IBM DS3500

Cache battery learn cycle ....................87
EXP3500 expansion enclosure power features .............88
Turning on the expansion enclosure ................88
Turning off the expansion enclosure ................89
Turning off the expansion enclosure in an emergency .........90
Turning on the expansion enclosure after an emergency ........90
Chapter 5. Replacing components .................93
OK to remove LED .......................93
Working with controllers .....................93
Removing a controller .....................93
Removing and installing a cover .................94
Installing a controller ......................95
Replacing a controller .....................96
Removing and disposing of the system-board lithium battery .......99
Installing an optional host port adapter................101
Working with hot-swap hard disk drives ...............103
Removing a hard disk drive ...................105
Installing a hard disk drive ...................106
Replacing a hot-swap hard disk drive ...............108
Replacing multiple drives....................108
Replacing all drives at the same time ..............110
Replacing the drives one at a time ...............112
Replacing a power supply ....................114
Replacing a battery .......................118
Replacing the memory cache DIMM ................120
Removing the DIMM .....................120
Installing the DIMM ......................121
Replacing the bezels ......................122
Removing the bezels .....................123
Installing the bezels......................123
Working with environmental service modules .............123
Installing an additional ESM...................123
Replacing an ESM ......................124
Replacing a midplane assembly ..................125
Chapter 6. Solving problems...................127
Solving problems in the DS3500 storage subsystem...........127
Solving problems in the EXP3500 expansion enclosure .........132
Chapter 7. Parts listing, DS3500 storage subsystem and EXP3500
expansion enclosure .....................135
Replaceable components ....................135
DS3512 storage subsystem and EXP3512 expansion enclosure parts listing 135
DS3524 storage subsystem and EXP3524 expansion enclosure parts listing 137
Power cords .........................138
Appendix A. Records .....................141
Identification numbers ......................141
Hard disk drive locations .....................142
Storage subsystem and controller information record ..........143
Appendix B. Getting help and technical assistance ..........145
Before you call ........................145
Using the documentation.....................145
Getting help and information from the World Wide Web .........145
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