5
Replacing a cache backup battery
5–1
Hitachi Unified Storage Hardware Service Guide
Replacing a cache backup
battery
Hitachi Unified Storage systems contain cache backup batteries
that protect cache data against a system crash and power loss.
This chapter describes how to replace the cache backup battery
on Hitachi Unified Storage systems.
The following topics are covered in this chapter:
Precautions when replacing cache backup battery
Replacing the cache backup battery on CBXSS/CBXSL/CBSS/
Replacing the cache backup battery on a CBL Controller Box
NOTE: This chapter assumes you have read the electrostatic
guidelines and other information in
and after replacing components
. If you have not, review this
information and then return to this chapter.
Summary of Contents for CBL
Page 20: ...xx Hitachi Unified Storage Hardware Service Guide Labels on the CBXSS ...
Page 30: ...xxx Hitachi Unified Storage Hardware Service Guide CBL CBLE CBLD DBS DBSD DBL DBLD DBF ...
Page 39: ...xxxix Hitachi Unified Storage Hardware Service Guide Out ...
Page 40: ...xl Hitachi Unified Storage Hardware Service Guide ...
Page 152: ...5 8 Replacing a cache backup battery Hitachi Unified Storage Hardware Service Guide ...
Page 156: ...6 4 Replacing a Fan Module Hitachi Unified Storage Hardware Service Guide ...
Page 180: ...8 16 Adding and replacing controllers Hitachi Unified Storage Hardware Service Guide ...
Page 188: ...9 8 Replacing cache memory Hitachi Unified Storage Hardware Service Guide ...
Page 200: ...11 6 Replacing the Host connector Hitachi Unified Storage Hardware Service Guide ...
Page 204: ...12 4 Replacing the Drive I O Module Hitachi Unified Storage Hardware Service Guide ...
Page 212: ...14 4 Replacing the SAS ENC cable Hitachi Unified Storage Hardware Service Guide ...
Page 274: ...17 14 Troubleshooting Hitachi Unified Storage Hardware Service Guide ...
Page 291: ...1 Hitachi Unified Storage Hardware Service Guide ...