IBM StorageSmart DF1100J, Operator'S Manual

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Off The disk drive module is not powered on.
On The disk drive module is ready but not active.
Flashing
This disk drive module is active with a command in progress.
«2¬
Check light
The Check light, which is amber, shows the following conditions:
Off Normal operating condition.
Permanently On
The drive has reported a Predictive Failure Analysis
®
(PFA) error
(this error indicates that the disk drive has had an excessive
number of internally recovered errors),
OR the disk drive is faulty (this is an SES function).
Flashing (0.5 seconds on, 0.5 seconds off)
The data on this disk drive is being rebuilt using data on other
disk drives in the same array. Flashing of the light is controlled by
a SES function.
Fan-and-Power-Supply Assemblies
Two fan-and-power-supply assemblies
«1¬
are installed in the back of a unit in the
ProFibre Storage Array.
The power switch and lights are visible at the back of the unit.
Note: The diagram shows controller units. The fan-and-power-supply assemblies
are in the same position in expansion units.
mef30106
Figure 4. Fan-and-Power-Supply Assemblies
Chapter 1. Introduction
5