both SM modules G 1 4 Other Controller Menu In addition to the previous shutdown menu other controller menu gives the ability to kill or unkill the other SM module as well as shut down the other or both SM modules Caution If the...

Страница 211: ...Configuring X24 193 3 Select Set Date and press Enter The Set Date screen displays 4 Enter the date you want and press Enter ...

Страница 212: ...enu select Configuration Menu and press Enter The Configuration Menu displays 2 Select Set Date Time and press Enter The Set Date Time screen displays 3 Select Set Time and press Enter The Set Time screen displays 4 Enter the time you want and press Enter Enter the time using a 24 hour clock in the following format hh mm ss The system confirms that you want to make the change 5 Select Yes and pres...

Страница 213: ...T Use this setting if you do not care whether the SM module s Loop ID changes when you power down and power up This setting lets the FC loop initialization process determine the Loop ID Any number between 0 and 125 Select a specific number if you want the Loop ID to stay the same after you power down and power up The Disk Array Administrator software cannot tell you which Loop IDs are available To...

Страница 214: ...hat are numbered zero through 63 There are three different types of LUNs CAPI EMP and partition You can view information about each LUN See G 4 1 Viewing LUN Information on page 197 The three types of LUNs have the following characteristics CAPI LUN Allows CAPI to configure the SM module Each X24 can have a CAPI LUN You only need to assign a CAPI LUN if you are using CAPI to configure the X24 over...

Страница 215: ... access to partitions on the SM module You can set partition LUNs to any numeric value from 0 63 For information about changing the partition LUN see C 3 5 Changing a Partition LUN on page 141 G 4 1 Viewing LUN Information You can view information for each existing LUN To view LUN information 1 From the System Menu select Utilities Menu and press Enter The Utilities Menu displays 2 Select LUN info...

Страница 216: ... FC disk channel Link speed This is the maximum speed the X24 Subsystem will attempt to negotiate You can set the speed to 1 GB second or 2 GB second The Link Speed setting is set on the Ops Panel switches as shown in Figure 7 1 and defined in Table 7 2 Caution All mandatory settings must be observed in order for the RS 1600 X24 system to function correctly ...

Страница 217: ...ot care whether the channel s initiator ID changes when you power down and power up This setting lets the FC loop initialization process determine the initiator ID Figure 7 1 Ops Panel LEDs and Switches Switch Number Function Recommended Setting Definition 1 Loop Select Dual 2x8 Off LRC operates on two loops of 8 drives Mandatory 2 Not Used Note on Expansion enclosures this must be set On 3 Not Us...

Страница 218: ...select Configuration Menu and press Enter The Configuration Menu displays 2 Select Channel Configuration and press Enter The Select Disk Channel screen displays 3 Select the channel you want and press Enter 4 Select the initiator ID you want and press Enter The system confirms that you want to make the changes 5 Select Yes and press Enter to make the changes 6 Press Esc to return to the Configurat...

Страница 219: ... Table 7 3 Alarm thresholds Alarm threshold What to do when the alarm sounds X24 internal temperature Warning 0 C to 4 C and 66 C to 70 C Shutdown 0 C and 70 C Check the Disk Array Administrator software to confirm what the alarm means See D 2 Displaying the Event Log on page 154 Check the ambient temperature and lower it if needed Ambient temperature should be less than 45 C Check that the X24 Su...

Страница 220: ...Alarm Mute screen displays The current setting is marked with an next to it 3 Select the option you want and press Enter 12V voltage Warning 12 V 20 to 10 and 10 to 20 Shutdown 12 V 20 and 20 Same as above for the VCC voltage 2 5 V voltage Warning 2 5 V 10 to 8 and 8 to 10 Shutdown N A Same as above for the VCC voltage Table 7 3 Alarm thresholds Alarm threshold What to do when the alarm sounds ...

Страница 221: ...n some environments where the host system disables the SM module s write back cache resulting in degraded performance A change to this setting on either SM module is automatically updated on the other SM module To lock the cache setting 1 From the System Menu select Configuration Menu and press Enter The Configuration Menu displays 2 Select Option Configuration and press Enter The Option Configura...

Страница 222: ...ower supply UPS so that you will not lose power to the X24 Subsystem If you disable the battery the X24 Subsystem will not give any warnings nor will it disable the write back cache If you change this setting you must restart the X24 Subsystem for the change to take effect To change the battery setting 1 From the System Menu select Configuration Menu and press Enter The Configuration Menu displays...

Страница 223: ...ple select High if your highest priority is to get the array back to a fully fault tolerant state This causes heavy I O with the host to be slower than normal Select Low priority if streaming data without interruption such as for a Web server is more important than data redundancy This allows the Reconstruct or other utility to run at a slower rate with minimal effects on host I O To change the ut...

Страница 224: ...l I O processes and then resumes normal operation If you are using an enclosure with an EMP the X24 will perform a rescan automatically With an EMP the EMP detects the change in drive status and updates the X24 about removed drives almost immediately however installed drives will be detected after a three minute delay This delay is to allow the new drives to spin up To rescan all channels 1 From t...

Страница 225: ...ctivity on all device channels used in the X24 Subsystem thereby ensuring data integrity on the connected drives and arrays Caution Pausing I O halts active I O to the host Note If you are not sure that your enclosure supports hot swapping use the Hot Swap Pause option before you remove or replace any drives in an array To pause I O 1 From the System Menu select Utilities Menu and press Enter The ...

Страница 226: ...he X24 Subsystem default settings You may want to do this if the X24 is not working properly and you cannot determine why This lets you then change the settings that are critical to your configuration To restore the default settings 1 From the System Menu select Configuration Menu and press Enter The Configuration Menu displays 2 Select Restore Defaults and press Enter The Restore Defaults screen ...

Страница 227: ...o the SM module If you want to use the Ethernet connection your Telnet utility must support either the Kermit or Xmodem protocol Follow the procedure below for both SM modules to make sure that both have the updated firmware To upgrade the Storage Manager Storage Manager Loader and Memory Controller firmware 1 Call technical support for information about downloading the firmware updates 2 From the...

Страница 228: ...Flash Utility screen Click Send The file transfers The system displays messages showing that it is flashing the code and restarting the SM module Caution Do not interrupt the power when transferring the new firmware 10 Repeat steps 2 through 9 on the other SM module G 13 2 Updating LAN Firmware You can also update the firmware for the LAN Subsystem inside the SM modules and the LAN Subsystem loade...

Страница 229: ...rd prompt enter flash 8 At the FTP prompt enter bin 9 At the FTP prompt enter put bfl file name flash If you are using Windows 95 or 98 you will see a timeout message Connection closed by remote host but the ftp process is continuing You can ignore the timeout message Wait a few minutes and check the firmware version If you are using another operating systems you will see the downloading progress ...

Страница 230: ...RS 1600 X24 User Guide 212 ...

Страница 231: ...routed network that is attached to the Internet the address must be globally unique This appendix describes how to configure the TCP IP settings for the first time starting from the factory set defaults H 1 Configuring the SM for TCP IP Before you can access the Disk Array Administrator software using the Ethernet port you must set the IP address and subnet mask for the SM module The default IP ad...

Страница 232: ... one for each SM module IP Mask Subnet mask Factory default is 255 255 255 0 Gateway Optional Factory default is 0 0 0 0 See your LAN administrator for more information If you are not sure what IP address subnet mask and gateway to use contact your LAN administrator Record the IP addresses IP mask and gateway below IP address for SM module A ____________________ IP address for SM module B ________...

Страница 233: ... SM module To set the FTP settings 1 From the System Menu select Configuration Menu and press Enter The Configuration Menu displays 2 Select LAN Configuration and press Enter The LAN Configuration screen displays 3 Select FTP Settings and press Enter The FTP Settings screen displays 4 Select the option you want and press Enter The screen displays related to the option you selected 5 Enter or selec...

Страница 234: ...stem makes the change H 2 4 Configuring the SNMP Settings You can set six Simple Network Management Protocol SNMP related settings Trap Host Host computer s IP address that is set up to receive SNMP traps The default is 0 0 0 0 Traps Enable On or off toggle to enable SNMP traps The default is No disabled Read Community SNMP read password The default is Public Write Community SNMP write password Th...

Страница 235: ...bsystem You can enter up to 80 characters System Location Location of the X24 Subsystem You can enter up to 32 characters System Information Read only screen with information about the system Changes to any of these settings on either SM module are automatically updated on the other SM module To set the contact settings 1 From the System Menu select Configuration Menu and press Enter The Configura...

Страница 236: ...guration Menu displays 2 Select LAN Configuration and press Enter The LAN Configuration screen displays 3 Select HTTP Settings and press Enter The HTTP Settings screen displays 4 Select the password you want to change and press Enter The screen displays related to the password you selected 5 Enter the new password you want and press Enter You can enter up to 15 characters for each password You can...

Страница 237: ...nd press Enter The LAN Configuration screen displays 3 Select Security Options and press Enter The Security Options screen displays 4 Select the option you want and press Enter The screen displays related to the option you selected The current option has an next to it 5 Select Enable or Disable and press Enter The system makes the change H 2 8 Resetting the LAN Subsystem If you are having difficul...

Страница 238: ...RS 1600 X24 User Guide 220 ...

Страница 239: ...out this user guide the term is used as the UK equivalent of the US term furcated A bifurcated power cord is a two branched cord joined together by a yoke bus See channel Byte A group of binary digits stored and operated upon as a unit A byte may have a coded value equal to a character in the ASCII code letters numbers or have some other value meaningful to the computer In user documentation the t...

Страница 240: ...module A unit used to monitor and control all elements of the Enclosure The ESI Operators Ops panel is supplied as an integral part of the RS 1600 series Enclosure core product fabric Fabric refers to a switched topology which is one of the three FC topologies Fabric elements which are responsible for frame routing interconnect various N_Ports or NL_Ports Connections to fabric can use loop public ...

Страница 241: ... drivers transceivers connectors and cables A GBIC attaches to an FC adapter and connects a router to an FC host high voltage differential HVD HVD is a differential SCSI scheme with terminators that run on 5 volts host bus adapter HBA An HBA is the critical link between a host server or workstation and a storage Subsystem integrating computing platforms operating systems and I O protocols to ensur...

Страница 242: ...0 X24 backplane to the rear of the enclosure management information base MIB A MIB is a database of managed objects accessed by network management protocols An SNMP MIB is a set of parameters that an SNMP management station can query or set in the SNMP agent of a network device for example a router mapping table A mapping table is a table indexed by sequential LUN values The values indicate select...

Страница 243: ...etection and error correction are some of the operations that may be defined in protocols Redundant Not essential router A router is a device that enables connectivity between SCSI devices and FC networks It routes each data command to the appropriate SCSI channel based on the address it is intended for SAM Storage Array Manager For the X24 Subsystem family of RAID products provides a browser base...

Страница 244: ...AL 2Gb s LRC I O module with integral Xyratex X24 RAID controller target A target is a device peripheral that responds to an operation requested by an initiator host system Although peripherals are generally targets a peripheral may be required to act temporarily as an initiator for some commands for example SCSI EXTENDED COPY command terminator block termination A terminator block or termination ...

Страница 245: ...rite back cache enabled should be connected to an Uninterruptible power supply UPS in case of a power failure If the drives are not on a UPS and power is lost during disk writes the array will lose any data in the disk s write back cache ...

Страница 246: ...RS 1600 X24 User Guide 228 ...

Страница 247: ...ing 24 131 expanding capacity of 126 managing 20 116 mixing disks 93 reconstructing 126 167 resetting all statistics 21 resetting overall statistics 166 status of expanding 129 status of verifying 22 125 stopping the initialization process 120 stopping the verify process 22 125 trusting 23 130 verifying 22 123 viewing aggregate statistics for all 36 viewing read write histogram 21 36 165 viewing s...

Страница 248: ... 195 chassis 2 Chunk Size screen 110 115 communications parameters for the RS 232 port 96 97 configuration file restoring 48 saving 48 configuration information capturing 164 displaying 159 Configuration Information screen 163 configuration software accessing 95 103 configuring disk channels 198 host channels 195 LAN settings 40 214 the X24 39 189 contact settings configuring 41 217 controlling ho...

Страница 249: ...ay status 20 117 cache status for disk drives 55 179 configuration information 159 disk drives 54 174 drive status 20 events 154 hardware information 159 partition status 25 134 pool spares 171 Down Drive page 56 drive carrier 18 60 drive carrier handles 10 Drive Carrier Module 2 9 65 75 Drive Status 120 Drive Status screen 176 drives blinking LED of 56 182 clearing metadata from 54 177 disabling ...

Страница 250: ...g up for remote notification 34 viewing most recent 154 viewing one at a time 155 viewing whole screen of 156 warning 78 Events to be Monitored page 34 Exclude All Hosts 150 Exclude Listed Hosts 150 Expand Function 127 129 Expand Partition 140 Expand Status screen 129 expanding array capacity 126 partition capacity 134 139 status of 129 f fan failure 63 FC disk channels changing FC loop ID 199 cha...

Страница 251: ...tem Internet Debug enabling and disabling 42 219 IP addresses setting 214 l LAN configuring HTTP settings 218 configuring security options 42 218 configuring settings for 40 214 configuring the contact settings 41 217 configuring the FTP settings 215 configuring the SNMP settings 40 216 configuring the system information 41 217 configuring the Telnet settings 215 configuring the Telnet timeout set...

Страница 252: ...1 network configuring HTTP settings for 218 configuring security options for 42 218 configuring settings for 40 214 configuring the contact settings 41 217 configuring the FTP settings 215 configuring the SNMP settings 40 216 configuring the system information 41 217 configuring the Telnet settings 215 configuring the Telnet timeout setting 40 resetting the LAN subsystem 219 setting the IP address...

Страница 253: ...7 rescanning 47 206 selecting the link speed 195 selecting the topology 195 Power 4 Power Supply Cooling 2 5 15 18 59 63 69 70 priority changing for X24 utilities 46 205 problems with host channels 67 terminal screen 76 the X24 69 PSU voltage operating range 4 r Rack mounting 2 RAID controller 72 RAID levels compared 92 RAID Type screen 107 112 Read Ahead Cache page 30 read ahead cache size settin...

Страница 254: ... and time 192 SM module 9 51 67 68 72 79 81 181 190 191 192 195 196 201 203 209 210 211 213 214 215 216 217 218 SM module LED indicators 6 SMART disabling changes to 55 181 enabling changes to 55 181 SMART screen 181 SNMP configuring 40 216 enabling and disabling 42 219 SNMP Read Community password 41 SNMP Write Community password 41 software accessing to configure the RIO 95 menu tree 103 navigat...

Страница 255: ...software 95 terminal screen problems 76 testing disk drives 57 183 time setting 43 192 topology selecting for host channels 195 tower 3 troubleshooting 76 Trust Array page 24 trusting arrays 23 130 u updating firmware 209 LAN subsystem firmware 210 LAN subsystem loader software 51 LAN subsystem software 51 memory manager firmware 209 memory manager software 51 software 51 storage controller loader...

Страница 256: ...rite back Cache screen 144 WWNs giving nicknames to 28 147 viewing known 27 145 x X24 changing utility priority 46 205 configuring 39 189 disabling the battery 46 204 displaying configuration information 159 displaying hardware information 159 enabling the battery 46 204 locking the cache setting 45 203 monitoring status of 33 153 problems with 69 rescanning all ports 47 rescanning channels 206 re...

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