Health Check process 93
heat dissipation 21
heat output 24
host adapter,connecting to RAID controller 82
host-agent management method 80
hot swap
drive bays 7
drive LED activity described 128
hardware 128
hot-swap E-DDMs
installing 128
replacing 44
hot-swap hard disk drives 126
installing 128
replacing 44
hub
See managed hub 82
I
IBM Safety Information 193
IBM System Storage DS5020
battery unit 15
battery unit LEDs 103
cache memory and cache battery 116
Health Check process 93
installing the configuration 91
identification numbers 163
in-band management method 80
indicator LEDs
during power up 101
indicator lights
power supply and fan unit Fault 13
power supply and fan unit Power 13
information record, storage subsystem and
controller 164
installation
into a rack 40
into a rack cabinet 27
preparation 29, 36
installed device records 166
installing and replacing devices
blank trays 126
hot-swap hard disk drives 121
interconnect-battery unit
battery packs 117
inventory checklist 3
iSCSI
loop configurations 87
iSCSI technology,definition of 3
L
LC-LC Fibre Channel cable 51
connecting to an SFP 52
removing 54
LEDs
battery unit 103
cache battery 117
controller 104
diagnostic 107
LEDs (continued)
front bezel 102
link rate setting, verifying 136
loop configurations
overview 85, 87
redundant 85
loop redundancy,described 55
M
managed hub
in Fibre Channel loop configurations 85
in iSCSI loop configurations 87, 88
using to connect host to RAID controller 82
memory,cache
cache active LED 116
size of 116
midplane
replacing 149
Migration Guide 183
mixed configuration
cabling topologies 66
multiple drives
replacing 131
multiple E-DDMs
replacing 131
My Support 5
N
non-IBM rack installation 171
notes, important 198
notices 197
electronic emission 200
FCC, Class A 200
safety and caution xiii
static-sensitive precautions 121
numbers, drive ID 9
numeric display 107
O
out-of-band management method 81
overheating, power supplies 114
overview of the product 1
P
part numbers, power cords 179
particulate contamination 199
planned shutdown, powering off 109
power cord use by country 179
power cords 179
power indicator light
power supply and fan unit 13
power outage
due to overheated power supplies 114
power supply and fan unit
described 13
Index 215