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Removal of a disk drive SBB device is automatically sensed by the
array controller.
When installing a replacement device in a configured subsystem, the
array controller ensures that the replacement device type is identical
to the one removed. Only after establishing complete compatibility
can the array controller start configuring the disk drive SBB. As part
of the configuration process, the array controller will restore all data
that was on the original disk.
Disk Drive Status LEDs
Each disk drive SBB has two LEDs that display its operating status
(Figure 2–6). The green device activity LED (C
F
whenever the disk drive SBB is active.
LASHING
Figure 2–6 Disk Drive Status LEDs
1
2
The amber device fault LED (C
array controller detects that this device has an error condition. This
LED also F
when the array controller issues a locate
LASHES
command. This LED is only O
malfunction, except when a locate command is issued.
For detailed information about the disk drive SBB status LEDs, see
Chapter 7.
Operating the UltraSCSI Enclosure
ALLOUT
Figure C
1.
Device activity LED
2.
Device fault LED
CXO4652B
2) F
ALLOUT
LASHES
or F
when there is a device
N
LASHING
UltraSCSI RAID Enclosure 2–17
1) is O
or
N
ALLOUTS
whenever the
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