LC-LC fibre-channel cable (continued)
removing
55
removing from adapter 58
LC-SC fibre-channel cable adapter
connecting
to a device 56
connecting to an LC-LC fibre-channel cable 57
protective caps 57
removing an LC-LC fibre-channel cable 58
using 55
LEDs
cache
battery 138
diagnostic 123
front bezel 118
interconnect-battery unit 127
power supply and fan unit 125
RAID controller 120
levers and latches 38, 144
line cord jumpers 3
loop configurations
overview
93
redundant 93
M
MAC address, recording 187
managed hub
in
fibre channel loop configurations 93
using to connect host to RAID controller 88
memory, cache
cache
active LED 137
size of 137
Migration Guide 177
N
notes, important 198
notices 197
electronic emission 200
FCC, Class A 200
static-sensitive precautions 141
trademarks 197
used in this book iii
used in this document xxvi
numeric display
diagnostic
codes 124
O
over-temperature condition, shutdown 111
P
parts list
IBM
System Storage DS4800 174
power cords
connecting
96
DS4800 193
power cords and receptacles 26
power off sequence, storage subsystem 108
power on sequence, storage subsystem 105
power redundancy 6, 101
power supply and fan unit
if
both units shut down, what to do 130
installing 155
LEDs 125
recovery from overheating 129
replacement procedure 153
replacing 152
shutdown recovery 130
power supply and fan units
overview
17
R
rack cabinet
EIA
310-D Type A 19 inch 35
rail installation 36
rack mounting template
DS4800
189
rack mounting template for DS4800 33
RAID controller
cache
battery 138
connecting Ethernet cable to 89
connecting host to 87
connecting RS-232 (serial) cable 89
RAID controllers
LEDs
120
reader comment form processing xxv
records, maintaining 187
Recovery Guru
controller
recovery 136
diagnose failed components 107
overheated power supply and fan unit 131
recycling 199
redundant host and drive loops 93
removing components
fiber-optic
cable 52
renaming xvii
replacing a DS4800 controller
checking
online status 149
installing 148
removing SFPs from RAID controller 147
using client software 145
replacing components
battery
pack 160
controller 145
handling static-sensitive devices 141
hot-swap procedures 141
interconnect-battery unit 156
multiple component failures 143
overview 141
power supply and fan unit 152
procedure 144
releasing levers 144
Service Action Allowed Status LED 142
SFP module 163
single component failures 142
resources
Web
sites xxiii
restoring power
after
emergency shutdown 111
216 IBM System Storage DS4800 Storage Subsystem: Installation, User’s, and Maintenance Guide
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