power supply and fan units (ac)
description
13
power-fan canister
recovering from shutdown
114
power, restoring after an emergency
112
powering off
for planned shutdown
109
powering on
after planned shutdown
95
after power supply shutdown
114
at initial startup
95
problem
determination
153
product ID
99
product overview
1
R
rack cabinet
EIA 310-D Type A 19 inch
34
preparatory procedures
32
rail installation
34
site preparation
30
rack mounting template for DS5020
167
RAID controller
cache battery
117
connecting Ethernet cable to
78
connecting host to
82
connecting RS-232 (serial) cable
79
RAID controllers)
6
rail installation
34
readme files
finding online
xxiv
records
identification numbers
163
installed device
166
redundant drive channel pair, defined
55
redundant host and drive loops
85
removal of the CRUs
36
replacing components
battery unit
144
controller
122
handling static-sensitive devices
121
Service Action Allowed Status LED
121
replacing CRUs
ac power supply and fan unit
43
controller
42
hot-swap E-DDMs
44
hot-swap hard disk drives
44
replacing failed
ac power supply and fan unit
139
midplane
149
SFP module
146
resources
Web sites
xxv
restoring power
after planned shutdown
95
after power supply shutdown
114
restoring power after an emergency
112
RS-232 serial port
79
S
safety information
xiii
safety, static-sensitive devices
29
SATA technology, definition of
3
settings
Fibre Channel loop and ID
45, 46
storage expansion enclosure
78
SFP modules
described
16
replacing
146
shock and vibrations requirements
22
shutdown, emergency
112
Simple Network Management Protocol (SNMP)
traps
11
site preparation
31
small form-factor pluggable module (SFP)
connecting an LC-LC Fibre Channel cable
52
important information about
48
protective cap
49
removal
50
removing an LC-LC cable
54
static-protective package
49
Small-form Factor Pluggable modules
described
16
replacing
146
SNMP traps
11
specifications
19
specifications, fiber-optic cables
47
startup sequence
95
static-sensitive devices, handling
29, 121
steps
connecting storage expansion enclosures
56
storage area network (SAN)
technical support Web site
xxv
storage expansion enclosure
settings
78
turning on before storage subsystem
134
storage expansion enclosures
cabling schemes
67
connecting to storage subsystem
54, 56
storage manager software and hardware
compatibility
17
storage subsystem
airflow
13
checking status
101
configuring
79
connecting storage expansion enclosures to
56
drive ID numbers
9
fans
13
fault indicator LEDs
101
identification numbers
163
information record
164
performing an emergency shutdown
112
power supply and fan unit
13
records
163
restoring power after an emergency
112
startup sequence
95
troubleshooting
100
turn on and turn off the
95
turning off
109
216
IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide