Compaq StorageWorks TM RAID Array 3000 Pedestal Storage Subsystem Guide de l'utilisateur Page 75
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- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
Maintenance 3-15
Compaq Confidential – Need to Know Required
Writer: Bob Young Project: RAID Array 3000 Pedestal Storage Subsystem Hardware User’s Guide Comments:
Part Number: EK-SMCPO-UG. C01 File Name: d-ch3 Maintenance.doc Last Saved On: 12/4/00 1:50 PM
The SCSI bus configuration switch selects the eight (0 – 7) SCSI bus
configurations in the pedestal. Each bus configuration determines the slot
device addresses (0 – 6) for both 8-bit and 16-bit devices. The pedestal is
configured at the factory for split-bus operation (configuration switch set to 6).
To change the configuration of the bus, you must remove the left side panel to
gain access to the backplane and the configuration switch.
NOTE: SCSI device addresses 6 and 7 are reserved for the RAID Array controllers. The
top controller slot in the pedestal is assigned device address 7 and the bottom slot
(redundant controller) is device address 6. The controller allows a maximum of 14 disk
devices on each of its device buses.
To remove the side panel, proceed as follows:
1. Quiesce the host bus by shutting down the host system.
CAUTION: To allow the UPS to supply power while the cache is being flushed
to disk, do not unplug the base pedestal from the UPS.
2. Unplug the base pedestal power cord from the wall outlet.
3. Unplug the UPS power cord from the wall outlet. The UPS will now
signal the controller to flush the cache.
4. Wait until the UPS shuts down completely (this may take several
minutes).
5. Power off the base pedestal and plug the UPS power cord into the wall
outlet.
6. Disconnect the SCSI cable from the host connector on the rear panel.
7. Remove the front door on the pedestal.
8. Remove the cover screw from the left side panel (Figure 3–8).
9. Grasp the handhold at the rear of the panel and pull the panel toward the
rear and clear of the cabinet.
- Compaq StorageWorks 1
- Contents 3
- Chapter 2 4
- Chapter 3 4
- Chapter 4 5
- Chapter 5 5
- List of Figures 5
- List of Tables 7
- About This Guide 9
- Related Documents 11
- Text Conventions 12
- Symbols in Text 13
- Symbols on Equipment 13
- This is a test 14
- Rack Stability 15
- Getting Help 15
- Compaq Website 16
- Compaq Authorized Reseller 16
- Product Overview 17
- PEDESTAL 18
- Table 1-1 19
- Pedestal Features 20
- Pedestal Cabinet 20
- Product Overview 1-5 21
- Pedestal Components 22
- Pedestal Power Supplies 23
- Product Overview 1-9 25
- UltraSCSI Buses 26
- Table 1-2 29
- Table 1-3 30
- Table 1-4 31
- (Y-cable connection cabling) 31
- Rear View of DS-SWXRA-GA 32
- Controller Pedestal 32
- Rear View of 32
- DS-SWXRA-GD 32
- Expansion Pedestal 32
- Specifications 33
- Table 1-7 34
- RAID Array Controller 35
- Controller Features 37
- Table 2-1 39
- Controller Specifications 39
- Environmental 41
- Performance Enhancements 43
- Write-Back Caching 44
- Write Gathering 45
- Write On Top 45
- RAID Levels Supported 46
- Figure 2-4. RAID 0 write 48
- RAID 0+1 49
- Table 2-5 50
- RAID 0+1 Example 50
- Redundant Operation 54
- Environmental 55
- Backup Power Management 56
- Voltage Monitoring 57
- Temperature Monitoring 58
- Board Temperature 59
- Table 2-11 59
- Maintenance 61
- SBB Status LEDs 63
- Controller LEDs 64
- EMU Error Reporting 65
- Replacing Components (FRUs) 66
- Removing the Pedestal Door 67
- Replacing an SBB 67
- Figure 3-4. Replacing an SBB 68
- Replacing a Power Supply 69
- Replacing the EMU Board 71
- Replacing the UPS 73
- Reconfiguring the SCSI Bus 74
- Maintenance 3-17 77
- Maintenance 3-19 79
- Expansion Pedestal Option 81
- Expansion Pedestal Cabinet 82
- EXPANSION PEDESTAL 83
- Expansion Pedestal Components 84
- SCSI cable 17-04454-01 86
- SHR-1495 87
- Connect Jumper Cable 89
- Remove Knockout 90
- Connect SCSI Cable 91
- Pedestal 94
- Expansion 94
- Pedestal 94
- Second Controller Option 97
- Second Controller Option Kit 98
- Installing the Upgrade 99
- Updating Firmware 100
- Shutting Down the RA3000 102
- Replacing Existing Controller 104
- Restoring the Configuration 105
- Operation 108
- HSZ22 StorageWindow) 110
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