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Overview: Cabling a DS4500 with two drive mini hubs . . . . . . . .77
Overview: Cabling a DS4500 with four drive mini hubs . . . . . . . .79
Using EXP500, EXP100, EXP700, or EXP710 storage expansion
enclosures . . . . . . . . . . . . . . . . . . . . . . . .81
Using EXP810 storage expansion enclosures . . . . . . . . . . .90
One DS4500 and two or more storage expansion enclosure types in a
mixed configuration . . . . . . . . . . . . . . . . . . . .98
Storage expansion enclosure ID settings . . . . . . . . . . . . . . 102
Fibre channel loop and ID settings . . . . . . . . . . . . . . . 102
DS4000 storage expansion enclosure ID settings . . . . . . . . . . 103
Connecting secondary interface cables . . . . . . . . . . . . . . . 103
Configuring the storage subsystem . . . . . . . . . . . . . . . . . 104
Storage subsystem management methods . . . . . . . . . . . . . 104
Host-agent (in-band) management method . . . . . . . . . . . . 104
Direct (out-of-band) management method . . . . . . . . . . . . 105
Connecting hosts to the DS4500 . . . . . . . . . . . . . . . . . 106
Connecting hosts directly . . . . . . . . . . . . . . . . . . . 106
Connecting hosts by using external devices . . . . . . . . . . . . 107
Cluster servers . . . . . . . . . . . . . . . . . . . . . . 109
Installing the storage subsystem configuration . . . . . . . . . . . . . 111
Cabling the power supply . . . . . . . . . . . . . . . . . . . . . 111
Setting the Link Rate Interface switch . . . . . . . . . . . . . . . .113
Setting data transfer rates on host-side mini hubs . . . . . . . . . . .114
Setting data transfer rates on drive-side mini hubs . . . . . . . . . .114
Chapter 4. Operating the storage subsystem . . . . . . . . . . . .117
Performing the DS4000 Health Check process . . . . . . . . . . . . .117
Web pages . . . . . . . . . . . . . . . . . . . . . . . . .118
Hardware responsibilities . . . . . . . . . . . . . . . . . . . .118
Powering on the storage subsystem . . . . . . . . . . . . . . . . .119
Turning on the storage subsystem . . . . . . . . . . . . . . . .119
Turning on the DS4500 Storage Subsystem alarm . . . . . . . . . . 121
Installing the DS4000 Storage Manager client . . . . . . . . . . . . . 121
Setting up IP addresses for DS4000 storage controllers . . . . . . . . . 122
Steps for setting up the DHCP/BOOTP server and network . . . . . . . 122
Steps for assigning static TCP/IP addresses to the DS4000 controllers 123
Monitoring status through software . . . . . . . . . . . . . . . . . 124
Firmware updates . . . . . . . . . . . . . . . . . . . . . . 125
Troubleshooting the storage subsystem . . . . . . . . . . . . . . 126
Checking the LEDs . . . . . . . . . . . . . . . . . . . . . . . 127
Front Bezel LEDs . . . . . . . . . . . . . . . . . . . . . . 127
Controller LEDs . . . . . . . . . . . . . . . . . . . . . . . 128
Battery unit LEDs . . . . . . . . . . . . . . . . . . . . . . 131
Fan and communications module LED . . . . . . . . . . . . . . . 132
Power supply LED . . . . . . . . . . . . . . . . . . . . . . 133
Mini hub LEDs . . . . . . . . . . . . . . . . . . . . . . . 134
Powering off the storage subsystem . . . . . . . . . . . . . . . . . 136
Turning off the storage subsystem . . . . . . . . . . . . . . . . 136
Performing an emergency shutdown . . . . . . . . . . . . . . . 138
Restoring power after an unexpected shutdown . . . . . . . . . . . 138
Recovering from an overtemperature condition and power supply shutdown 139
Turning on the power after an overtemperature shutdown . . . . . . . . 140
Checking the battery service date . . . . . . . . . . . . . . . . . 141
Cache battery and cache memory . . . . . . . . . . . . . . . . . 142
Moving or relocating the DS4500 Storage Subsystem . . . . . . . . . . 143
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