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Identifying Enclosure and Component Features
Disk Drives and Drive Blanks
The drive bays on the front of the enclosure are numbered as follows:
1 4 7 10
2 5 8 11
3 6 9 12
The features of the drives and blanks are illustrated in Figure 2-2.
Figure 2-2: Drive (in carrier) and drive blank
Item Description
1 Drive carrier
2 Release lever
3 Release button
4 Fault/ID bicolor LED (amber or blue)
5 Online LED (green)
6 Drive blank
7 Release latch
The blue ID LED illuminates when you press the unit identification button on the rear of the
enclosure. This LED also illuminates when the drive or an array containing the drive is
selected in a management application, such as the HP Array Configuration Utility (ACU).
The amber LED on a drive illuminates when the drive has failed or when a management
application predicts that it will fail in the near future.
For more information about the meaning of various drive LED illumination patterns, refer to
Table 2-1.
2-2 HP StorageWorks Modular Smart Array 20 Maintenance and Service Guide