* If the GSI is amber, the system needs service. Activate the associated drawer UID button to view any
GSI error codes on the rear display.
Hot-plug drive LEDs
Hot-plug drive LEDs on HPE StoreOnce 4900 Backup server units
The hot-plug drives in server units are illustrated below. The disks in the expansion shelves have a
different carrier.
Figure 32: Drive LEDs in server unit
1. Locate Solid blue = The drive is being identified by a host application.
Flashing blue = The drive carrier firmware is being updated or requires an
update.
2. Activity ring Off = No drive activity
Rotating green = Drive activity
3. Do not remove Solid white = Do not remove the drive. Removing the drive causes one or
more of the logical drives to fail.
Off = Removing the drive will not cause a logical drive to fail.
4. Drive status Off = The drive is not configured by a RAID controller.
Solid green = The drive is a member of one or more logical drives.
Flashing green = The drive is rebuilding or performing a RAID migration,
stripe size migration, capacity expansion, or logical drive extension.
Flashing amber/green = The drive is a member of one or more logical drives
and predicts the hard drive will fail.
Flashing amber = The drive is not configured and predicts the hard drive will
fail.
Solid amber = The drive has failed.
Hot-plug LEDs on disks in HPE StoreOnce 4900 Backup disk enclosures
There are two hot spare disks in each drawer of the disk enclosure, bays 34 and 35. If a data disk fails,
the hot spare disk is automatically used until the failed disk is replaced. The disk is only returned to its
status of hot spare disk when the data is fully rebuilt on the replacement disk. The hot spare disks provide
66 Hot-plug drive LEDs
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