IBM DS3950, Installation, User'S, And Maintenance Manual, Page: 247 / 252

Index
A
a hot-swap E-DDM
replacing 132
a hot-swap hard disk drive
replacing 132
about this document xvii
ac power cords and receptacles 24
ac power recovery 24
ac power requirements 24
ac power supply
cabling 92
ac power supply and fan unit
replacing 43, 141
ac power supply and fan unit,
removal 38
ac site wiring requirements 24
accessible documentation 204
acoustical noise emission values 23
airflow 13, 22, 24
altitude ranges 22
area requirements 19
audience xvii
B
battery
LEDs 117
replacing 117
battery unit
LEDs 16, 104
overview 15
replacing 146
bays
hot-swap drive 7
best practices 5
blank trays 128
board ID 99
BOOTP server
sample network 11
C
cabling
ac power supply 92
cabling rules 67
cabling schemes
DS3950 and storage expansion
enclosures 67
one DS3950 and one EXP395 storage
expansion enclosure 70
one DS3950 and three or more EXP395
storage expansion enclosures 72
one DS3950 and two EXP395 storage
expansion enclosures 71
cabling the storage subsystem
connecting host to RAID
controller 82
connecting secondary interface
cables 78
cabling the storage subsystem (continued)
connecting storage expansion
enclosures 55
cabling topologies
one DS3950 and four storage
expansion enclosures 63
one DS3950 and one storage
expansion enclosure 59
one DS3950 and three storage
expansion enclosures 62
one DS3950 and two or more storage
expansion enclosures in a mixed
configuration 66
one DS3950 and two storage
expansion enclosures 60
one DS3950 and up to six storage
expansion enclosures 64
storage expansion enclosures and
storage subsystem 57
cache battery
See battery 117
cache memory
cache active LED 116
size of 116
caution and danger notices xi
checking the LEDs 102
components
4 Gbps hard disk drives 6
battery unit 15
battery units 7
controllers 7
power supply and fan units 7
SFP modules 7
weights 20
Concepts Guide 187
configuration, installing the storage
subsystem 92
contamination, particulate and
gaseous 204
controller
information record 168
removal 37
replacing 42
controller information 99
controllers
description 8
LEDs 105
location 8
replacing 122
cooling 24
Copy Services Guide 187
customer replaceable units (CRUs) 6
removal 36
removing a ac power supply and fan
unit 37
removing a controller 37
removing a hard disk drive 39
removing an ac power supply and fan
unit 38
removing an E-DDM 39
removing E-DDMs 37
customer replaceable units (CRUs)
(continued)
removing hard disk drives 37
replacing 42
replacing the battery unit 146
replacing the controllers 122
D
data sheet 168
devices, installing and replacing 121
DHCP server
sample network 11
diagnostic interface port 79
direct management method 81
document organization xvii
documentation
DS Storage Manager 187
DS3950 187
DS3950 storage subsystem 188
DS4000-related documents 197
DS4100 SATA storage subsystem 195
DS4200 Express storage
subsystem 194
DS4300 Fibre Channel storage
subsystem 193
DS4400 Fibre Channel storage
subsystem 192
DS4500 storage subsystem 191
DS4800 storage subsystem 189, 190
DS5000-related documents 197
Web sites xxiii
documentation format 204
documentation inventory 5
drive
2 Gbps 7
amber Fault LED 8
green Activity LED 8
trays 7
drive CRU labels 129
drive CRUs 128
drive information 99
drive LED activity 129
drive LEDs 129
drive, hard disk
replacing all at same time 133, 134
replacing one at a time 133, 136
DS Storage Manager
documentation 187
installing 97
related documents 197
using to monitor storage subsystem
status 98
DS3950
dimensions 19
environmental requirements and
specifications 21
general checkout 155
parts listing 164
Storage expansion enclosure
documentation 196
© Copyright IBM Corp. 2009, 2012
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