Hitachi CBXSS - Page 44

xliv Contents
Hitachi Unified Storage Hardware Service Guide
Locating drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3
CBXSL/CBSL Controller Boxes and DBL Drive Box. . . . . . . . . . . . . . . . . . . .4-3
CBXSS/CBSS Controller Boxes and DBS Drive Box . . . . . . . . . . . . . . . . . . .4-3
Drive-replacement instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4
Spare drive is set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-5
Spare drive is not set or there is no spare drive that can be used . . . . . . . .4-6
Replacing a drive in a RAID 0 configuration. . . . . . . . . . . . . . . . . . . . . . . .4-8
Removing and replacing drives on CBXSL/CBSL Controller Boxes and DBL Drive Box
4-10
Removing and replacing drives on CBXSS/CBSS Controller Boxes and DBS Drive Box
4-11
5 Replacing a cache backup battery . . . . . . . . . . . . . . . . . . . . . . . . .5-1
Precautions when replacing cache backup battery. . . . . . . . . . . . . . . . . . . . .5-2
Replacing the cache backup battery on CBXSS/CBXSL/CBSS/CBSL Controller Boxes5-
3
Removing the Power Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-3
Removing the cache backup battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-3
Installing a new cache backup battery . . . . . . . . . . . . . . . . . . . . . . . . . . .5-3
Installing the Power Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-4
Replacing the cache backup battery on a CBL Controller Box . . . . . . . . . . . . .5-6
Removing the cache battery backup. . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-6
Installing the new cache backup battery . . . . . . . . . . . . . . . . . . . . . . . . . .5-6
6 Replacing a Fan Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1
Precautions when replacing the Fan Module. . . . . . . . . . . . . . . . . . . . . . . . .6-2
Replacing the Fan Module on a CBL Controller Box . . . . . . . . . . . . . . . . . . . .6-2
7 Replacing a Power Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-1
Precautions when replacing the Power Unit . . . . . . . . . . . . . . . . . . . . . . . . .7-2
Replacing the Power Unit on CBXSS/CBXSL/CBSS/CBSL Controller Boxes . . . .7-2
Replacing the Power Unit on a CBL Controller Box . . . . . . . . . . . . . . . . . . . .7-5
Replacing the Power Unit on a DBL/DBS Drive Box . . . . . . . . . . . . . . . . . . . .7-7
8 Adding and replacing controllers . . . . . . . . . . . . . . . . . . . . . . . . . .8-1
Precautions when adding or replacing a controller . . . . . . . . . . . . . . . . . . . .8-2
Adding a controller to a single-controller CBXSS/CBXSL. . . . . . . . . . . . . . . . .8-3
Replacing the controller in CBXSS/CBXSL/CBSS/CBSL Controller Boxes . . . . . .8-7
Removing the faulty controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-7
Removing cache memory and Host I/O Board from the old controller . . .8-7
Installing the cache memory and Host I/O Board on the new controller . .8-8
Installing the new controller. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-8
Replacing the controller in a CBL Controller Box . . . . . . . . . . . . . . . . . . . . .8-10