IBM DS3950, Installation, User'S, And Maintenance Manual, Page: 248 / 252

DS3950 (continued)
Storage subsystem library 188
DS3950 documentation 187
DS4000
Hardware Maintenance Manual 197
Problem Determination Guide 197
DS4100
storage subsystem library 195
DS4200 Express
Storage subsystem library 194
DS4300
Storage subsystem library 193
DS4400
Storage subsystem library 192
DS4500
Storage subsystem library 191
DS4800
Storage subsystem library 189, 190
E
E-DDM
replacing all at same time 133, 134
replacing one at a time 133, 136
E-DDM CRUs 128
E-DDM, removal 39
EIA 310-D Type A 19-inch rack
cabinet 34
electrical requirements 23
emergency shutdown 112
enclosure ID 45
enclosure ID settings 78
enclosure information 99
environmental requirements and
specifications 21
Ethernet
connecting to RAID controller 78
F
FC-SAS, definition of 3
fiber-optic cable, handling 47
Fibre Channel
connections 84
loop configurations 85
Fibre Channel loop and ID
midplane 46
setting 45, 46
Fibre Channel loop ID
midplane 78
setting 78
Fibre Channel loop IDs 130
Fibre Channel, definition of 3
fire suppression xxv
firmware levels, determining 18
firmware updates 100
G
gaseous contamination 204
glossary 209
guidelines, fiber-optic cables 47
H
hard disk drive
replacing all at same time 133, 134
replacing one at a time 133, 136
hard disk drive, removal 39
hard disk drives
installing 127
hardware fault indicator LEDs 102
hardware service and support xxv
Health Check process 93
heat dissipation 22
heat output 24
host adapter, connecting to RAID
controller 82
host-agent management method 80
hot swap
drive bays 7
drive LED activity described 129
hardware 130
hot-swap E-DDMs
installing 130
replacing 44
hot-swap hard disk drives 128
installing 130
replacing 44
hub
See managed hub 82
I
IBM Safety Information 197
IBM System Storage DS3950
battery unit 15
battery unit LEDs 104
cache memory and cache battery 116
Health Check process 93
installing the configuration 92
identification numbers 167
in-band management method 80
indicator LEDs
during power on 102
indicator lights
power supply and fan unit Fault 13
power supply and fan unit Power 13
information record, storage subsystem
and controller 168
installation
into a rack 40
into a rack cabinet 27
preparation 29, 36
installed device records 170
installing and replacing devices
blank trays 128
hot-swap hard disk drives 121
installing components
hard disk drives 127
interconnect-battery unit
battery packs 117
inventory checklist 4
iSCSI
loop configurations 88
iSCSI technology, definition of 3
L
LC-LC Fibre Channel cable 51
connecting to an SFP 52
removing 54
LEDs
battery unit 104
cache battery 117
controller 105
diagnostic 107
front bezel 103
link rate setting, verifying 138
loop configurations
overview 85, 88
redundant 85
loop redundancy, described 56
M
managed hub
in Fibre Channel loop
configurations 85
in iSCSI loop configurations 88
using to connect host to RAID
controller 82
memory, cache
cache active LED 116
size of 116
midplane
replacing 151
Migration Guide 187
mixed configuration
cabling topologies 66
Model 94H 2, 9, 10, 105, 164, 167
Model 98H 2, 9, 11, 106, 164, 167
multiple drives
replacing 133
multiple E-DDMs
replacing 133
My Support 5
N
non-IBM rack installation 175
notes, important 203
notices 201
safety and caution xi
static-sensitive precautions 121
numbers, drive ID 9
numeric display 107
O
out-of-band management method 81
overheating, power supplies 114
overview of the product 1
P
part numbers, power cords 183
particulate contamination 204
planned shutdown, powering off 109
power cord use by country 183
power cords 183
power indicator light
power supply and fan unit 13
220
IBM System Storage DS3950 Storage Subsystem: Installation, User’s, and Maintenance Guide