- IBM switch Users and Maintenance Guide

Turning off the storage server . . . . . . . . . . . . . . . . . .67
Restoring power after an unexpected shutdown . . . . . . . . . . . . .68
Performing an emergency shutdown . . . . . . . . . . . . . . . .69
Restoring power after an emergency shutdown . . . . . . . . . . . .69
Restoring power after an over-temperature shutdown . . . . . . . . . .69
Monitoring status through software . . . . . . . . . . . . . . . . .70
Checking the LEDs . . . . . . . . . . . . . . . . . . . . . . .71
Cache memory and RAID controller battery . . . . . . . . . . . . . .75
Cache memory . . . . . . . . . . . . . . . . . . . . . . . .75
RAID controller cache battery . . . . . . . . . . . . . . . . . .76
Chapter 5. Installing and replacing components . . . . . . . . . . .79
Handling static-sensitive devices . . . . . . . . . . . . . . . . . .79
Working with hot-swap hard disk drives . . . . . . . . . . . . . . . .79
Installing hot-swap hard disk drives . . . . . . . . . . . . . . . .80
Replacing hot-swap hard disk drives . . . . . . . . . . . . . . . .82
Upgrading drives . . . . . . . . . . . . . . . . . . . . . . . .83
Adding larger-capacity drives . . . . . . . . . . . . . . . . . . .83
Replacing all drives at the same time . . . . . . . . . . . . . . .84
Replacing the drives one at a time . . . . . . . . . . . . . . . . .86
Working with hot-swap cooling fans . . . . . . . . . . . . . . . . .88
Working with power supplies . . . . . . . . . . . . . . . . . . . .89
Removing a power supply . . . . . . . . . . . . . . . . . . . .91
Installing a power supply . . . . . . . . . . . . . . . . . . . .92
Working with RAID controllers . . . . . . . . . . . . . . . . . . .94
Replacing a RAID controller . . . . . . . . . . . . . . . . . . .96
Manually upgrading the firmware for the DS4100 single-controller storage
server . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Replacing the battery in the RAID controller . . . . . . . . . . . . . . 105
Installing SFPs and fiber-optic cables . . . . . . . . . . . . . . . . 109
Adding a DS4000 EXP100 to an existing DS4100 configuration (base storage
server only) . . . . . . . . . . . . . . . . . . . . . . . . . 109
Chapter 6. Hardware maintenance . . . . . . . . . . . . . . . . 111
General checkout . . . . . . . . . . . . . . . . . . . . . . . 111
Using the diagnostic hardware . . . . . . . . . . . . . . . . . . 111
Solving problems . . . . . . . . . . . . . . . . . . . . . . . 111
Parts listing . . . . . . . . . . . . . . . . . . . . . . . . . .115
Appendix A. Records . . . . . . . . . . . . . . . . . . . . .119
Identification numbers . . . . . . . . . . . . . . . . . . . . . .119
Installed device records . . . . . . . . . . . . . . . . . . . . .119
Appendix B. Rack mounting template . . . . . . . . . . . . . . . 121
Appendix C. Power cords . . . . . . . . . . . . . . . . . . . . 125
Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Important notes . . . . . . . . . . . . . . . . . . . . . . . . 128
Electronic emission notices . . . . . . . . . . . . . . . . . . . . 128
Federal Communications Commission (FCC) statement . . . . . . . . 128
Chinese class A compliance statement . . . . . . . . . . . . . . . 129
Industry Canada Class A emission compliance statement . . . . . . . . 129
Australia and New Zealand Class A statement . . . . . . . . . . . . 129
United Kingdom telecommunications safety requirement . . . . . . . . 129
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