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18 About Your System
In RAID configurations, the drive-status indicator lights to indicate the status
of the drive.
NOTE: For non-RAID configurations, only the drive-activity indicator is active. The
drive-status indicator is off.
Table 1-2 lists the drive indicator patterns for RAID hard drives. 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.
Connecting External Devices
When connecting external devices to your system, follow these guidelines:
• Most devices must be connected to a specific connector and device drives
must be installed before the device operates properly. (Device drivers are
normally included with your operating system software or with the device
itself.) See the documentation that accompanied the device for specific
installation and configuration instructions.
• Always attach external devices while your system and the device are turned
off. Next, turn on any external devices before turning on the system
(unless the documentation for the device specifies otherwise).
Rebuild Abort On ~3000mS
Off ~9000mS
Off ~6000mS
On ~3000mS
Off ~3000mS
The drive has been
spun down by a user
request (Prepare to
Remove operation), or
had a rebuild operation
on it aborted by a user
action or due to any
reason other than a
drive failure.
Table 1-2. Hard Drive Indicators
Pattern Green element Amber eLement Drive/slot state