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Acer AcerAltos 3102RS, User Manual

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Chapter 8  RS-232C Terminal Interface

137

A list of supported RAID levels will appear. Choose a RAID level for
this logical drive.

The drives can be tagged for inclusion by positioning the cursor on the
drive and then pressing [Enter] to select. An asterisk (*) will appear on
the drive that has been selected. Press [ESC] when done.

To limit the capacity of each drive included in the logical drive, select
"Maximum Drive Capacity", then enter the maximum capacity that will
be used by each drive.

 

Summary of Contents for AcerAltos 3102RS

Page 1: ...AcerAltos 3102RS AcerAltos 3102RS Ultra SCSI to Ultra SCSI RAID Controller User s Guide ...

Page 2: ... implied with respect to the contents hereof and specifically disclaims any warranties merchantability or fitness for any particular purpose Any software described in this manual is sold or licensed as is Should the programs prove defective following their purchase the buyer and not this company its distributor or its dealer assumes the entire cost of all necessary servicing repair and any inciden...

Page 3: ... a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures 1 Reorient or relocate the receiving antenna 2 Increase the separation between the equipment and receiver 3 Connect the equipment i...

Page 4: ...AID 1 Disk Mirroring 10 RAID 0 1 Disk Striping with Mirroring 11 RAID 3 Disk Striping with Dedicated Parity Disk 12 RAID 5 Striping with Interspersed Parity 13 Drive Failure Management 14 Global and Local Spare Drive 14 Identifying Drives 16 Automatic Rebuild and Manual Rebuild 18 Automatic Rebuild 18 Manual Rebuild 19 Concurrent Rebuild in RAID 0 1 20 Disk Array Parameters 21 Rebuild Priority 21 ...

Page 5: ...ical Drive Expansion 27 Example RAID Expansion in Windows NT Server 30 Chapter 4 Hardware Installation 39 Locations of the Parts 39 Front View 39 Rear View of the Main Board 40 Top View of the Main Board 41 Top View of the Daughter Board AA 9073UWS 42 Top View of the Daughter Board AA 9072UWD 42 Top View of the Daughter Board AA 9073U2 43 Installing DRAM SIMM 44 Installing the SCSI Channel Upgrade...

Page 6: ...NMP Required 60 Chapter 5 Quick Setup 67 Front Panel 67 RS 232 Terminal Interface 69 Chapter 6 Configuring RAID 71 Starting to Build a RAID System Drive 71 How the RAID Controller Works 73 SCSI Channel SCSI ID and LUN 73 Understanding Step by Step 74 Chapter 7 General Front Panel Operation 77 Understanding the Information on the LCD 77 The Initial Screen 77 Logical Drive Status 78 SCSI Drive Statu...

Page 7: ...and Editing SCSI Drives 93 Scanning New SCSI Drive 93 Viewing Drive Information 94 Adding a Local Spare Drive 95 Adding Global Spare Drive 96 Identifying a Drive 96 Deleting Spare Drive Global Local Spare Drive 97 SCSI Drives Utilities 98 SCSI Drive Low level Format 98 SCSI Drive Read Write Test 99 Viewing and Editing SCSI Channels 100 Viewing and Redefining a Channel Mode 100 Setting a SCSI Chann...

Page 8: ...m Tag Count 110 Restoring the Default Setting 111 Viewing and Editing Configuration Parameters 112 Communication Parameters 112 Caching Parameters 112 Write Back Cache Enable Disable 112 Optimization for Sequential Optimization for Random 113 Host side SCSI Parameters 113 Maximum Queued I O Count 114 LUNs per Host SCSI ID 114 Drive side SCSI Parameters 114 SCSI Motor Spin Up 115 SCSI Reset at Powe...

Page 9: ...r 123 Changing the Password 123 Resetting the Controller 124 Viewing System Information 125 Viewing and Editing Event Logs 126 Chapter 8 RS 232C Terminal Interface 127 Understanding the Information on the Screen 127 The Initial Screen 127 Main Menu 128 Logical Drive s Status 129 SCSI Drive s Status 130 SCSI Channel s Status 132 Viewing the Current Setting of Each Function 134 Viewing and Editing L...

Page 10: ...ive 150 Viewing Drive Information 151 Adding a Local Spare Drive 152 Adding a Global Spare Drive 153 Identifying a Drive 153 Deleting a Spare Drive Global Local Spare Drive 154 Viewing and Editing SCSI Channels 155 Redefining a Channel Mode 155 Viewing and Editing a SCSI ID Host Channel 156 Adding a SCSI ID 157 Deleting a SCSI ID 157 Setting a Primary Controller s SCSI ID Drive Channel 158 Setting...

Page 11: ...ers 169 Communication Parameters 169 Caching Parameters 170 Write Back Cache Enable Disable 170 Optimization for Random or Sequential I O 171 Host side SCSI Parameters 172 Maximum Queued I O Count 172 LUNs per Host SCSI ID 172 Drive side SCSI Parameters 173 SCSI Motor Spin Up 173 SCSI Reset at Power Up 174 Disk Access Delay Time 174 Maximum Tag Count 175 Disk Array Parameters 176 Rebuild Priority ...

Page 12: ...te Back Cache Enabled or Disabled 185 What are Primary controller and Secondary controller 186 When should I choose Primary Secondary or Autocfg mode 186 Quick Start 187 Setting Up Redundant Controllers 188 Example of Redundant Controllers 188 Cables and Connections 189 Connecting the Redundant Controller Cable 189 Connecting the Controllers to the Terminal Interface 190 Connecting the SCSI Cable ...

Page 13: ...98 Chapter 10 Redundant Host Multiple Host 201 Redundant Host 201 Multiple Host 202 Chapter 11 Remote Administration 203 Acer RAID Manager Using SNMP Service 204 How to Establish Connection through SNMP 204 Remote Terminal Emulation Using PPP Telnet 206 Hardware Connection 206 Baud Rate Settings 207 Enable Terminal Emulation 208 Setting PPP ID PPP Password 208 Data Routing Through PPP Data Routing...

Page 14: ...ble Terminal Emulation 218 Establish the Connection from the Remote Terminal219 How do you know the modem is connected 219 Setting AA 3102RS Using the Front Panel 219 Configure Modem Port 219 Modem Initialization Command 220 Modem Operating Modes 221 Initializing Modem 222 Baud Rate Data Routing and Enable Terminal Emulation 222 Establish the Connection from the Remote Terminal 222 How do you know...

Page 15: ...try Count 231 Dial out Retry Interval 231 Dial out on Event Condition 231 Chapter 12 Fault Bus 233 What is Fault Bus Why the Need for Fault Bus 233 How Does the Fault Bus Work 235 Error Signals Input 235 Drive Failure Signals Output 236 Fault Bus Error Alert 237 How to Setup the Fault bus 238 Hardware 238 Configuring the Controller through the Front Panel 238 Assign Each SCSI Drive or Canister a S...

Page 16: ... 232C Terminal Interface 244 Assign Each SCSI Drive or Canister a Slot Number 244 Assign a Slot Number to an Existing SCSI Drive 244 Assign a Slot Number to an Empty Canister 245 Add Drive Entry 245 Delete the Slot Number of a SCSI Drive or Empty Drive Entry 246 Remove Empty Drive Entry 247 Set Each Fault bus Error Signal Input as Active high or Active low 248 Enable Each Fault bus Error Signal In...

Page 17: ...ii Appendix C Upgrading the Firmware Appendix D Sync Clock Period Sync Clock Frequency Appendix E Troubleshooting Guide Appendix F Pin Assignments Appendix G Specifications Appendix H Record the Settings ...

Page 18: ......

Page 19: ...r has comprehensive drive failure management that allows automatic reassignment of reserved blocks when a bad sector is encountered during a write Hot swapping is supported through automatic disconnection of a failed drive and detection of a reserved drive followed with background rebuilding of data The controller also supports spare drive operation What s remarkable is all these failure recovery ...

Page 20: ......

Page 21: ...on Supports both Global Spare and Local Spare Background rebuilding Rebuild priority selectable Verify after Write supported on normal writes rebuild writes and or RAID initialization writes Works with any operating systems without additional software drivers 5 25 drive profile allows easy integration into external subsystem enclosures or directly into the host system s drive bay Up to five drive ...

Page 22: ... 1 logical drive Configuration of individual SCSI target parameters Controller can be assigned a name for ease of identification Prior to first disk access it allows adjustment of delay time during controller initialization to enhance compatibility with slow initial drives All channels are Ultra Wide SCSI 2 downward compatible to SCSI 1 and can be configured as either a host or drive interface Two...

Page 23: ... LCD and push buttons for configuration and message display Modem supported on either of the COM port Supports TELNET with PPP protocol for remote administration Acer RAID Manager and RS 232 terminal interface for RAID management SAF TE support Supports Fault bus for enclosure management AA 3102RS mentioned throughout this manual refers to both the AA 3102RSA and AA 3102RSB controllers The only di...

Page 24: ......

Page 25: ...s of using a RAID storage subsystem are Provides disk spanning by weaving all connected drives into one single volume Increases disk access speed by breaking data into several blocks when reading writing to several drives in parallel With RAID storage speed increases as more drives are added Provides fault tolerance by mirroring or parity operation What are the RAID levels RAID Level Description M...

Page 26: ...D 5 R High W Medium R High W Low NRAID Disk Spanning 2 GB Hard Drive 3 GB Hard Drive 1 GB Hard Drive 2 GB Hard Drive Logical Drive 2 3 1 2 8 GB Logical Drive NRAID stands for Non RAID The capacity of all the drives are combined to become one logical drive no block striping In other words the capacity of the logical drive is the total capacity of the physical drives NRAID does not provide data redu...

Page 27: ...he controller treats each drive as a stand alone disk therefore each drive is an independent logical drive JBOD does not provide data redundancy RAID 0 Disk Stripping Block 1 Block 2 Block 3 Block 4 Block 5 Block 6 Block 7 Block 8 Block 1 Block 3 Block 5 Block 7 Block 2 Block 4 Block 6 Block 8 Striping Logical Drive Physical Disks RAID 0 Minimum Disks required 2 Capacity N Redundancy No JBOD Minim...

Page 28: ...lock 3 Block 4 Block 5 Block 6 Block 7 Block 8 Block 1 Block 2 Block 3 Block 4 Mirror 1 Mirror 2 Mirror 3 Mirror 4 Mirroring Logical Drive Physical Disks RAID 1 Disks required 2 Capacity N 2 Redundancy Yes RAID 1 mirrors the data stored in one hard drive to another RAID 1 can only be performed with two hard drives If there are more than two hard drives RAID 0 1 will be performed automatically ...

Page 29: ...required 4 Capacity N 2 Redundancy Yes RAID 0 1 combines RAID 0 and RAID 1 Mirroring and Striping RAID 0 1 allows multiple drive failure because of the full redundancy of the hard drives If there are more than two hard drives assigned to perform RAID 1 RAID 0 1 will be performed automatically RAID 0 1 will not appear in the list of RAID levels supported by the controller If you wish to perform RAI...

Page 30: ... 2 Block 4 Block 6 Block 8 Striping Parity 1 2 Parity 3 4 Parity 5 6 Parity 7 8 Dedicated Parity RAID 3 Minimum Disks required 3 Capacity N 1 Redundancy Yes RAID 3 performs Block Striping with Dedicated Parity One drive member is dedicated to storing the parity data When a drive member fails the controller can recover regenerate the lost data of the failed drive from the dedicated parity drive ...

Page 31: ...Parity 5 6 Block 8 Parity 1 2 Block 4 Block 5 Parity 7 8 Striping non dedicated Parity RAID 5 Minimum Disks required 3 Capacity N 1 Redundancy Yes RAID 5 is similar to RAID 3 but the parity data is not stored in one dedicated hard drive Parity information is interspersed across the drive array In the event of a failure the controller can recover regenerate the lost data of the failed drive from th...

Page 32: ...rive and automatically starts to rebuild Local Spare Drive is a standby drive assigned to serve one specified logical drive When a member drive of this specified logical drive fails the Local Spare Drive becomes a member drive and automatically starts to rebuild Global Spare Drive does not only serve one specified logical drive When a member drive from any of the logical drive fails the Global Spa...

Page 33: ...The AA 3102RS RAID controller provides both Local Spare Drive and Global Spare Drive functions On certain occasions applying these two functions together will better fit various needs Take note though that the Local Spare Drive always has higher priority than the Global Spare Drive Global Spare Drives serve any logical drives When a member drive from any logical drive fails the Global Spare Drive ...

Page 34: ...ce a drive in this logical drive failed If the failed drive is in Logical Drive 1 or 2 the 4 GB Global Spare drive will immediately give aid to the failed drive Logical Drive 0 Local Spare Drive 1 2 3 LS Logical Drive 1 1 2 Logical Drive 2 1 2 3 4 Global Spare Drive GS 9GB 9GB 9GB 9GB 4GB 4GB 4GB 4GB 4GB 4GB 4GB Identifying Drives Assuming there is a failed drive in the RAID 5 logical drive make i...

Page 35: ...teadily ON LED Steadily ON LED Steadily ON LED Steadily ON Flash Selected SCSI Drive The Read Write LED of the drive you selected will light steadily for about one minute This applies to firmware versions 2 11 and above Flash All SCSI Drives The Read Write LED of all connected drives will light for about one minute If the LED of the defective drive did not light on the Flash Selected SCSI Drive fu...

Page 36: ...uild When a member drive in the logical drive failed the controller will first check whether there is a Local Spare Drive assigned to this logical drive If yes it will automatically start to rebuild If there is no Local Spare Drive available the controller will search for a Global Spare Drive If there is a Global Spare Drive it will automatically rebuild the logical drive If neither Local Spare Dr...

Page 37: ...ve available the controller will search for a Global Spare Drive If there is a Global Spare Drive it will automatically rebuild the logical drive User applies forced manual rebuild Any Local Spare Drive assigned to this logical drive Yes Yes Rebuild using the Local Spare Drive Any Global Spare Drive assigned to this logical drive Rebuild using the Global Spare Drive No No Wait for manual rebuild Y...

Page 38: ...he replaced drive If there is no available drive for rebuilding the controller will not try to rebuild again until the user applies another forced manual rebuild Concurrent Rebuild in RAID 0 1 RAID 0 1 allows multiple drive failure and concurrent multiple drive rebuild Newly replaced drives must be scanned and set as Local Spare Drives These drives will be rebuilt at the same time you do not need ...

Page 39: ...proved High The default priority is Low which uses the controller s minimum resources to rebuild Choosing Normal or Improved will speedup the rebuilding process and choosing High will use the controller s maximum resources to complete the rebuilding process at the shortest time Rebuild priority can be configured through the RS 232C Terminal Interface Acer RAID Manager or the front panel Verify aft...

Page 40: ...ication on LD Normal Drive Writes Performs Verify after Write during normal I O requests Each method can be enabled or disabled individually Hard drives will perform Verify after Write according to the selected method The Verification on LD Normal Drive Writes method will affect write performance during normal use ...

Page 41: ...on for Random I O A lot of the controller s internal parameters will also be changed to optimize for sequential or random I O The change will take effect after the controller reboots If the existing logical drives were built with Optimization for Random I O these logical drives will not read write when using Optimization for Sequential I O shows INVALID and vice versa because the stripe size is di...

Page 42: ...the Spin up by SCSI command The procedure for each brand model of hard drive should vary Configure all the hard drives as above and enable SCSI Motor Spin Up in Drive Side SCSI Parameters Power off all hard drives and controller and power them on again All the hard drives will not spin up at this time The controller will then spin up the hard drives one by one at four seconds interval If the drive...

Page 43: ...pt all the read write requests that are being performed This may cause some operating systems or host computers to act abnormally Disable the SCSI Reset at Power up to avoid this situation Disk Access Delay Time Sets the delay time before the controller tries to access the hard drives after power on The default is 15 seconds ...

Page 44: ...Indicators UPS Failure Signal Input Power Supply Failure Signal Input Cooling Fan Failure Signal Input Temperature Alert Signal Input SAF TE Chipset SCSI RAID Controller Front Panel error alert GUI RAID Manager error alert SAF TE chipset connects to the drive channel of the controller together with the other SCSI drives How Does SAF TE work The SAF TE device often a back plane within a drive bay e...

Page 45: ...ds meant backing up re creating and then restoring Dynamic Logical Drive Expansion a new feature of firmware version 2 11 allows users to add new SCSI hard disk drives and expand a RAID 0 3 or 5 Logical Drive without powering down the system Two Modes of Dynamic Logical Drive Expansion There are two modes of Dynamic Logical Drive Expansion Mode 1 and Mode 2 Dynamic Logical Drive Expansion Mode 1 M...

Page 46: ...sks RAID Expansion Mode 1 2GB 2GB 2GB RAID 5 Logical Drive 4GB 2GB 2GB 2GB 2GB 2GB 2GB 2GB RAID 5 Logical Drive 8GB RAID Expansion Add in New Drives In the figure above new drives are added to increase the capacity of a 4 Gigabyte RAID 5 logical drive The two new drives increase the capacity to 8 Gigabytes Mode 2 Expansion on the other hand requires the same number of higher capacity SCSI hard dis...

Page 47: ...will still be available for access The figure above illustrates expansion of the same 4 Gigabyte RAID 5 logical drive using Mode 2 Expansion Drives are copied and replaced one by one onto three higher capacity drives RAID Expansion Mode 2 2 3 2 Copy and Replace the other member drives one by one until all the member drives have been replaced 4 GB New Drive 2 GB RAID 5 4GB 2 GB 4 GB In use Unused C...

Page 48: ...of logical drives Later versions of the firmware will support Copy and Replace Example RAID Expansion in Windows NT Server Limitations When Using Windows NT 4 0 1 Only the Windows NT Server Disk Administrator includes the Extend Volume Set function Windows NT Workstation does not have this feature 2 The system drive boot drive of a Windows NT system cannot be extended 3 The drive that will be exte...

Page 49: ...Chapter 3 Functional Descriptions 31 You can view information about this drive in the Windows NT Server s Disk Administrator ...

Page 50: ...User s Guide 32 Place the cursor on Disk 1 right click your mouse and select Properties You will see that the total capacity for the Drive E is just under 900MB ...

Page 51: ... Follow the steps described in section 7 2 8 to add SCSI disk drives and perform Mode 1 Dynamic Logical Drive Expansion The 900MB logical drive has become a 1800MB logical drive Place the cursor on that logical drive and then press Enter ...

Page 52: ...partitions Follow the directions in Chapter 7 section Mapping a Logical Drive to a Host LUN to map the new partition to a Host LUN The new partition must be mapped to a host LUN in order for the HBA host bus adapter to see it Once you have mapped the partition reboot Windows NT The HBA should be able to detect an additional disk ...

Page 53: ...r 3 Functional Descriptions 35 Return to Windows NT Server s Disk Administrator There now exists a Disk 2 with 900MB of free space Click on Disk 2 to select it From the Partition menu select Extend Volume Set ...

Page 54: ...cursor to Commit Changes Now to confirm that you want the free space to become a part of the same logical drive Logical Drive E is now composed of two 900MB partitions with a total volume of 1800MB To see this hold down on the Ctrl key and select both Disk 1 and Disk2 then right click your mouse and select Properties ...

Page 55: ...Chapter 3 Functional Descriptions 37 Drive E now has a capacity just under 1800MB ...

Page 56: ......

Page 57: ...ctivity Blinking indicates data is being accessed Lighted LED indicates unprocessed cached data is still in the memory ATTEN Lights when an error message appears or service is required e g when a drive fails and needs to be replaced t s buttons Scroll through available options ENT button Choose or executes an option ESC button Returns to previous menu or cancel selection 2 x 16 LCD AA 3102RS contr...

Page 58: ...User s Guide 40 Rear View of the Main Board JP6 SCSI Channel 1 JP1 SCSI Channel 0 JP2 Redundant Controller Port COM2 P2 Power Socket P1 RS 232 Port COM1 JP7 SCSI Channel 2 ...

Page 59: ... of the Main Board CPU JP7 SCSI Channel 2 JP1 SCSI Channel 0 JP6 SCSI Channel 1 P2 Power Socket JP2 Redundant Controller Port P1 RS 232 Port JP5 Fault Bus JP4 Fault Bus 7 Segment LED SIMM 2 SIMM 1 JP18 1 JP16 Infortrend 500127 Infortrend 500126 ...

Page 60: ...er Board AA 9073UWS JP5 SCSI Channel 5 JP1 SCSI Channel 3 JP2 SCSI Channel 4 SCSI Chip SCSI Chip SCSI Chip Top View of the Daughter Board AA 9072UWD JP6 SCSI Channel 3 JP7 SCSI Channel 4 SCSI Chip SCSI Chip Pin 1 of the terminator resistors ...

Page 61: ...Chapter 4 Hardware Installation 43 Top View of the Daughter Board AA 9073U2 JP5 Ultra2 SCSI Channel 5 JP1 Ultra2 SCSI Channel 3 JP2 Ultra2 SCSI Channel 4 SCSI Chip SCSI Chip SCSI Chip ...

Page 62: ...ormance A SIMM with or without parity can be auto detected by the controller A SIMM with parity is recommended for security The minimum DRAM required is 4 Mbytes in stalled in a SIMM socket however 8 Mbytes is recommended The controller supports 4 MB 8 MB 16 MB 32 MB 64 MB DRAM SIMM module Maximum DRAM size is 128 Mbytes To install the DRAM SIMM 1 Power off the system and disconnect the power conn...

Page 63: ...ifferential Ultra Wide SCSI Channels AA 9073U2 3 Ultra2 Wide SCSI Channels To install the SCSI channel upgrade daughter board 1 Make sure the power of the host system and drives are off 2 Position the daughter board so that the SCSI connectors are facing the rear of the controller 3 While at it make sure the connector pins on the daughter board are aligned with the two header connectors on the con...

Page 64: ...User s Guide 46 Insert RAID Controller Main Board Daughter Board Insert ...

Page 65: ...ble to provide up to 100 hours of back up time The AA 9070 is a battery backup daughter board that plugs into the controller The AA 9010 is a battery pack that connects to the AA 9070 battery backup daughter board Several AA 9010 s can be daisy chained to provide long hours of unattended operation over a period of days To install the battery backup daughter board and battery pack 1 Make sure the p...

Page 66: ...oard onto the mainboard Insert Insert RAID Controller Main Board Battery Backup Daughter Board Insert 4 Connect the AA 9010 battery pack to JP10 located on the AA 9070 daughter board Inductor Inductor Cap JP10 Battery Pack Battery Backup Daughter Board Connect to JP10 ...

Page 67: ...Chapter 4 Hardware Installation 49 It is a must to install the socket plug back to JP16 once you have removed the AA 9070 battery backup daughterboard The controller will not work if you fail to do so ...

Page 68: ...User s Guide 50 Power Connection The power input and connection of the AA 3102RS controller is exactly the same as those for hard disk drives The power connection is shown below 19 20 1 2 ...

Page 69: ...a PC s serial port and is set as a DTE device The proper connection of the cable and pin layout is shown below 1 2 3 4 5 6 7 8 9 The following are guidelines on using the serial port The serial port s default is set at 9 600 baud 8 bit 1 stop bit and no parity Use the COM1 serial port of the controller In most cases connecting RD TD and SG are enough to establish communication with a terminal If y...

Page 70: ...ation Parameters then press ENT 3 Select RS 232 Configuration then press ENT 4 Select COM1 Configuration then press ENT 5 Select Baud rate 9600 then press ENT Press t or s to select the baud rate then press ENT for 2 seconds to confirm the selected baud rate The available baud rates are 2400 4800 9600 19200 and 38400 View and Edit Configuration Communication Parameters RS 232 Configuration COM1 Co...

Page 71: ...SI cable must be shorter than 3 meters Channel 0 is connected to the Host system Drives are connected to drive channels 1 and or 2 SCSI nodes on the same channel have their own unique ID number Both the Host and drive SCSI cables are properly terminated The terminator of all the hard drives must be disabled The power supply is attached All operation parameters are properly set To connect the compo...

Page 72: ...properly terminated 4 Assign a unique SCSI ID for every hard disks that are to be connected on the same SCSI cable between ID numbers 0 and 6 and 8 and 15 The default ID of the controller s channel 0 is 7 5 Connect the other end of the drive SCSI cable to one of the remaining channel on the controller 6 Connect the connectors located at the middle of the drive SCSI cable to the hard disk s 7 Termi...

Page 73: ...2C connection With In band SCSI integrators have more flexibility They may use RS 232C or the existing SCSI cable instead How does it use the SCSI cable In band SCSI technology translates the original commands into standard SCSI commands These SCSI commands are then sent to and received from the SCSI raid controller The Acer RAID Manager can administrate the RAID controller just as it could before...

Page 74: ...SNMP settings must be changed prior to installation of the Acer RAID Manager See SNMP Settings below for a detailed explanation The RAID controller settings can be changed using the Front Panel Your front panel may be different in appearance from the one shown in this example ATTEN BUSY POWER ESC ENT Controller v2 11 Ready From the Main Menu press t or s to select View and Edit Configuration Param...

Page 75: ...em Peripheral Device Type Peripheral Device Qualifier Device Support for Removable Media LUN Applicability NT 4 0 3 connected disabled All Undefined LUNs NT 5 0 3 connected enabled All Undefined LUNs NetWare 4 x 1f connected disabled All Undefined LUNs SCO Unix 5 0x 7f connected either is okay All Undefined LUNs UnixWare 2 1x 3 connected either is okay All Undefined LUNs Solaris 2 5 x 2 6 7f conne...

Page 76: ... choose Unknown Device 3 Press Enter to confirm the selection Now that we have changed the Peripheral Device Type let us set the Peripheral Device Qualifier Press Esc to return to the sub menu s mentioned above Use the arrow keys to scroll down to Device Qualifier press t or s to select Device Qualifier Connected The default setting is Connected If your Front Panel reads Disconnected press ENT and...

Page 77: ...ined LUN Press Enter and use t or s to select Undefined LUN 0 s Press Enter to accept The screen should display the following message The RAID controller adjustments necessary to use In band SCSI have been completed For locally accessing the host computer see section Local Connection SNMP Not Required all steps have been completed For remotely accessing the host computer further adjustments must b...

Page 78: ...going to FILE CONNECT and selecting the port address Remote Connection SNMP Required SNMP Service is required to administrate a RAID controller installed in a remote computer This passage describes how to establish a connection from the Acer RAID Manager to a RAID controller that is connected to a remote host via In band SCSI For information regarding other operations and of the Acer RAID Manager ...

Page 79: ...ger Site is a Windows NT system with the Acer RAID Manager The Agent Site could be running an operating system other than Windows NT Acer provides the In band SCSI SNMP agents for the following operating systems Windows NT NetWare The Manager Site should be a Windows NT Workstation or Server with SNMP service and the Acer RAID Manager installed BASIC PROCEDURES TO ESTABLISH THE CONNECTION The foll...

Page 80: ...ing This following applies to Windows NT 4 0 with Service Pack 3 if the SNMP Service is installed after the Service Pack 3 has been installed Service Pack 3 must be re installed in order for the SNMP service to work properly Checklist for Manager Site 1 The system is running Windows NT Workstation or Server and has SNMP Service installed 2 The Infortrend Acer RAID Manager was installed with the SN...

Page 81: ...Network icon in the Control Panel Double click on the Network icon to open it The Properties window appears Choose the Service tab If the SNMP Service is already installed please go ahead to step called Install the SNMP Agent and Acer RAID Manager If the SNMP Service is not yet installed click on Add and choose SNMP Service to install ...

Page 82: ...cer RAID Manager can install the In band SCSI SNMP Agent during installation During Acer RAID Manager installation be sure to select both the SNMP Manager Site and SNMP Agent Site options Complete the installation by following the on screen instructions Example Settings for Manager Site 1 Install the SNMP manager and Acer RAID Manager During the installation of Acer RAID Manager click to select th...

Page 83: ...r Agent site Communication Type choose SCSI Bus Interface The Controller Index refers to the sequence of the RAID controller which is going to be administrated If only one RAID controller is installed in the agent site computer choose 0 If there is more than one RAID controller installed in the agent site computer choose 1 to administrate the second RAID controller Choose 2 to administrate the thi...

Page 84: ... s Guide 66 4 After the connection is established all of the operations in the Acer RAID Manager are the same as before please refer to the Acer RAID Manager User Guide for complete details on its operation ...

Page 85: ...ed logical drive or a partition of a partitioned logical drive as one single physical drive Front Panel The AA 3102RS controller s default configurations are based on the number and location of the drives installed If this is your first time to install we suggest that you try the default configurations provided by the Quick Installation function This will allow you to immediately verify whether th...

Page 86: ...n The RAID levels available are as follows 1 Drive NRAID Disk Spanning 2 Drives RAID0 or RAID1 3 Drives RAID0 RAID1 Spare RAID3 RAID5 3 Drives RAID0 Odd RAID1 0 1 Spare RAID3 RAID3 Spare RAID5 RAID5 Spare 3 Drives RAID0 Even RAID1 0 1 RAID3 RAID3 Spare RAID5 RAID5 Spare The LCD will display the logic al drive s information after completing initialization Set TDRV 4 with LG RAID5 Spare Init Parity ...

Page 87: ...rl L The controller will refresh the screen information If the RS 232 cable is connected while the controller is powered on press Ctrl L to refresh the screen information The initial screen appears when the controller is powered on Use arrow keys to select the desired terminal emulation mode then press ENTER to enter the Main Menu Type Q or use the keys to select Quick installation then press Ente...

Page 88: ...played Use the keys to select a RAID level then press Enter The assigned spare drive will be a Local Spare Drive not a Global Spare Drive The controller will start initialization and automatically map the logical drive to LUN 0 of the first host channel ...

Page 89: ... SCAN SCSI DRIVE function to let the controller recognize the newly added hard drive and configure it as a member of a logical drive or a spare drive In accordance to your requirement configure a logical drive to contain one or more hard drives based on the desired RAID level and partition the logical drive into one or several partitions Map each partition as one system drive LUN The host SCSI ada...

Page 90: ...AA 3102RS controller is capable of grouping connected drives to as many as 8 logical drives each configured on the same or different RAID levels A logical drive can be further divided into a maximum of 8 Partitions During operation the host sees an unpartitioned logical drive or a partition of a partitioned logical drive as one single physical drive ...

Page 91: ...as one unique SCSI ID Two devices owning the same SCSI ID is not allowed The figure on the left is a very good example If you are to file document into a cabinet you must put the document into one of the drawer From a SCSI s point of view a SCSI ID is like a cabinet and the drawers are the LUNs Each SCSI ID can have up to 8 LUNs Logical Unit Data can be stored into one of the LUNs of the SCSI ID M...

Page 92: ...Physical connection should look similar to the figure shown on the previous page The channel connected to the host adapter is the host channel and the channels connected to the drives are the drive channels A Logical Drive consists of a group of SCSI drives Drives in one logical drive do not have to come from the same SCSI channel Also each logical drive can be configured a different RAID level ...

Page 93: ... Local Spare Drive of LD1 Global Spare Drive A drive can be assigned as the Local Spare Drive of one specified logical drive or as Global Spare Drive RAID 5 8GB RAID 0 6GB Logical Drive 1 Logical Drive 0 Partition 0 2GB Partition 1 1GB Partition 2 5GB Partition 0 2 5GB Partition 1 1 5GB You may divide a logical drive into several partitions or use the entire logical drive as one single partition ...

Page 94: ... 1 Logical Drive 1 Partition 0 Logical Drive 0 Partition 1 ID 0 ID 1 Logical Drive 1 Partition 1 Logical Drive 0 Partition 2 Logical Drive 0 Partition 0 LUN 0 LUN 1 LUN 2 Map each partition to a host LUN The LUN will then virtually appear to the host SCSI adapter as an individual hard drive ...

Page 95: ...t Model Firmware Version Status Data Transfer Indicator IFT 3102 V2 11 Ready Status Data Transfer Indicator Ready There is a logical drive mapped to a LUN No Host LUN No logical drive created or the logical drive has not yet been mapped to any Host LUN zzzzzzzzzzzzzz Indicates data transfer Each block indicates 256KBytes of data throughput AA 3102RS ...

Page 96: ...ained in this logical drive Logical Drive status xxxxMB The capacity of this logical drive SB x Standby drives available for this logical drive All the spare drives available for this logical drive will be counted in this field both Global Spare Drive and Local Spare Drive xxxxMB INITING The logical drive is now initializing xxxxMB INVALID The logical drive was created with Optimization for Sequen...

Page 97: ...n this logical drive xxxxMB RB SB x Logical Drive is rebuilding xxxxMB DRVMISS One of the drives cannot be detected INCOMPLETE ARRAY Two or more drives failed in this logical drive SCSI Drive Status SCSI Channel Drive Capacity Drive Status C 1 I 0 1010MB LG 0 LN SEAGATE SCSI ID Logical Drive Number Drive Vendor Drive Status LG x IN Initializing LG x LN On line LG x RB Rebuilding LG x SB Local Spar...

Page 98: ...t PID SID NA SXF 20 0M Channel Mode Secondary Controller SCSI ID Mapping Default SCSI Bus Sync Clock Channel Mode Host Host Channel mode Drive Drive Channel mode Default SCSI Bus Sync Clock M The default setting of this SCSI channel is Mhz in Synchronous mode Async The default setting of this SCSI channel is in Asynchronous mode Primary Controller SCSI ID Mapping Multiple SCSI IDs applied Host Cha...

Page 99: ...his SCSI ID for host LUN mapping NA No SCSI ID applied Drive Channel mode only Secondary Controller SCSI ID Mapping Multiple SCSI IDs applied Host Channel mode only ID number Secondary Controller is using this SCSI ID for host LUN mapping NA No SCSI ID applied Drive Channel mode only ...

Page 100: ...browse through the drives Press ENT again to select deselect the drives C 1 I 0 refers to Channel 1 SCSI ID 0 After all the desired drives have been selected press ENT for two seconds to continue Press t or s to choose Create Logical Drive then press ENT for two seconds to start initializing the logical drive The maximum capacity of the drives will be used in this logical drive You may also choose...

Page 101: ...s Press ESC to return to the previous menu Use t or s to choose Create Logical Drive then press ENT for two seconds to start initializing the logical drive The desired capacity of the drives will be used in this logical drive The Controller will start to initialize the parity of the logical drive Please note that if NRAID or RAID 0 is selected initialization time is shorter and completes immediate...

Page 102: ...s to select View and Edit Logical Drives then press ENT Press t or s to select the logical drive then press ENT Press t or s to select View SCSI Drives then press ENT Press t or s to scroll through the drives Deleting a Logical Drive Press ENT for two seconds to enter the Main Menu Press t or s to select View and Edit Logical Drives then press ENT Press t or s to select a logical drive then press ...

Page 103: ...e current partition s information will be displayed on the LCD Press t or s to browse through the existing partition in the logical drive Select a partition by pressing ENT for two seconds Use t or s to change the number of the flashing digit then press ENT to move to the next digit After changing all the digits press ENT for two seconds to confirm the partition and capacity The rest of the drive ...

Page 104: ... displayed on the LCD Press t or s to browse through the existing partition in the logical drive Select a partition by pressing ENT for two seconds Use t or s to change the number of the flashing digit to 0 then press ENT to move to the next digit After changing all the digits press ENT for two seconds The rest of the drive space will automatically be added to another partition View and Edit Logic...

Page 105: ...The capacity of the deleted partition will be added to the last partition As long as there is a partition change all host LUN mappings will be removed Therefore every time a partition has been changed it is necessary to re configure all host LUN mappings Assigning a Logical Drive Name Press ENT for two seconds to enter the Main Menu Press t or s to select View and Edit Logical Drives then press EN...

Page 106: ... Press t or s to select View and Edit Logical Drives then press ENT Press t or s to select the logical drive that has a failed member drive then press ENT Press t or s to select Rebuild Logical Drive then press ENT Press ENT for two seconds to start rebuilding the logical drive The rebuilding progress will be displayed in percentage on the LCD Enter LD Name z Rebuild Logical Drive Rebuilding 25 Pl...

Page 107: ...al Spare Drive choose Rebuild Progress to view the rebuilding progress on the LCD The Rebuild function will appear only if a logical drive with RAID level 1 3 or 5 has a failed member drive Refer to Chapter 3 section Automatic Rebuild and Manual Rebuild of this manual for more information on the rebuilding process LG0 RAID5 DRV 3 2012MB RB SB 0 Rebuild Progress ...

Page 108: ... two seconds Press t or s to select a LUN number then press ENT Press ENT for two seconds to confirm the selected LUN mapping Press t or s to browse through all the available logical drives Press ENT for two seconds to select a logical drive Press t or s to browse through all the available partitions in the logical drive Press ENT for two seconds to continue View and Edit Host Luns Map Channel 0 M...

Page 109: ...e LUN number and its LUN mapping information Press ENT on the LUN you wish to delete Press ENT for two seconds to confirm deletion The deleted LUN has now been unmapped Pass through SCSI Commands Pass through SCSI commands facilitate functions like downloading firmware for drives or devices not firmware setting SCSI drive mode parameters or monitoring a SAF TE device directly from the host To perf...

Page 110: ...ice on the drive side Do not perform any destructive commands to a disk drive i e any commands that write data to a drive media If a disk drive is a spare drive or a member of a logical drive such a destructive command may cause a data inconsistency When a drive device is mapped to a host SCSI ID so that Pass through SCSI Commands can be used the data on that drive device will not be protected by ...

Page 111: ... select a SCSI channel then press ENT for two seconds Press t or s to select a SCSI ID then press ENT for two seconds The information of the scanned SCSI drive will be displayed on the LCD If the drive was not detected on the selected SCSI channel and ID the LCD will display Scan Fail An empty drive entry will be added to this channel SCSI ID for enclosure management The drive status is ABSENT Vie...

Page 112: ...T SCSI drive information will be displayed on the LCD Press t or s to select a SCSI drive then press ENT Press t or s to select View Drive Information then press ENT The Revision Number of the selected SCSI drive will be shown on the LCD Press t to view the next item The Serial Number of the drive will be shown on the LCD Press t to view the next item Disk Capacity will be shown in blocks on the L...

Page 113: ...e to a logical drive whose member drive s block number is smaller or equal to the Local Global Spare Drive s block number but you may not do it vice versa Adding a Local Spare Drive Press ENT for two seconds to enter the Main Menu Press t or s to select View and Edit SCSI Drives then press ENT SCSI drive information will be displayed on the LCD Press t or s to select a SCSI drive that has not been...

Page 114: ...to select a SCSI drive that has not been assigned to any logical drive yet then press ENT Press t or s to select Add Global Spare Drive then press ENT Press ENT again for two seconds to add the spare drive The message Add Global Spare Drive Successful will be displayed on the LCD Identifying a Drive Press ENT for two seconds to enter the Main Menu Press t or s to select View and Edit SCSI Drives t...

Page 115: ...nds to flash the read write LED of the selected drive The read write LED will light for one minute Deleting Spare Drive Global Local Spare Drive Press ENT for two seconds to enter the Main Menu Press t or s to select View and Edit SCSI Drives then press ENT SCSI drive information will be displayed on the LCD Press t or s to select the spare drive you wish to delete then press ENT Press t or s to s...

Page 116: ...the t or s to select whichever drive you would like to run the utilities for and then press ENT Press t or s to select SCSI Drives Utilities and then press ENT SCSI Drive Low level Format If you would like to perform a low level format to a drive press t or s to select Drive Low level Format and then press ENT View and Edit SCSI Drives C 1 I 3 2047MB NEW DRV SEAGATE SCSI Drives Utilities Drive Low...

Page 117: ...e on which a low level disk format will be performed cannot be a spare drive local or global nor a member drive of a logical drive The SCSI Drive Low level Format option will not appear if the drive is not a New Drive or a Used Drive SCSI Drive Read Write Test If you would like to perform a drive read write test to the drive press t or s to select Drive Read Write Test and then press ENT The optio...

Page 118: ...tion of every SCSI channels Press ENT on the channel you wish the channel mode changed Press t or s to select Redefine Channel Mode then press ENT Press ENT for two seconds to change the channel mode The new channel s setting will be displayed on the LCD Every time you change a channel s mode you must reset the controller for the changes to take effect View and Edit SCSI Channels CH0 Host PID 0 SI...

Page 119: ...t or s to select Set SCSI Channel ID then press ENT Press t or s to browse through all the current SCSI ID settings Press ENT to continue ADDING A SCSI CHANNEL S ID Press t or s to choose Add Channel SCSI ID then press ENT Press t or s to choose Primary Controller then press ENT for two seconds Press t or s to choose the SCSI ID you wish to add then press ENT for two seconds View and Edit SCSI Cha...

Page 120: ...troller for the changes to take effect The default SCSI ID of the Host channel is 0 the Drive channel is 7 If only one controller exist you must set the Secondary Controller s SCSI ID to NA If a secondary controller exist you need to set a SCSI ID Multiple SCSI ID can be applied to the Host channel while the Drive channel one SCSI ID or no SCSI ID Multiple SCSI ID is supported in firmware version ...

Page 121: ... Every time you change a channel s SCSI ID you must reset the controller for the changes to take effect The default SCSI ID of the Host channel is 0 the Drive channel is 7 If only one controller exist you must set the Secondary Controller s SCSI ID to NA If a secondary controller exist you need to set a SCSI ID Multiple SCSI ID can be applied to the Host channel while the Drive channel one SCSI ID...

Page 122: ...you change a channel s SCSI ID you must reset the controller for the changes to take effect The default SCSI ID of the Host channel is 0 the Drive channel is 7 If only one controller exist you must set the Secondary Controller s SCSI ID to NA If a secondary controller exist you need to set a SCSI ID Multiple SCSI ID can be applied to the Host channel while the Drive channel one SCSI ID or no SCSI ...

Page 123: ...to select Set SCSI Channel Terminator then press ENT The current status of the SCSI terminator will be displayed on the LCD Press ENT to continue Press ENT again for two seconds to change the terminator mode to the alternative option Only a terminator with Single Ended channel can be enabled disabled through the setting shown above A terminator with Differential channel must be removed installed p...

Page 124: ...on will be displayed on the LCD Press t or s to browse through the information of every SCSI channel Press ENT on the channel you wish the transfer speed changed Press t or s to select Set Transfer Speed then press ENT The current speed of this SCSI channel will be displayed on the LCD Press t or s to select the desired speed then press ENT for two seconds Every time you change the Transfer Speed ...

Page 125: ...annel information will be displayed on the LCD Press t or s to browse through the information of every SCSI channel Press ENT on the channel you wish the transfer width changed Press t or s to select Set Transfer Width then press ENT The current mode will be displayed on the LCD Press ENT to continue Press ENT again for two seconds Every time you change the SCSI Transfer Width you must reset the c...

Page 126: ...I target then press ENT Slot Number To set the Slot number of the SCSI target choose Slot Assignment then press ENT The current slot number will be displayed on the LCD Press t or s to change the slot number then press ENT for two seconds Refer to Chapter 12 Fault Bus for more information about the slot number Maximum Synchronous Transfer Clock Press t or s to select a SCSI target then press ENT V...

Page 127: ...s to select a SCSI target then press ENT To set the maximum transfer width of this SCSI target choose Max Xfer Narrow Only or Max Xfer Wide Supported then press ENT The current clock setting will be displayed on the LCD Press ENT for two seconds to change the setting Parity Check Press t or s to select a SCSI target then press ENT Choose Parity Check then press ENT The current clock setting will b...

Page 128: ... Count Press t or s to select a SCSI target then press ENT Choose Max Tag Count then press ENT The current clock setting will be displayed on the LCD Press t or s to change the setting then press ENT for two seconds to change the setting Disabling the Maximum Tag Count will disable the internal cache of this SCSI drive SCSI Target CHL 1 ID 0 SCSI Target CHL 1 ID 0 Disconnect Support Enabled Max Ta...

Page 129: ...t Setting Press t or s to select a SCSI target then press ENT Choose Restore to Default Setting then press ENT Press ENT again for two seconds to restore the SCSI target s default settings SCSI Target CHL 1 ID 0 Restore to Default Setting Restore to Default Setting ...

Page 130: ...pter 11 Remote Administration for information on communication parameters Caching Parameters Write Back Cache Enable Disable Press t or s to select Caching Parameters then press ENT Press t or s to select Write Back Cache then press ENT The current status Enabled or Disabled will be displayed on the LCD Press ENT for two seconds to change the current setting View and Edit Config Parms Caching Para...

Page 131: ...andom Press t or s to select Caching Parameters then press ENT Press t or s to select Optimization I O then press ENT The current setting Random or Sequential will be displayed on the LCD Press ENT for two seconds to change the current setting Every time you change this setting you must reset the controller for the changes to take effect Host side SCSI Parameters Press t or s to select Host side S...

Page 132: ...fect LUNs per Host SCSI ID Press t or s to select LUNs per Host SCSI ID then press ENT The current setting will be displayed on the LCD Press t or s to select a number from 1 2 4 and 8 then press ENT for two seconds Every time you change this setting you must reset the controller for the changes to take effect Drive side SCSI Parameters Press t or s to select Drive side SCSI Parameters then press ...

Page 133: ...the controller for the changes to take effect Refer to Chapter 3 section SCSI Motor Spin Up for more information SCSI Reset at Power Up Press t or s to select Reset at Power Up then press ENT The current setting will be displayed on the LCD Press ENT for two seconds to confirm the setting Every time you change this setting you must reset the controller for the changes to take effect Refer to 3 5 2...

Page 134: ...2 11 now supports tag command queuing with an adjustable maximum tag count from 1 to 128 The default setting is Tag Command Queuing Enabled with a maximum tag count of 32 This setting can be changed or tag command queuing can be disabled From the Main Menu select View and Edit Configuration Parameters Then select Drive side SCSI Parameters Press t or s to select Maximum Tag Count then press ENT Th...

Page 135: ...able then press ENT Press t or s to choose the desired SAF TE Status Check interval Detection of Drive Hot Swap Followed by Auto Rebuild From the Main Menu use t and s to select View and Edit Configuration Parameters Press t or s to choose Drive side SCSI Parameters and then press ENT Use t or s to select Period Drive Swap Auto Check Disable and then press ENT Periodic SAF TE ChkTime Disable Set S...

Page 136: ...u use t and s to select View and Edit Configuration Parameters Press t or s to choose Drive side SCSI Parameters and then press ENT Use t or s to select Periodic Drive Check Time Disable and then press ENT Use t or s to choose the desired interval for idle drive failure detection By choosing a time value to enable the Periodic Drive Check Time the controller will poll all of the connected drives i...

Page 137: ...on the drive Disk Array Parameters Press t or s to select Disk Array Parameters then press ENT Rebuilding Priority Press t or s to select Rebuild Priority then press ENT The current setting will be displayed on the LCD Press t or s to select Low Normal Improved or High then press ENT for two seconds Verification on Writes Press t or s to select Verification on Writes then press ENT Refer to Chapte...

Page 138: ...n LD Rebuild Writes then press ENT The current setting will be displayed on the LCD Press ENT for two seconds to confirm the setting When Verification on Logical Drive Rebuild Writes is enabled rebuilding of the logical drive will be slower than when it is disabled VERIFICATION ON NORMAL DRIVE WRITES Press t or s to select On Normal Drive Writes then press ENT The current setting will be displayed...

Page 139: ... Press t or s to select Controller Parameters then press ENT The current Controller Name will be displayed on the LCD Press ENT to enter a new controller name To enter the controller name press t or s to select a character then press ENT to move to the next character After entering all the character press ENT for two seconds Controller Parameters Controller Name Not Set Enter Ctlr Name z ...

Page 140: ...User s Guide 122 Viewing and Editing Peripheral Devices Refer to Chapter 9 for information on the Redundant Controller and Chapter 12 for information on the Fault bus operation ...

Page 141: ...two seconds to mute the beeper Changing the Password Press ENT for two seconds to enter the Main Menu Press t or s to select System Functions then press ENT Press t or s to select Change Password then press ENT If there is an existing password you must enter the current password first before you can enter a new password To enter the current password press t or s to select a character then press EN...

Page 142: ...he LCD will display the message Change Password Successful Resetting the Controller Press ENT for two seconds to enter the Main Menu Press t or s to select System Functions then press ENT Press t or s to select Reset This Controller then press ENT Press ENT again for two seconds The controller will now start to reset System Functions Reset This Controller Reset This Controller New Password z Re En...

Page 143: ... Press t or s to select View System Information then press ENT Press t or s to browse through the following 1 CPU type 2 RAM type DRAM or EDO and size 3 Firmware version 4 Bootrecord version 5 Serial number 6 Battery backup status 7 Controller name View System Information RAM Type DRAM RAM Size 8MB Serial Number xxxxxxx ...

Page 144: ... View System Information then press ENT Press t or s to browse through the existing event log items To delete a specified item and all event prior to this event press ENT for 2 seconds The event log will be cleared after the controller resets View and Edit Event Logs UPS Power Failure Detected UPS Power Failure Detected ...

Page 145: ... Indicator Gauge Range Cursor Bar Item Description Cursor Bar Move the cursor bar to a desired item then press ENTER to select Controller Name Identifies the type of controller Transfer Rate Indicator Indicates the current data transfer rate Gauge Range Use or keys to change the gauge range in order to view the transfer rate indicator Cache Status Indicates the current cache status ...

Page 146: ...es in VT 100 mode PC Graphic ANSI Color Mode Enters the Main Menu and operates in ANSI color mode Show Transfer Rate Show Cache Status Press ENTER on this item to show the cache status and transfer rate Main Menu Use the arrow keys to move the cursor bar through the menu item then press ENTER to choose a menu or ESC to return to the previous menu screen ...

Page 147: ...is now initializing INVALID The logical drive was created with Optimization for Sequential I O but the current setting is Optimization for Random I O Or The logical drive was created with Optimization for Random I O but the current setting is Optimization for Sequential I O GOOD The logical drive is in good condition DRV FAILED A drive member failed in the logical drive REBUILDING Rebuilding the l...

Page 148: ... the logical drive Fail Failed drive member in the logical drive Name Logical drive name SCSI Drive s Status Item Description Slot Slot number of the SCSI drive Refer to Chapter 12 Fault Bus for details Chl The SCSI Channel of the connected drive ID The SCSI ID of the drive Size MB Drive Capacity Speed xxMB The maximum sync transfer rate of this drive Async The drive is using asynchronous mode LG_...

Page 149: ...al Spare Drive or Global Spare Drive The Local Spare Drive s LG_DRV column will show the logical drive number The Global Spare Drive s LG_DRV column will show Global NEW DRV The new drive has not been configured to any logical drive or as a spare drive USED DRV The used drive has not been configured to any logical drive or as a spare drive BAD Failed drive ABSENT Drive does not exist MISSING Drive...

Page 150: ...ultiple SCSI IDs were applied Host Channel mode only ID number The Primary Controller is using the SCSI ID for host LUN mapping NA No SCSI ID applied Drive Channel mode only SID Secondary controller s SCSI ID mapping Multiple SCSI IDs were applied Host Channel mode only ID number The Primary Controller is using the SCSI ID for host LUN mapping NA No SCSI ID applied Drive Channel mode only ...

Page 151: ...inator is disabled Diff The channel is a Differential channel The terminator can only be installed removed physically CurSynClk Current SCSI bus sync clock M The default setting of the SCSI channel is Mhz in Synchronous mode Async The default setting of the SCSI channel is Asynchronous mode empty The default SCSI bus sync clock has changed Reset the controller for the changes to take effect CurWid...

Page 152: ...ntial channel must be removed installed physically Viewing the Current Setting of Each Function Most of the current setting of each function can be viewed in the menu In the example shown above The current setting of Write Back Cache is Enabled The current setting of Optimization is Optimization for Random I O In the example shown above ...

Page 153: ...nterface 135 The current setting of SCSI Motor Spin Up is Disabled The current setting of SCSI Reset at Power Up is Enabled The current setting of Disk Access Delay Time is 15 seconds The current setting of Maximum Tag Count is 32 ...

Page 154: ...hoose View and Edit Logical Drives in the Main Menu The current logical drive configuration and status will be displayed on the screen Choose a logical drive number that has not yet been defined then press Enter A prompt Create Logical Drive will appear Select Yes and press Enter ...

Page 155: ...can be tagged for inclusion by positioning the cursor on the drive and then pressing Enter to select An asterisk will appear on the drive that has been selected Press ESC when done To limit the capacity of each drive included in the logical drive select Maximum Drive Capacity then enter the maximum capacity that will be used by each drive ...

Page 156: ... the cursor bar to that device then pressing Enter Press ESC when done To exit this menu press ESC A prompt to confirm the changes will appear Select Yes to create the logical drive or No to cancel When a fault tolerant RAID level 1 3 or 5 has been selected the controller will start initializing parity A progress indicator will be displayed on the screen After initialization is done the created lo...

Page 157: ...e View and Edit Logical Drives in the Main Menu The current logical drive configuration and status will be displayed on the screen Refer to 8 1 3 Logical Drive s Status for detailed descriptions To view the SCSI drive members of the logical drive choose the logical drive by pressing Enter ...

Page 158: ...s Enter Choose Delete logical drive Choose Yes when prompted to confirm Partitioning a Logical Drive Choose the logical drive you wish to partition then press Enter Choose Partition logical drive then press Enter Choose Yes to confirm The screen will display a partition table of up to 8 partitions with the last partition selected Press Enter and type the desired size for the selected partition the...

Page 159: ...ete then press Enter Choose Partition logical drive The current partition table of the logical drive will be displayed in tabulated form Move the cursor bar to the partition you wish to delete then press Enter Enter 0 on the partition size to delete this partition The capacity of the deleted partition will be added into the last partition ...

Page 160: ... partitions will be added to the last partition Partition 2 600MB Partition 1 300MB Partition 0 100MB 400 200 The capacity of the deleted partition will be added into the last partition As long as a partition has been changed it is necessary to re configure all host LUN mappings All the host LUN mappings will be removed with any partition change Assigning a Logical Drive Name ...

Page 161: ...urrent logical drive name will be displayed on the screen You may now enter the new logical drive name in this field Enter the logical drive name then press Enter to save the new name Rebuilding Logical Drive Choose the logical drive that has a failed member drive then press Enter Choose Rebuild logical drive then press Enter When prompted with Rebuild Logical Drive select Yes ...

Page 162: ...ve has been automatically rebuilt by a Local Spare Drive or Global Spare Drive choose Rebuild progress to view the rebuilding progress The Rebuild function will appear only when a logical drive with RAID level 1 3 or 5 has a failed drive member Refer to Chapter 3 section Automatic Rebuild and Manual Rebuild for more information ...

Page 163: ...ing Host LUNs Mapping a Logical Drive to a Host LUN Choose view and edit Host luns in the Main Menu then press Enter When prompt with Map Logical Drive select Yes A list of host channels will be displayed on the screen Choose the host channel you wish to map ...

Page 164: ...iple SCSI IDs a list of the host channel s SCSI IDs will be displayed on the screen Choose the SCSI ID you wish to map then press Enter Multiple SCSI ID is supported in firmware version 2 11 or later Firmware versions earlier than 2 11 only supports one SCSI ID ...

Page 165: ...ion select an available LUN one not mapped yet by moving the cursor bar to the LUN then pressing Enter A list of available logical drives will be displayed on the screen Move the cursor bar to the desired logical drive then press Enter A partition table of the logical drive will be displayed on the screen Move the cursor to the desired partition then press Enter ...

Page 166: ... create Choose Yes to create the LUN mapping you selected In the example above partition 2 of logical drive 0 will map to LUN 0 of SCSI ID 3 on host channel 0 Viewing and Deleting the LUN Mappings Choose the host channel and SCSI ID of the LUN mapping you wish to view or delete ...

Page 167: ...C Terminal Interface 149 A list of the current LUN mapping will be displayed on the screen Move the cursor bar to the LUN mapping you wish to delete then press Enter Select Yes to delete the LUN mapping or No to cancel ...

Page 168: ...Drives Choose View and Edit SCSI Drives in the Main Menu All drives attached to the drive channels will be displayed on the screen Refer to chapter 8 section SCSI Drive s Status for detailed descriptions of each column Scanning a New SCSI Drive ...

Page 169: ... drive status Choose the drive channel and SCSI ID of the drive you wish to scan then press Enter Viewing Drive Information Choose the SCSI drive you wish to view then press Enter Select View drive information The revision number serial number and disk capacity counts in block one block refers to 512K of the drive will be displayed on the screen ...

Page 170: ...e or as a spare drive then press Enter Choose Add Local Spare Drive A list of available logical drives will be displayed on the screen Move the cursor bar to a logical drive then press Enter The unassigned SCSI drive will be assigned to this logical drive as the Local Spare Drive When prompted with Add Local Spare Drive choose Yes ...

Page 171: ... a Global Spare Drive Move the cursor bar to the SCSI drive that has not yet been assigned to a logical drive or as a spare drive then press Enter Choose Add Global Spare Drive When prompted with Add Global Spare Drive choose Yes Identifying a Drive ...

Page 172: ...ead write LEDs of all the drives in the drive channel Choose Yes Or choose flash selected drive to flash the read write LED of the selected drive only Choose Yes Deleting a Spare Drive Global Local Spare Drive Move the cursor to a Local Spare Drive or Global Spare Drive then press Enter Choose Delete Global Local Spare Drive then press Enter again Choose Yes ...

Page 173: ...face 155 Viewing and Editing SCSI Channels Choose View and Edit SCSI Channels in the Main Menu A list of all the channels will be displayed on the screen Refer to SCSI Channel Status for detailed information Redefining a Channel Mode ...

Page 174: ... confirm the change Select Yes to change the mode of the selected SCSI channel Every time you change the channel mode you must reset the controller for the changes to take effect Viewing and Editing a SCSI ID Host Channel Choose a Host channel then press Enter Choose View and Edit SCSI ID A list of the existing ID s will be displayed on the screen ...

Page 175: ...CSI ID Press Enter on one of the existing SCSI ID Choose Add Channel SCSI ID then choose Primary Controller A list of SCSI IDs will appear Choose a SCSI ID DO NOT choose a SCSI ID used by a device that belongs to the same SCSI channel Deleting a SCSI ID ...

Page 176: ...hannel is 0 the Drive channel is 7 If only one controller exist you must set the Secondary Controller s SCSI ID to NA If a secondary controller exist you need to set a SCSI ID Multiple SCSI ID can be applied to the Host channel while the Drive channel one SCSI ID or no SCSI ID Multiple SCSI ID is supported in firmware version 2 11 or later Firmware versions earlier than 2 11 only supports one SCSI...

Page 177: ... time you change a channel s SCSI ID you must reset the controller for the changes to take effect The default SCSI ID of the Host channel is 0 the Drive channel is 7 If only one controller exist you must set the Secondary Controller s SCSI ID to NA If a secondary controller exist you need to set a SCSI ID Multiple SCSI ID can be applied to the Host channel while the Drive channel one SCSI ID or no...

Page 178: ...n press Enter Every time you change a channel s SCSI ID you must reset the controller for the changes to take effect The default SCSI ID of the Host channel is 0 the Drive channel is 7 If only one controller exist you must set the Secondary Controller s SCSI ID to NA If a secondary controller exist you need to set a SCSI ID Multiple SCSI ID can be applied to the Host channel while the Drive channe...

Page 179: ...r disabled then press Enter Choose SCSI Terminator then press Enter A dialog box will appear Choose Yes then press Enter Only a terminator with Single Ended channel can be enabled disabled through the setting shown above A terminator with Differential channel must be removed installed physically The LCD will present this as Diff ...

Page 180: ...Sync Transfer Clock then press Enter A list of the clock speed will appear Move the cursor bar to the desired speed and press Enter A dialog box Change Sync Transfer Clock will appear Choose Yes Every time you change the SCSI Transfer Speed you must reset the controller for the changes to take effect ...

Page 181: ... the cursor bar to a channel then press Enter Select Wide Transfer then press Enter A dialog box Disable Wide Transfer or Enable Wide Transfer will appear Choose Yes Every time you change the SCSI Transfer Width you must reset the controller for the changes to take effect ...

Page 182: ... Channel Move the cursor bar to a Drive channel then press Enter Select View and Edit SCSI Target then press Enter A list of all the SCSI targets and their current settings will appear Press Enter on a SCSI target and a menu list will appear on the screen ...

Page 183: ... then press Enter Enter a slot number then press Enter again Please refer to Chapter 12 Fault Bus for more information Maximum Synchronize Transfer Clock Choose Maximum Sync Xfer Clock then press Enter A dialog box will appear on the screen Enter the clock then press Enter ...

Page 184: ...lease refer to Appendix D Sync Clock Period and Sync Clock Frequency for more information Maximum Transfer Width Choose Maximum Xfer Width then press Enter Choose Yes in the dialog box to confirm the setting Parity Check ...

Page 185: ...nterface 167 Choose Parity Check Choose Yes in the dialog box that followed to confirm the setting Disconnecting Support Choose Disconnect Support Choose Yes in the dialog box that followed to confirm the setting Maximum Tag Count ...

Page 186: ...ber then press Enter Choose Yes in the dialog box that followed to confirm the setting Disabling the Maximum Tag Count will disable the internal cache of the SCSI drive Restoring the Default Setting Choose Restore to default setting then press Enter Choose Yes in the dialog box that followed to restore all the settings of the SCSI target ...

Page 187: ...ng and Editing Configuration Parameters Choose View and Edit Configuration Parameters then press Enter Move the cursor bar to the desired item then press Enter Communication Parameters Refer to Chapter 11 Remote Administration for more information ...

Page 188: ... press Enter Select Write Back Cache then press Enter Enabled or Disabled will display the current setting of the Write Back Cache Choose Yes in the dialog box that followed to confirm the setting Every time you change the Cache Parameters you must reset the controller for the changes to take effect ...

Page 189: ...hen press Enter The Random or Sequential dialog box will appear depending on the option you have selected Choose Yes in the dialog box that followed to confirm the setting Every time you change this setting you must reset the controller for the changes to take effect Refer to section Optimal for Sequential or Random I O in chapter 3 for more information ...

Page 190: ...se Host side SCSI Parameters then press Enter Choose Maximum Queued I O Count then press Enter A list of available selections will appear Move the cursor bar to an item then press Enter Choose Yes in the dialog box that followed to confirm the setting LUNs per Host SCSI ID ...

Page 191: ... list of selections will appear Move the cursor bar to an item then press Enter Choose Yes in the dialog box that followed to confirm the setting Drive side SCSI Parameters Choose Drive side SCSI Parameters then press Enter The Drive side SCSI parameters menu will appear SCSI Motor Spin Up ...

Page 192: ...p then press Enter Choose Yes in the dialog box that followed to confirm the setting SCSI Reset at Power Up Choose SCSI Reset at Power Up then press Enter Choose Yes in the dialog box that followed to confirm the setting Disk Access Delay Time ...

Page 193: ...rsor bar on a selection then press Enter Choose Yes in the dialog box that followed to confirm the setting Maximum Tag Count Choose Maximum Tag Count then press Enter A list of selections will appear Move the cursor bar to a selection then press Enter Select Yes in the dialog box that followed then press Enter to confirm the setting ...

Page 194: ...oose Disk Array Parameters then press Enter The Disk Array Parameters menu will appear Rebuild Priority Choose Rebuild Priority then press Enter A list of the priority selections will appear Move the cursor bar to a selection then press Enter ...

Page 195: ...ar to an item then press Enter Choose Yes in the dialog box that followed to confirm the setting Refer to Chapter 3 section Verify after Write for more information Every time you change this setting you must reset the controller for the changes to take effect Refer to Chapter 3 section SCSI Reset at Power Up for more information ...

Page 196: ...ontroller Parameters Controller Name Choose Controller Parameters then press Enter The current controller name will be displayed Press Enter Enter the new controller name in the dialog box that followed then press Enter ...

Page 197: ...r 8 RS 232C Terminal Interface 179 System Functions Choose System Functions in the Main Menu then press Enter The System Functions menu will appear Move the cursor bar to an item then press Enter Mute Beeper ...

Page 198: ...ont panel the RS 232C terminal interface or the Acer RAID Manager is used the user can only configure and monitor the RAID controller by providing the correct password The controller will verify the password only when entering the Main Menu from the Initial screen Always go back to the Initial screen when the controller is going to be unattended The controller password and controller name are shar...

Page 199: ...The password can not be replaced unless a correct old password is provided Key in the old password then press Enter If the password is incorrect it will not allow you to change the password Instead it will display the message Password incorrect then go back to the previous menu If the password is correct or there is no preset password it will ask for the new password Setting a New Password Enter t...

Page 200: ...ly in the password column that is used for entering a new password The existing password will be deleted No password checking will occur when entering the Main Menu from the Initial screen Reset Controller To reset the controller without powering off the system move the cursor bar to Reset Controller then press Enter Choose Yes in the dialog box that followed then press Enter The controller will n...

Page 201: ...he total DRAM size installed in the controller Firmware Version The version of the firmware Bootrecord Version The version of the boot record Serial Number The serial number of the controller Battery Backup On When the battery pack AA 9010 and the battery daughter board AA 9070 are installed and functioning normally On appears in this column Off When the battery pack AA 9010 and the battery daught...

Page 202: ......

Page 203: ... storage architecture The functionality of a redundant controller increases the availability of the RAID system All electronic components have its lifetime A simple memory parity error may sometimes cause the controller to completely hang up This is the reason why we need a redundant controller to minimize the down time chance of a RAID system Write Back Cache Enabled or Disabled There is always a...

Page 204: ...enabled by user command When should I choose Primary Secondary or Autocfg mode Generally Autocfg is the simplest way to configure the controllers By setting each controller to Autocfg mode the controllers will decide among themselves which will be the Primary or Secondary controller If you need to specify a particular controller as Primary or Secondary you must set this manually Limitations Both c...

Page 205: ...ettings Communication Parameters Redundant Configuration The redundant function of the controllers can be enabled on the front panel or a terminal interface The following describe the procedures when using the front panel Similar menus and messages are displayed when using the terminal interface The same result can be achieved regardless of the method used Connecting an RS 232C cable when using th...

Page 206: ...ller has one of its SCSI channels assigned as the host channel and the other SCSI channels assigned as the drive channel The example below was done using firmware version 2 11 Later versions of the firmware will also work perfectly well but the message displayed on the LCD may vary In firmware versions earlier than 2 11 only the primary controller serves the host s I O request while the secondary ...

Page 207: ...cting the Redundant Controller Cable Primary Controller Secondary Controller RS 232C cable RS 232C cable Redundant controller cable Male DB 9 RS 232C cable Female DB 9 Redundant Controller cable Connect one end of the AA 9016 cable RS 232C cable to the AA 9013 cable Now connect the other end of AA 9016 the 2x5 box header end to each of the controller s Redundant Controller ports located on the mai...

Page 208: ...ort of each controller Connect one end of the AA 9012 RS 232C extension cable to the AA 9011 Null Modem and the other end to the RS 232C port of your host computer Connecting the SCSI Cable to the Host Computer Connect an end of the SCSI cable to the SCSI port of the host computer then enable the SCSI terminator of the SCSI port Connect the other end of the SCSI cable with an external SCSI termina...

Page 209: ...rminator Connect the other connectors of the SCSI cable to hard drives and controllers The channel selected as the Drive Channel of the controllers must be similar For example If you connected the SCSI cable of controller 1 to channel 1 you must also connect the SCSI cable of controller 2 to channel 1 Repeat the above steps for the other drive channels Connect a power connector to each controller ...

Page 210: ...ndant Ctlr Function___ and then press ENT Note The current setting will be displayed on the LCD If this controller has never been set as a redundant controller before the default setting of the redundant controller function is Disabled The message Redundant Ctlr Function Disable will be displayed on the LCD Press ENT to go to the next step The message Enable Redundant Ctlr Autocfg will appear Use ...

Page 211: ...oller If you need to specify a particular controller as Primary or Secondary do not set it as autocfg choose primary or secondary instead Refer to the following section Redundant Configuration Using Manual Setting Power on Controller 1 Make sure Controller 2 is powered off Press ENT for two seconds on the front panel of Controller 1 to enter the Main Menu Use t or s to navigate through the menus C...

Page 212: ... the LCD Press ENT to go to the next step The message Enable Redundant Ctlr Autocfg will appear Use t or s to scroll through the available options Primary Secondary or Autocfg Press ENT for two seconds on Primary The message Redundant Ctlr Primary Inactive will appear Power off Controller 1 then power on Controller 2 Set Controller 2 to Secondary as described in the above steps Power off Controlle...

Page 213: ...er will be similar to the LCD display on the Primary controller Prior to firmware version 2 11 the secondary controller was a stand by controller i e it did not serve its own I O requests The secondary controller s LCD constantly displayed the message at right RC Standing By ENT to Cancel During normal operation the controllers continuously monitor each other Each controller is always ready to tak...

Page 214: ...to connect both controllers using the AA 9015 Dual RS 232C cable Assigning Logical Drives to the Secondary Controller A logical drive can be assigned to the Primary or Secondary controller When creating a logical drive the logical drive will by default be assigned to the Primary controller It can be assigned to the Secondary controller if the host computer is connected to the Secondary controller ...

Page 215: ...eate the Secondary controller s SCSI ID or add a SCSI ID channel in View and Edit SCSI Channels of the Main Menu Reset the two controllers and host computers for the settings to take effect Only firmware versions 2 11 and above can assign logical drives to the primary or secondary controllers Firmware versions earlier than 2 11 will automatically assign a logical drive to the primary controller an...

Page 216: ...ller takes over it will simultaneously act as both controllers If it is the Primary controller that failed the Secondary Controller becomes the Primary Controller If the failed controller is replaced by a new one later on the new controller will act as the Secondary Controller Some operating systems will not retry accessing the hard disk drives When and How is the Failed Controller Replaced Remove...

Page 217: ...Ctlr Function__ then press ENT The message Redundant Ctlr Autocfg Degraded will appear on the LCD Press ENT and the message Deassert Reset on Failed Ctlr will appear Press ENT for 2 seconds and the controller will start to scan for the new controller The new controller will then start to initialize Once initialized it will begin acting as the Secondary Controller View and Edit Peripheral Dev Deass...

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Page 219: ...s Add daughter board for more channels Terminator Up to 15 drives RAID Controller The AA 3102RS RAID controller can connect and serve redundant host computers The figure above is an example of connecting to redundant host computers The Logical drives can be accessed by two host computers at the same time The host redundant management hardware software should avoid data conflict when more than one ...

Page 220: ...an connect and serve simultaneously more than one host computers The figure above is an example of connecting to multiple host computers All host computers share the RAID facilities of a controller but access different logical drives Accessing the same logical drive will cause data conflict To prevent data conflict out of sharing the same logical drive a 3rd party HA management hardware or softwar...

Page 221: ...ing or controller notification occurs AA 3102RS will dial out to a pager to inform the administrator to take the appropriate measures There are several ways of administrating the controller remotely Acer RAID Manager using SNMP service Remote Terminal Emulation using PPP Telnet Remote Terminal Emulation using Modem Dial out pager for event notifications ...

Page 222: ...2RS RAID controller to the host computer via the RS 232C interface Install the SNMP agent that corresponds to the operating system on the Host computer and enable the SNMP service The client computer running with Acer RAID Manager will be able to remotely administer the AA 3102RS RAID controller How to Establish Connection through SNMP Choose the File menu Click Connect and choose SNMP from the po...

Page 223: ...o the AA 3102RS RAID controller and choose the baud rate speed of the RAID controller Press OK to establish the connection After the connection has been established all operations will act exactly the same as executing the Acer RAID Manager from the host computer The Fault bus error signals and drive failure signals will also pass through the SNMP The baud rate of both the RAID controller and Acer...

Page 224: ... RAID Controller Connect AA 3102RS to the host computer Assign AA 3102RS with an IP address please refer to the host operating system s manual and use TELNET from a remote client to control or monitor AA 3102RS AA 3102RS supports PPP protocol for connection to the host computer The client computer will be able to locally as well as remotely see the terminal emulation interface Hardware Connection ...

Page 225: ...s RS 232C interface Press ENT for two seconds to enter the Main Menu Press t or s to select View and Edit Config Parm then press ENT Select Communication Parameters then press ENT Select RS 232 Configuration then press ENT Select COM1 Configuration then press ENT Select COM2 if you are using COM2 Select Baud rate then press ENT Press t or s to select the baud rate then press ENT for 2 seconds to s...

Page 226: ...l Enab will appear There is no need to change the setting if it s already enabled Press t or s to select Change to Enab then press ENT for 2 seconds to set Setting PPP ID PPP Password To establish connection between AA 3102RS and the host computer through PPP it is necessary to enter a PPP Name and PPP Password for logon identification Set the PPP Name and PPP Password They will be stored in the c...

Page 227: ...s t or s to choose a character for that space then press ENT to move to the next space After the PPP Name has been entered press ENT for 2 seconds to set Select PPP Password then press ENT Enter the PPP Password one by one Press t or s to choose a character for that space then press ENT to move to the next space After the PPP Password has been entered press ENT for 2 seconds to set View and Edit C...

Page 228: ... not used for PPP connection set it as Comm Route Dir Data Routing Direct to Port to keep the terminal emulation working properly Press ENT for two seconds to enter the Main Menu Press t or s to select View and Edit Config Parm then press ENT Select Communication Parameters then press ENT Select RS 232 Configuration then press ENT Select COM1 Configuration then press ENT Select COM2 if you are usi...

Page 229: ...02RS CHECK IP ADDRESS ASSIGNED TO THE CONTROLLER Press ENT for two seconds to enter the Main Menu Press t or s to select View and Edit Config Parm then press ENT Select Communication Parameters then press ENT Select Communication Status then press ENT Select PPP Status then press ENT Press ENT to view the IP address of AA 3102RS then press t or s to view the Gateway IP address View and Edit Config...

Page 230: ...er s IP from the Client Computer Use any Telnet client program from the remote computer then connect to the IP address of AA 3102RS The terminal emulation screen will display the client Telnet program as well as when using terminal emulation locally ...

Page 231: ...imply connect a modem to AA 3102RS AA 3102RS can manage by itself the dial in remote administration and dial out event notifications through the proper settings If the controller is not connected as a redundant controller COM 1 can be used as the local RS 232C terminal interface Acer RAID Manager connection or PPP connection to the host computer COM 2 can be used to provide a remote administration...

Page 232: ...rs connected to COM 1 and COM 2 can see each other s operating screen Hardware Connection for AA 3102RS Pick up a standard external modem which uses standard AT command set Connect the modem to COM 1 or COM 2 of the AA 3102RS RAID controller Complete the other connections of the modem power cables and phone wires and switch on the power of the Modem Setting AA 3102RS using the RS 232C Terminal Int...

Page 233: ...nu then select Modem Setup in the next menu In the Modem Setup menu choose Configure Modem Port The current setting of the modem port will be displayed on the screen If there is no modem port configured yet it will display Modem Port Not Configured Press Enter on the selection and choose Configure Modem on COM 2 by pressing Enter ...

Page 234: ...m Setup menu choose Modem Initialization A dialog box will appear showing the default initialization command and the current custom initialization command Enter the AT command in the New Custom Init Cmd field if required Modem Operating Modes To send the initialization command to the modem there are three selectable options Sending Default Init command only None Default Used Sending Custom Init co...

Page 235: ... screen Press Enter to see a list of choices Choose the desired setting It is a must to enable Auto answer mode of the connected modem in order to answer the dial in calls and establish the connections automatically Initializing Modem Choose Modem Operations in the Communication Parameters menu then select Modem Functions A dialog box will appear Choose Yes to scan and send initialization command ...

Page 236: ...is example COM 1 and COM 2 are used for terminal emulation at the same time The baud rate for both COM 1 and COM 2 must be the same Set the Data Routing to Data Routing Direct to Port and enable the Terminal Emulation The Modem is now ready to answer the dial in connections If COM 1 and COM 2 are both used as terminal emulation the baud rate must be the same The baud rate setting in the client rem...

Page 237: ...rogram will look the same as the screen on the local site How do you know the modem is connected Choose Communication Status from the Communication Parameters menu and press Enter The configured COM port and it s current status will be shown on the screen The message Modem Present and Connected means the modem is connected now Setting AA 3102RS Using the Front Panel Here is an example of connectin...

Page 238: ...figure Modem on COM1 then press ENT for two seconds to set To delete the configured Modem port choose the configured Modem port then press ENT Select Deconfigure Modem Port then press ENT for two seconds to delete Modem Initialization Command In the Modem Setup menu press ENT Modem Operation Configure Modem Port Modem Operation Modem Setup Modem Port Not Configured Deconfigure Modem Port Modem Set...

Page 239: ...ing Default Init command only None Sending Custom Init command only Replace Sending Default Init command plus Custom Init command Append In the Modem Setup menu press ENT Select Modem Operation Modes then press ENT The current setting of this item will be displayed on LCD Press ENT Choose None Replace or Append then press ENT for two seconds Modem Initialization Modem Operation Modes Custom Init C...

Page 240: ... the Terminal Emulation Please refer to Chapter 11 on how to set the Baud rate Data Routing and Terminal Emulation The modem is now ready to answer the dial in connection Establish the Connection from the Remote Terminal Use a terminal emulation program that supports ANSI or VT 100 terminal emulation modes In the remote terminal program dial the phone number of the modem connected to the AA 3102RS...

Page 241: ... connected In the Communication Parameters menu press ENT Select Communication Status then press ENT Select Modem Status then press ENT The current connection status will be shown on the LCD Communication Parameters Communication Status Modem Status Modem on COM1 Connected ...

Page 242: ...erminal or a Pager If the Dial out function is used as a event notification to a pager the terminal emulation of the COM port has to be disabled If the Dial out function is used with a remote terminal enable the terminal emulation Configure the controller in order to use the remote terminal with the modem Please refer to Chapter 12 Remote Terminal Emulation Using Modem for details If the controlle...

Page 243: ...corresponding COM port must be enabled Setting Dial out Function Through the Terminal Emulation Choose View and Edit Configuration Parameters in the Main Menu then select Communication Parameters Choose Modem Operation then select Modem Setup and Dial out Function in the menu A Dial out Function menu will appear on the screen Dial out Command ...

Page 244: ...r and message if applicable have to be composed in this column If it s dialing to a remote terminal the phone number of the remote modem has to be entered in this column Refer to the manual of your modem for the AT command set Auto Dial out on Initialization Choose Auto Dial out on Initialization from the Dial out Function menu A dialog box will appear Choose Yes to confirm the change If the Auto ...

Page 245: ...to the modem to hang up the phone Dial out Retry Count Choose Dial out Retry Count in the Dial out Function menu The current setting in this column will appear Press Enter A dialog box will appear for entering the Dial out Retry Count Enter the desired Dial out Retry count in this column When the modem cannot establish the connection when dialing out the controller will retry another dial out that...

Page 246: ... dial out retry interval in this column in minutes Dial out on Event Condition Choose Dial out on Event Condition in the Dial out Function menu A list of selections will appear Move the cursor bar on the desired selection then press Enter to choose Choosing one of the options will enable the Dial out on Event Condition except Disable The controller will send the Dial out command to the modem when ...

Page 247: ...etup then press ENT Select Dial out Functions then press ENT Press t or s to see the Dial out Functions menu Dial out Command Select Dial out Command in the Dial out Functions menu then press ENT Enter the Dial out command in this column Press t or s to change the current character then press ENT to move the cursor to the next space Press ENT for two seconds when finished View and Edit Config Parm...

Page 248: ...en press ENT Press ENT for two seconds to set Dial out Timeout Select Dial out Timeout in the Dial out Functions menu then press ENT Enter the Dial out Timeout period in this column Press t or s to change the current character press ENT to move the cursor to the next space Press ENT for two seconds when finished When the modem is dialing out the controller will start to count the dial out timeout ...

Page 249: ...y count is 3 which means the controller will retry the dial out process three times after the first dial out process failed Dial out Retry Interval The Dial out Retry Interval is the interval period between the dial out retries Select Retry Interval in the Dial out Functions menu then press ENT Enter the Dial out Retry Interval in this column Press t or s to change the current character then press...

Page 250: ...able Critical Events Critical Events Only Critical Warning Critical Events and Warnings All Events All Events Warnings and Notifications Choosing one of the options will enable the Dial out on Event Condition except Disable The controller will send the Dial out command to the modem when an event occurs Event Condition Critical Events ...

Page 251: ... 232C terminal interface and Acer RAID Manager The LED of the drive that failed will light showing the location of the drive that needs to be replaced It warns the user of a dangerous situation happening to the RAID subsystem PSU ATTEN BUSY POWER ENT ESC PSU UPS Drive Failure Indicators UPS Failure Signal Input Power Supply Failure Signal Input Cooling Fan Failure Signal Input Temperature Alert Si...

Page 252: ...put signals The Fault bus design is fully open for easy integration Simply install configure and integrate the RAID controller with the enclosure the RAID controller will be able to provide corresponding alert to the user for an immediate dispose to protect the data stored in the RAID system ...

Page 253: ... Signals Input Fault bus only collects the signals it does not detect the temperature fan rotation power supply failure or the UPS power failure A user designed or a 3rd party circuit is necessary for Fault bus The user designed 3rd party circuit must do the following Detect the fan rotation and rise up or sink down the fan signal of the Fault bus pin 34 in the left Fault bus connector according t...

Page 254: ...osure collect the temperature information from each sensor and combine them into one signal Receive the UPS status from the UPS and rise up or sink down the UPS signal of the Fault bus pin 33 in the left Fault bus connector according to the received information When UPS reports a power failure activate the signal When UPS reports that power failure has recovered keep the signal inactive Drive Fail...

Page 255: ...ls are collected from the enclosure The controller itself does not detect the temperature fan rotation or the power supply voltage The input signal from the UPS has been triggered The input signal from the power supply has been triggered The input signal from the cooling fan has been triggered The input signal from the temperature sensor in the enclosure has changed UPS Power Failure Detected Powe...

Page 256: ... a drive member failed connect the Drive failed LED in front of the enclosure to pin 27 of the left Fault bus connector 4 Make sure the drive failure LED signal required is according to the drive failure LED circuit active high or active low Configuring the Controller through the Front Panel Assign Each SCSI Drive or Canister a Slot Number Press ENT for two seconds to enter the Main Menu Press t o...

Page 257: ... a Slot Number to an Empty Canister When there is an empty drive canister which currently does not contain any drive its SCSI channel ID will not appear in the drive information list Assign a slot number to this empty canister and add a drive entry in order to use it later when a drive is installed Add Drive Entry Choose View and Edit SCSI Drives to enter the Main Menu The SCSI drive information w...

Page 258: ...ment then press ENT Press t or s to select 0 for the slot number then press ENT Press ENT for two seconds to set Remove Empty Drive Entry Before an empty drive entry can be removed the slot number has to be deleted first Please refer to the paragraph above on how to delete the slot number Choose View and Edit SCSI Drives to enter the Main Menu The SCSI drive information will be displayed on the LC...

Page 259: ... Press t or s to select the desired item Power Supply Cooling Fan Temperature Alert or UPS Power Fail to Drive Failure then press ENT to choose Press t or s to select an alternative selection Press ENT for two seconds to confirm Enable Each Fault bus Error Signal Input Choose View and Edit Periph Parms to enter the Main Menu then press ENT Clear Drive Status Clear Drive Status View and Edit Periph...

Page 260: ...r Choose View and Edit SCSI Drives to enter the Main Menu The SCSI drive information will be displayed on the LCD Press t or s to select the desired SCSI drive or empty drive entry then press ENT Press t or s to select Toggle Failure Signal then press ENT Press ENT for two seconds to toggle the drive failure signal The drive failure LED should light on or off following the toggle Set Peripheral De...

Page 261: ...ture Alert or UPS Power Fail Viewing the Status of Each Fault bus Error Signal Input Choose View and Edit Periph Parms in the Main Menu then press ENT Press t or s to select View Peripheral Devices Status then press ENT Press t or s to view the desired item Power Supply Cooling Fan Temperature Alert or UPS Power Fail View and Edit Periph Parms View Peripheral Devices Status Power Supply Status Nor...

Page 262: ... connected SCSI drives will appear The Slot column indicates the current slot number of each SCSI drive Assign a Slot Number to an Existing SCSI Drive Choose the desired drive to edit the slot number then press Enter Choose Set Slot Number in the menu then press Enter Enter the corresponding slot number of this SCSI drive then press Enter The slot number will appear in the slot column of the drive...

Page 263: ... the drive information list Assign a slot number to this empty canister and add a drive entry in order to use it later when a drive is installed Add Drive Entry Choose a SCSI drive then press Enter Choose Add Drive Entry in the menu then press Enter Choose the corresponding SCSI channel ID for this empty canister then press Enter An empty drive entry ABSENT will appear in the drive information lis...

Page 264: ...mpty canister so as to use it later when a drive is installed Delete the Slot Number of a SCSI Drive or Empty Drive Entry Choose the desired SCSI drive or empty drive entry to delete its slot number and press Enter Choose Set Slot Number in the menu then press Enter on the selected slot number The slot number can also be cleared by entering 0 at the slot number ...

Page 265: ...agraph on how to delete the slot number Move the cursor on the empty drive entry then press Enter Choose Clear Drive Status then press Enter The empty drive entry will now disappear from the drive information list You will not be able to remove an empty drive entry if it has been assigned a slot number Delete the slot number before removing the empty drive entry ...

Page 266: ...ess Enter Select Define Peripheral Device Active Signal then press Enter Move the cursor to the item you wish to change then press Enter Choose Yes when prompted to confirm then press Enter to set Each error signal input can be individually set as active high or active low The drive failure signal output can also be set as active high or active low ...

Page 267: ...abled or disabled Choose View and Edit Peripheral Devices in the Main Menu then press Enter Select Set Peripheral Device Entry then press Enter Move the cursor to the desired item to enable or disable and press Enter Choose Yes in the following dialog box then press Enter to set Test Drive Failure LED for Each Drive Canister ...

Page 268: ...e drive failure LED should light on or off followed with the toggle Viewing the Status of Each Fault bus Error Signal Input Choose View and Edit Peripheral Devices in the Main Menu and press Enter Select View Peripheral Device Status in the menu and press Enter The current status of each enabled Fault bus error signal input is listed Try to emulate the errors and view the status of each item as de...

Page 269: ...AID 5 Spare Initializing and Mapping to Host Channel Automatically NRAID RAID 0 RAID 1 RAID 3 RAID 5 SCSI Drives Selection Maximum Drive Capacity Assign Spare Drive Redundant Controller Logical Drive Assignment View SCSI Drives Initialization Process About Initialization View SCSI Drives Delete Logical Drives Partition Logical Drives Redundant Controller Logical Drive Assignment Rebuild Logical Dr...

Page 270: ...SI ID Selection LUN Selection Logical Drive Selection Partition Selection Delete Host LUN Mapping View and Edit SCSI Drive Scan New Drive View Drive Information Assign Local Spare Drive Assign Global Spare Drive Delete Spare Drive Scan SCSI Drive Slot Number Assignment Add Drive Entry Clear Drive Entry Toggle Drive Failure Signal Identify SCSI Drive ...

Page 271: ... Transfer Wide Support View and Edit SCSI ID Primary Controller ID Secondary ID Both Controller ID Channel Mode Primary Controller SCSI ID Secondary Controller SCSI ID Transfer Speed Transfer Wide Support View and Edit SCSI Target Slot Number Assignment Maximum Transfer Wide Support Maximum Sync Transfer Clock Parity Check Support Disconnect Support Maximum Tag Count ...

Page 272: ...troller Fail Deassert Reset on Failed Controller Disable Redundant Controller Function Redundant Controller in Autoconfig mode View and Edit Peripheral Device Peripheral Drive status Set Peripheral Device Entry Cooling Fan Set Peripheral Drive Active Signal Power Supply Cooling Fan Temperature UPS Power Drive Failure Output Running Enabled Disabled ...

Page 273: ... Route Terminal Emulation Secondary Controller RS 232 PPP Name PPP Password Modem Function Modem Setup Scan Init Modem Scan Re Init Modem Dial out Hang up Modem Operating Modes Modem Port Assignment Modem Initialization Dial out Functions Custom Modem Initialization Default Used Replace Default Append to Default Dial out Command Auto Dial out on Initialization Dial out retry count Dial out Retry I...

Page 274: ...Count LUNs per SCSI ID Maximum Number of Concurrent Host LUN Connection Number of Tags Reserved for each Host LUN Connection Motor Spin up SCSI Reset at Power up Disk Access Delay Time Maximum Tag Queued Count Check Drive Period Rebuild Priority Verification on Writes Verification on LD Initialization Writes Verification on LD Rebuild Writes Verification on Drive Normal Writes Controller Name LCD ...

Page 275: ...6 System Functions Mute Beeper Set Change Password Reset Controller Controller Maintenance Download Bootrecord and Firmware Download Firmware View System Information CPU Type Memory Size Bootrecord version Firmware Version Serial Number Battery Backup Support ...

Page 276: ......

Page 277: ... Attenuation 0 095 dB meter 5 MHz max Pair Pair Propagation Delay Delta 0 2 ns meter max DC Resistance 0 23 Ω meter 20 C max SCSI Standards Cable Length and Corresponding Maximum Possible Drive Connections Single Ended Differential LVD Maximum Devices SCSI 1 6 m 25 m 8 SCSI 2 3 m 25 m 8 Wide SCSI 2 3 m 25 m 16 Ultra SCSI 2 1 5 m 25 m 8 Ultra SCSI 2 3m 4 Ultra Wide SCSI 2 25 m 16 Ultra Wide SCSI 2 ...

Page 278: ... Bus Sync Frequency Max Bus Throughput SCSI 1 8 bit Asynchronous 5 MB Sec Fast SCSI 2 8 bit 10 Mhz 10 MB Sec Fast Wide SCSI 2 16 bit 10 Mhz 20 MB Sec Ultra SCSI 2 8 bit 20 Mhz 20 MB Sec Ultra Wide SCSI 2 16 bit 20 Mhz 40 MB Sec Ultra2 Wide SCSI LVD 16 bit 40 Mhz 80MB Sec ...

Page 279: ...ore upgrading the firmware boot record It contains the most up to date information which is very important to the firmware upgrade and usage These files must be extracted from the compressed file and copied to directory in drive C Allow the downloading process to finish Do not reset or turn off the computer or the controller while it is downloading the file Doing so may result in an unrecoverable ...

Page 280: ...s This version of the Acer RAID Manager is for use with the firmware 2 11 If the firmware currently in the controller is earlier than 2 11 In band SCSI is not supported Establish the In band SCSI connection in Acer RAID Manager Please refer to Chapter 4 section Using In band SCSI in Acer RAID Manager for details on establishing the In band SCSI connection in Acer RAID Manager Upgrade Both Boot Rec...

Page 281: ...o the controller 3 After the boot record download completed provide the firmware filename to the Acer RAID Manager It will start to download the firmware to the controller 4 Shutdown the system which is accessing the RAID then reset the controller in order to use the new downloaded firmware Upgrade the Firmware Binary Only 1 Double click on the controller panel to get the menu appears Choose Contr...

Page 282: ...controller by using an ANSI VT 100 compatible terminal emulation program Whichever terminal emulation program is used must support the ZMODEM file transfer protocol The following example uses the HyperTerminal in Windows NT Other terminal emulation programs e g Telix and PROCOMM Plus can perform the firmware upgrade as well Establishing the connection for the RS 232 Terminal Emulation Please refer...

Page 283: ...rd Binary to the controller In HyperTerminal go to the Transfer menu and choose Send file If you are not using Hyper Terminal choose Upload or Send depending on the software 7 After the Boot Record has been downloaded send the Firmware Binary to the controller In HyperTerminal go to the Transfer menu and choose Send file If you are not using Hyper Terminal choose Upload or Send depending on the so...

Page 284: ...Download Firmware 4 Set ZMODEM as the file transfer protocol of your terminal emulation software 5 Send the Firmware Binary to the controller In HyperTerminal select Send file If you are not using HyperTerminal choose Upload or Send depending on the software 6 When the Firmware completes downloading the controller will automatically reset itself ...

Page 285: ...le in this field To calculate the Synchronous Clock Period refer to the Sample equation to get the correct Synchronous Clock Period Sample equation Mhz ns ns Mhz 8 20 10 4 12 1 4 12 1 12 10 4 10 8 20 1 4 8 20 1 9 9 6 In this example where 20 8Mhz is called the Synchronous Clock Frequency and 12 is called the Synchronous Clock Period Synchronous Clock Period Synchronous Clock Frequency Synchronous ...

Page 286: ...User s Guide D 2 Synchronous Clock Period Synchronous Clock Frequency Synchronous Clock Period Synchronous Clock Frequency 31 8 0 110 2 2 37 6 7 120 2 0 43 5 8 135 1 8 50 5 0 0 Asynchronous ...

Page 287: ...mum of 4 MB DRAM SIMM installed 7 segment LED flashes F 1 SIMM module not installed yet 2 Null board pin plug for battery backup connector JP16 is not installed SCSI channel failure detected upon start up SCSI cables connected LCD SCSI CHLs fail CHL x x x 1 Check ID numbers must be unique for each device on the same SCSI channel 2 Make sure terminators are properly installed 3 Check the voltage ou...

Page 288: ...blem System is not stable after running for a period of time 1 SCSI cable must be shorter than 3 meters 2 Make sure terminators are proper installed 3 Power supply voltage must be within specification 4 Check the enclosure s inner temperature When using Scan New SCSI Drive and the desired ID is empty an empty drive entry appears 1 Refer to Chapter 7 or Chapter 8 section Scanning New SCSI Drive on ...

Page 289: ...SI cable Specification for details All settings are too complex to remember 1 After the system installation completes write down all the settings and related information in Appendix H Take Record of the Settings for future reference Upon replacing the failed controller with a new one during Redundant controller connection nothing appears on the LCD of the new controller 1 Set the new controller as...

Page 290: ......

Page 291: ... SIMM 1 JP18 JP16 1 COM 1 RS 232C COM 2 Redundant Controller Port SCSI Channel 1 SCSI Channel 0 SCSI Channel 2 Fault bus Main Board Fault bus Daughter Board Power Connector Fault bus Connector Pin 1 33 34 RS 232C Port Pin Descriptions Pin Descriptions 1 DCD1 6 DSR1 2 RXD1 7 RST1 3 TXD1 8 CTS1 4 DTR1 9 RT1 5 GND 10 N C ...

Page 292: ...Port Main Board Pin Descriptions Pin Descriptions 1 Slot 1 2 Slot 5 3 Slot 2 4 Slot 6 5 Slot 3 6 Slot 7 7 Slot 4 8 N C 9 GND 10 GND 11 Slot 8 12 Slot 12 13 Slot 9 14 Slot 13 15 Slot 10 16 Slot 14 17 Slot 11 18 N C 19 GND 20 GND 21 Slot 15 22 Slot 18 23 Slot 16 24 Slot 19 25 Slot 17 26 Slot 20 27 Any Slot 28 N C 29 GND 30 GND 31 Power 32 Temperature 33 UPS 34 FAN ...

Page 293: ... 6 Slot 27 7 Slot 24 8 N C 9 GND 10 GND 11 Slot 28 12 Slot 32 13 Slot 29 14 Slot 33 15 Slot 30 16 Slot 34 17 Slot 31 18 N C 19 GND 20 GND 21 Slot 35 22 Slot 39 23 Slot 36 24 Slot 40 25 Slot 37 26 Slot 41 27 Slot 38 28 N C 29 GND 30 GND 31 N C 32 N C 33 N C 34 N C AA 9011 Null Modem Swap pin 2 and pin 3 Swap pin 4 and pin 6 Swap pin 7 and pin 8 ...

Page 294: ...User s Guide F 4 AA 9012 RS 232C Extension Cable Extend the cable length only no wire swap AA 9013 Redundant Controller Cable Swap pin 2 and pin 3 Swap pin 4 and pin 6 Swap pin 7 and pin 8 ...

Page 295: ...r Active software programmable SCSI protocol SCSI 1 SCSI 2 Ultra Wide SCSI 1 or 2 auto match Ultra Wide SCSI transfer rate 40 MBytes sec synchronous 10 MBytes sec asynchronous Max SCSI drives 75 No of logical drives 8 with different RAID operation Partitions 8 per logical drive total of 64 No of LUNs 8 per channel total of 64 dynamic mapping to logical drives or partitions Control Front panel or v...

Page 296: ...User s Guide G 2 ...

Page 297: ... the Settings H 1 Appendix H Record the Settings View and Edit Logical Drives Logical Drive Information LG RAID Level On Line DRV STB SB Logical Drive Name Partition Information LG Partition Size MB LG Partition Size MB ...

Page 298: ... Size MB View and Edit Host LUNs LUN Mappings Host Channel Pri Sec Controller SCSI ID LUN Logical Drive Partition Size View and Edit SCSI Drives Slot Chl ID Size MB Ultra Y N Wide Y N LG DRV Global Spare Local Spare Vendor Product ID LG LG LG LG LG LG ...

Page 299: ...LG DRV Global Spare Local Spare Vendor Product ID LG LG LG LG LG LG LG LG View and Edit SCSI Channels Chl Mode Host Drive Primary Controller SCSI ID s Secondary Controller SCSI ID s Default Sync Clock Default Wide Terminator Diff Enable Disable Current Sync Clock Current Wide ...

Page 300: ... Controller Port Baud Rate ÿ 2400 ÿ 4800 ÿ 9600 ÿ 19200 ÿ 38400 Data Routing ÿ Direct to Port ÿ Through PPP Terminal Emulation ÿ Enabled ÿ Disabled PPP Configuration PPP Access Name PPP Access Password Modem Operation Modem Setup Configure Modem Port ÿ Modem Port Not Configured ÿ COM1 ÿ COM2 Modem Operation Mode ÿ None Default Used ÿ Replace Default ÿ Append to Default Modem Initialization Custom ...

Page 301: ...ts Warnings and Notifications Caching Parameters Write back Cache ÿ Enabled ÿ Disabled Optimization for ÿ Random I O ÿ Sequential I O Host Side SCSI Parameters Maximum Queued I O Count ÿ Auto ÿ _________ LUNs per Host SCSI ID ÿ 1 LUN ÿ 2 LUNs ÿ 4 LUNs ÿ 8 LUNs Drive Side SCSI Parameters SCSI Motor Spin up ÿ Enabled ÿ Disabled SCSI Reset at Power Up ÿ Enabled ÿ Disabled Disk Access Delay Time ÿ No ...

Page 302: ...Controller Name ÿ Not Set ÿ __________ View and Edit Peripheral Devices Set Peripheral Device Entry Redundant Controller ÿ Enabled ÿ Disabled Power Supply Status ÿ Enabled ÿ Disabled Fan Status ÿ Enabled ÿ Disabled Temperature Status ÿ Enabled ÿ Disabled UPS Status ÿ Enabled ÿ Disabled Define Peripheral Device Active Signal Power Supply Fail Signal ÿ Active High ÿ Active Low Fan Fail Signal ÿ Acti...

Page 303: ...Settings H 7 Signal Drive Failure Outputs ÿ Active High ÿ Active Low View System Information Total Cache Size ÿ EDO DRAM ÿ Normal DRAM _________ MB Firmware Version Bootrecord Version Serial Number Battery Backup ÿ On ÿ Off ...

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