OWC Mercury Elite-AL Pro Dual mini Chapter 4 -Troubleshooting & Tips
4 TROUBLESHOOTING, TIPS & FAQ
4.1 Troubleshooting
Some of the most simple problems can be traced to power, or connec-
tivity issues. Verify that your cables (both ends!) are properly plugged into
the computer and storage solution. If one connection type does not work,
switch to another interface and try the solution again. If these suggestions
do not work, try the OWC Mercury Elite-AL Pro Dual mini on a dierent
computer, if available to you.
• Drive activity light changes color to RED:
One of the internal hard drives is not responding properly and the LED
status lights are alerting you to this issue. You could have a failed hard drive;
note that the OWC Mercury Elite-AL Pro Dual mini’s LED lights correspond
to the drive mechanism, left and right. You should be able to tell which
drive mechanism is at fault and remove it from the enclosure for further
testing or replacement.
If your OWC Mercury Elite-AL Pro Dual mini is congured as a RAID-1 Mirror,
you can install another identical capacity hard drive in place of the failed
mechanism and the RAID will automatically rebuild, even if not connected
to a computer. It’s suggested if you do have a failed drive and are using the
OWC Mercury Elite-AL Pro Dual mini in the RAID-1 conguration, that you
let the unit sit overnight to completely nish the rebuilding process but
you can continue to use the OWC Mercury Elite-AL Pro Dual mini during the
rebuild process as well.
• Drive activity light ashes between RED and BLUE (RAID-1 Mirror
only):
One of the internal hard drives has been replaced, and the OWC Mercury
Elite-AL Pro Dual mini is rebuilding the RAID.
• Drive does not power up over eSATA connection:
The OWC Mercury Elite-AL Pro Dual mini eSATA interface requires the use
of a secondary uplink or auxiliary power adapter to use the eSATA interface.
eSATA does not supply bus power. Please see section 4.2 for more informa-
tion about those options.
• Drive connected via eSATA, but mounts as FireWire 800 device:
You are likely using a FireWire 800 cable to bus power the OWC Mercury
Elite-AL Pro Dual mini. Switch to using the FireWire 800 to 12V adapter
cable or reboot with the drive turned on and both cables plugged in.
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