Compaq RA8000 User Manual page 6

3 Configuring the Storage Cabinet
3.1 Configuring the EMU ................................................................................................ 3-1
3.1.1 Connecting the EMU Communications Bus ........................................................... 3-2
3.1.2 Setting the Temperature Sensors ............................................................................ 3-2
3.1.3 Setting the Blower Speed Control .......................................................................... 3-4
3.1.4 Alarm Control Switch ............................................................................................ 3-5
3.2 Setting the PVA Addresses ..................................................................................... 3-6
4 Error Analysis and Fault Isolation
4.1 Storage Subsystem Error Reporting .......................................................................... 4-1
4.2 EMU Error and Fault Status Reporting...................................................................... 4-4
4.3 EMU Subsystem Status LEDs ................................................................................... 4-5
4.3.1 EMU Status LEDs.................................................................................................. 4-5
4.3.2 Configuration Fault Code Reporting....................................................................... 4-9
4.3.3 Shutting Down the Subsystem.............................................................................. 4-15
4.4 Controller Error Conditions .................................................................................... 4-15
4.5 Storage Device Fault Notification ........................................................................... 4-16
4.6 Power Supply Fault Notification ............................................................................. 4-18
4.7 I/O Module and Expansion Cable Error Conditions................................................. 4-20
4.7.1 I/O Module or Expansion Cable ........................................................................... 4-20
4.7.2 Incompatible I/O Modules ................................................................................... 4-20
4.7.3 No I/O Module Installed ...................................................................................... 4-20
4.7.4 TERMPOWER Errors .......................................................................................... 4-21
5 Replacing Components
5.1 Replacing a Controller, Cache Module or External Cache Battery............................. 5-1
5.1.1 Tools Required....................................................................................................... 5-1
5.1.2 Precautions ............................................................................................................ 5-1
5.2 Preparing Your Host System ..................................................................................... 5-2
5.2.1 Back Up the System............................................................................................... 5-2
5.3 Array Controller Replacement .................................................................................. 5-3
5.3.1 Array Controller Removal...................................................................................... 5-3
5.3.2 Array Controller Installation .................................................................................. 5-4
5.4 Cache Module Replacement...................................................................................... 5-6
5.4.1 Cache Module Removal ......................................................................................... 5-6
5.4.2 Cache Module Installation ..................................................................................... 5-7
5.5 External Cache Battery Replacement ........................................................................ 5-8
5.6 Shutting Down the Subsystem................................................................................. 5-10
5.6.1 Automatic Shutdown Using Standby Power Mode ............................................... 5-10
5.6.2 Full Power Shutdown ........................................................................................... 5-10
5.6.2.1 Shutting Down the Subsystem for a Cold Swap................................................. 5-11
5.6.2.2 Turning On the Subsystem ................................................................................ 5-11
5.6.2.3 Disabling the External Cache Batteries.............................................................. 5-12
5 Replacing Components (continued)
5.7 Disk Drive SBB Replacement ................................................................................. 5-13
5.7.1 SBB Handling Procedures .................................................................................... 5-14
EK-SMCPR-UG. A01 387404-001
Contents
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