IBM DS4700 manual Replacing components, Hardware maintenance, Appendix B. Rack mounting template

Restoring power after an unexpected shutdown	.	.	.	137
Recovering from an overheated power supply and fan unit	.	.	.	138
Cache memory and cache battery	.	.	.	140

Cache memory . . . . . . . . . . . . . . . . . . . . . . . 141

Subsystem cache battery . . .	. . . . . . . . . . . .	. .	.	.	142
Chapter 5. Replacing components	. . . . . . . . . . . .	. .	.	.	145

Handling static-sensitive devices . . . . . . . . . . . . . . . . . . 145 Service Action Allowed Status LED . . . . . . . . . . . . . . . . . 145 Replacing a controller . . . . . . . . . . . . . . . . . . . . . . 146

Removing and replacing a bezel . . . .	. . . . . . . . .	. .	. .	.	150
Replacing a filter and filter retainer . . .	. . . . . . . . .	. .	. .	.	151
Working with hot-swapE-DDMs . . . .	. . . . . . . . .	. .	. .	.	151

Installing hot-swapE-DDMs.	. . . . . . .	. . . . . . . . .	.	.	153
Replacing hot-swapE-DDMs	. . . . . . .	. . . . . . . . .	.	.	155
Replacing multiple E-DDMs .	. . . . . . .	. . . . . . . . .	.	.	156

Replacing all E-DDMs at the same time .	. . . . . . .	. .	.	.	.	157
Replacing the E-DDMs one at a time . .	. . . . . . .	. .	.	.	.	159
Verifying the Link Rate setting	. . . . . . .	. .	.	.	.	161
Replacing an ac power supply and fan unit . .	. . . . . . .	. .	.	.	.	164
Replacing a dc power supply and fan unit . .	. . . . . . .	. .	.	.	.	169
Replacing a battery unit	. . . . . . .	. .	.	.	.	175
Replacing an SFP module	. . . . . . .	. .	.	.	.	177

Replacing a midplane . . . . . . . . . . . . . . . . . . . . . . 178

Chapter 6. Hardware maintenance	. .	. . . . . . . . .	. . . .	.	183
General checkout	. .	. . . . . . . . .	. . . .	.	183
Solving problems	. .	. . . . . . . . .	. . . .	.	183

Parts listing. . . . . . . . . . . . . . . . . . . . . . . . . . 188

Appendix A. Records . . . . . . . . . . . . . . . . . . . . . 191 Identification numbers . . . . . . . . . . . . . . . . . . . . . . 191 Storage subsystem and controller information record . . . . . . . . . . 192 Sample information record . . . . . . . . . . . . . . . . . . . 193 Installed device records . . . . . . . . . . . . . . . . . . . . . 194

Appendix B. Rack mounting template	.	195
Appendix C. Power cords	.	199
Appendix D. Additional DS4000 documentation	.	203
DS4000 Storage Manager Version 10 library	.	203
DS4800 Storage Subsystem library	.	204
DS4700 Storage Subsystem library	.	205
DS4500 Storage Subsystem library	.	206
DS4400 Storage Subsystem library	.	207
DS4300 Storage Subsystem library	.	208
DS4200 Express Storage Subsystem library	.	209
DS4100 Storage Subsystem library	.	210
DS4000 Storage Expansion Enclosure documents	.	211
Other DS4000 and DS4000-related documents	.	212

Appendix E. Accessibility . . . . . . . . . . . . . . . . . . . . 213

Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . 215 Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . 215

viIBM System Storage DS4700 Express Storage Subsystem: Installation, User’s and Maintenance Guide