Component identification 12
Item LED Status Definition
Off Removing the drive does not cause a logical drive to fail.
Drive status Solid green The drive is a member of one or more logical drives.
Flashing green The drive is rebuilding or performing a RAID migration, strip size
migration, capacity expansion, or logical drive extension, or is
erasing.
Flashing
amber/green
The drive is a member of one or more logical drives and predicts
the drive will fail.
Flashing amber The drive is not configured and predicts the drive will fail.
Solid amber The drive has failed.
Off The drive is not configured by a RAID controller.
FBWC module LED definitions
The FBWC module has three single-color LEDs (one amber and two green). The LEDs are duplicated on the
reverse side of the cache module to facilitate status viewing.
1 - Amber 2 - Green 3 - Green Interpretation
Off
Off Off The cache module is not powered.
Off
Flashing 0.5 Hz Flashing 0.5 Hz The cache microcontroller is executing from within its
boot loader and receiving new flash code from the host
controller.
Off
Flashing 1 Hz Flashing 1 Hz The cache module is powering up, and the capacitor
pack is charging.
Off
Off Flashing 1 Hz The cache module is idle, and the capacitor pack is
charging.
Off
Off On The cache module is idle, and the capacitor pack is
charged.
Off
On On The cache module is idle, the capacitor pack is charged,
and the cache contains data that has not yet been
written to the drives.
Off
Flashing 1 Hz Off A backup is in progress.
Off
On Off The current backup is complete with no errors.
Flashing 1 Hz
Flashing 1 Hz Off The current backup failed, and data has been lost.