IBM System Storage DS5020 Installation, User's, And Maintenance Manual page 256

power supply and fan units (ac)
description 15
power-fan canister
recovering from shutdown 116
power, restoring after an emergency 114
powering off
for planned shutdown 111
powering on
after planned shutdown 97
after power supply shutdown 116
at initial startup 97
problem
determination 157
product ID 101
product overview 1
R
rack cabinet
EIA 310-D Type A 19 inch 36
preparatory procedures 34
rail installation 36
site preparation 32
rack mounting template for DS5020 175
RAID controller
cache battery 119
connecting Ethernet cable to 80
connecting host to 84
connecting RS-232 (serial) cable 81
RAID controllers) 7
rail installation 36
readme files
finding online xxv
records
identification numbers 171
installed device 174
redundant drive channel pair, defined 57
redundant host and drive loops 87
removal of the CRUs 38
replacing components
battery unit 147
controller 124
handling static-sensitive devices 123
Service Action Allowed Status LED 123
replacing CRUs
ac power supply and fan unit 45
controller 44
hot-swap E-DDMs 46
hot-swap hard disk drives 46
replacing failed
ac power supply and fan unit 142
midplane 152
SFP module 149
resources
Web sites xxv
restoring power
after planned shutdown 97
after power supply shutdown 116
restoring power after an emergency 114
RS-232 serial port 81
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IBM System Storage DS5020 Storage Subsystem: Installation, User's, and Maintenance Guide
S
safety information xiii
safety, static-sensitive devices 31
SAS technology, definition of 3
SATA technology, definition of 4
settings
Fibre Channel loop and ID 47, 48
storage expansion enclosure 80
SFP modules
described 18
replacing 149
shock and vibrations requirements 25
shutdown, emergency 114
Simple Network Management Protocol (SNMP)
traps 12
site preparation 33
small form-factor pluggable module (SFP)
connecting an LC-LC Fibre Channel cable 54
important information about 50
protective cap 52
removal 52
removing an LC-LC cable 56
static-protective package 51
Small-form Factor Pluggable modules
described 18
replacing 149
SNMP traps 12
specifications 21
specifications, fiber-optic cables 49
startup sequence 97
static-sensitive devices, handling 31, 123
steps
connecting storage expansion enclosures 58
storage area network (SAN)
technical support Web site xxvi
storage expansion enclosure
settings 80
turning on before storage subsystem 137
storage expansion enclosures
cabling schemes 69
connecting to storage subsystem 56, 58
storage manager software and hardware
compatibility 19
storage subsystem
airflow 15
checking status 103
configuring 81
connecting storage expansion enclosures to 58
drive ID numbers 10
fans 15
fault indicator LEDs 103
identification numbers 171
information record 172
performing an emergency shutdown 114
power supply and fan unit 15
records 171
restoring power after an emergency 114
startup sequence 97
troubleshooting 102
turn on and turn off the 97
turning off 111