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4 9176/D173 D
ISK SUBSYSTEM - SITE PREPARATION GUIDE
The following illustration depicts this particular example 9176 Disk Subsystem
configuration.
Figure 1 9176 Disk Subsystem - Order Example
Path Failover
StorageTek Disk Subsystem’s use the storage management software package known as
StorageTek Object Manager 7.10. It contains OMclient, OMagent, OMutil, and RDAC.
The first three software applications handle the organization and monitoring of data; and
RDAC is essentially the “path manager” working along with NVSRAM and AVT to route
server-requested information over any path possible.
9170 Disk Array with 180 Gigabytes (10 drive modules)
9170 Disk Array with 180 Gigabytes (10 drive modules)
9170 Disk Array with 180 Gigabytes (10 drive modules)
9170 Disk Array with 180 Gigabytes (10 drive modules)
9176 Disk Controller with 512 Megabytes of cache
three FC optical
(shortwave) cables
SUN server #1
SUN server #2
Host A
Host B
Host A
Host B
Controller A
Controller B
Controller A
Controller B
Cache
Cache
Cache
Cache
X