SCSI Hard-Drive Indicator Codes
If RAID is activated, two indicators on each of the hard-drive carriers provide information on the status of the SCSI hard drives. RAID can be enabled either by
activating the system's integrated RAID controller or by using a RAID expansion card connected to the backplane. See Figure2-3 and Table2-3. The
SCSIbackplanefirmwarecontrolsthedrivepower-on/fault indicator.
Figure 2-3. SCSI Hard-Drive Indicators
Table2-3 lists the drive indicator patterns. Different patterns are displayed as drive events occur in the system. For example, if a hard drive fails, the "drive
failed" pattern appears. After the drive is selected for removal, the "drive being prepared for removal" pattern appears, followed by the "drive ready for
insertion or removal" pattern. After the replacement drive is installed, the "drive being prepared for operation" pattern appears, followed by the "drive online"
pattern.
Table 2-3. Hard-DriveIndicatorPatterns
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