IBM System Storage DS5020

hardware service and support xxvii
Health Check process 95
heat dissipation 24
heat output 26
host adapter, connecting to RAID controller 84
host-agent management method 82
hot swap
drive bays 7
drive LED activity described 131
hardware 132
hot-swap E-DDMs
installing 132
replacing 46
hot-swap hard disk drives 129
installing 132
replacing 46
hub
See managed hub 84
I
IBM Safety Information 201
IBM System Storage DS5020
battery unit 16
battery unit LEDs 105
cache memory and cache battery 118
Health Check process 95
installing the configuration 94
identification numbers 171
in-band management method 82
indicator LEDs
during power on 103
indicator lights
power supply and fan unit Fault 15
power supply and fan unit Power 15
information record, storage subsystem and
controller 172
installation
into a rack 42
into a rack cabinet 29
preparation 31, 38
installed device records 174
installing and replacing devices
blank trays 130
hot-swap hard disk drives 123
installing components
hard disk drives 128
interconnect-battery unit
battery packs 119
inventory checklist 4
iSCSI
loop configurations 90
iSCSI technology, definition of 3
L
LC-LC Fibre Channel cable 53
connecting to an SFP 54
removing 56
LEDs
battery unit 105
LEDs (continued)
cache battery 119
controller 106
diagnostic 109
front bezel 104
link rate setting, verifying 140
loop configurations
overview 87, 90
redundant 87
loop redundancy, described 57
M
managed hub
in Fibre Channel loop configurations 87
in iSCSI loop configurations 90
using to connect host to RAID controller 84
memory, cache
cache active LED 118
size of 118
midplane
replacing 152
Migration Guide 191
mixed configuration
cabling topologies 68
multiple drives
replacing 134
multiple E-DDMs
replacing 134
My Support 6
N
non-IBM rack installation 179
notes, important 207
notices 205
safety and caution xiii
static-sensitive precautions 123
numbers, drive ID 10
numeric display 109
O
out-of-band management method 83
overheating, power supplies 116
overview of the product 1
P
part numbers, power cords 187
particulate contamination 208
planned shutdown, powering off 111
power cord use by country 187
power cords 187
power indicator light
power supply and fan unit 15
power outage
due to overheated power supplies 116
power supply and fan unit
described 15
Index 225