Each disk drive module has two lights.
Check Light
Ready Light
Ready light
The Ready light, which is green, shows the following conditions:
Permanently on
Both SSA links to the disk drive are active, and the disk drive is ready
to accept commands from the using system.
Off
Both SSA links to the disk drive are inactive because of one of the
following conditions:
v
The disk drive modules, dummy disk drive modules, or SSA
adapters that should be connected to each side of this module are
missing or not connected.
v
The disk drive modules or dummy disk drive modules that are
connected to each side of this module are inactive.
v
An SSA adapter in the same SSA loop as this module is inactive.
v
A power-on self-test (POST) is running on this disk drive.
The Ready lights on the disk drive modules within a 7133 are
repeated on the front cover of the 7133, as the Disk Drive Status
lights.
Slow flash (two seconds on, two seconds off)
Only one of the SSA links to this disk drive module is active.
Fast flash (five times per second)
This disk drive module is active with a command in progress.
Chapter 1. Using the Subsystems
9
Summary of Contents for 7133 D40
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