Replacing Drives - OWC MERCURY RACK PRO Assembly Manual & User Manual

2.2 Replacing Drives

If a drive fails, the corresponding activity LED will display as solid red and
the alarm will sound. To disable the alarm, press the "Set/Mute" button once
(see Section 1.5.3). If only one drive is defective and the RAID mode is set
to RAID 1, 3, 5, or RAID 10, the data can still be accessed, but it is strongly
suggested that you replace the faulty drive mechanism immediately with an
identical drive to assure continued data safety.
To remove the drive from the enclosure, use the lever located above the drive
to eject the drive mechanism (shown above). If more than one drive fails at
the same time, or if one drive fails and the RAID mode is set to RAID 0 or
Combine (SPAN) mode, the data is lost and the system cannot be accessed
again until the drive(s) are replaced and a new array is built. Note that when
using a SPAN, only the data stored on the failed drive is lost.
1. Check the LED and replace the faulty drive. The red LED indicates the
defective drive. You do NOT need to power the enclosure off to do this.
2. For RAID 1, 3, 5, and RAID 10, the RAID array will be rebuilt automatically.
During the rebuild process, the drive LED will flash red. Rebuilding the
RAID array will take several hours to days, depending on drive capacity.
Once the rebuild is complete, the LED will turn off or flash red with activity.
Power cycle the rack enclosure to return the LED to normal operation.
3. For RAID 0 and Combine (SPAN) modes, the corresponding LED will turn
blue, showing that the defective drive has been replaced and a good drive
is inserted into the bay. You will need to clear and reset your RAID. See
Section 1.7.1 for more details.
Notes:
» While the data from a failed SPAN drive is usually not recoverable, the data
on the good drive(s) often will be recoverable.
» We recommend not turning the power off during the rebuild process.
However, if power is interrupted the data should continue rebuilding as
soon as the power is restored. The OWC Mercury Rack Pro does not need
to be connected to a computer for the rebuild process to take place.
OWC Mercury Rack Pro
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Device Setup