FAQ - Frequently Asked Questions - Knowledge Base
[Thunder2 Quad] How to troubleshoot drives suddenly disappearing?
There could be different reasons for a drive to suddenly eject and disappear but following are some suggestions on how to troubleshoot such a situation and how to narrow down the problem to find the source.
- If the drives are in a RAID system, backup your data in a different location and then remove the RAID system. See if you still encounter the same problem with just the individual drives.
- Move the drives to another slot and see if the problem follows the drive or the drive slot. This could indicate either a problem with the drive itself or that particular drive slot.
- If all drives disappear at the same time and you have another Thunderbolt cable available, replace the cable and test it again.
- Check the console messages for any errors that might help explain the problem.
- Change the settings in your energy saver preferences (e.g. do not put the hard disks to sleep) and/or keep the computer from sleeping. See if that makes any difference.
- If you have access to another computer, test the Thunder2 Quad on a second computer to see if the problem still occurs.