Pcpro745 Posted November 27, 2020 Share Posted November 27, 2020 I had a drive failed so i powered the system off and put a new drive in and ran the parity rebuild. It said it finished but now i am seeing Unmountable No File System for that disk. Any help is appreciated. tower-diagnostics-20201126-2107.zip Quote Link to comment
itimpi Posted November 27, 2020 Share Posted November 27, 2020 Handling a drive shown as Unmountable is covered here in the online documentation that can be accessed by using the ‘Manual’ link at the bottom of the Unraid GUI. The chances are that you have file system corruption. some questions: Did the drive really fail, or did you assume that it had failed because it had a red ‘x’ in the Unraid GUI. Unraid will disable a drive when a write to it fails and often the drive itself is fine and the write failed for other reasons. do you still have the ‘failed’ drive available if needed for data recovery purposes. did the ‘emulated’ drive show as unmountable before you attempted the rebuild? A rebuild just makes a physical drive match the emulated one, it does not fix any file system errors. were any errors shown in the Unraid GUI during the rebuild process? Quote Link to comment
Pcpro745 Posted November 27, 2020 Author Share Posted November 27, 2020 The failed drive showed to be emulated then I rebooted and it showed unmountable that's when I put a new drive in. The old drive is still available but it will not read on any machines I have tried to read it on. Quote Link to comment
itimpi Posted November 28, 2020 Share Posted November 28, 2020 16 hours ago, Pcpro745 said: The failed drive showed to be emulated then I rebooted and it showed unmountable that's when I put a new drive in. The old drive is still available but it will not read on any machines I have tried to read it on. OK. You will need to run a file system check/repair to clear the unmountable state. A rebuild does not clear such a state since all the rebuild does is make a physical drive match the emulated one. The check/repair can be run on the ‘emulated’ disk before a rebuild but since you have already done the rebuild it will happen against the new physical disk. 1 Quote Link to comment
Pcpro745 Posted December 2, 2020 Author Share Posted December 2, 2020 Thanks so much! That solved my issue. I repaired it and the files came back. Put the new drive in and ran a rebuild and all is good. Quote Link to comment
trurl Posted December 2, 2020 Share Posted December 2, 2020 On 11/27/2020 at 1:29 PM, Pcpro745 said: The old drive is still available but it will not read on any machines I have tried to read it on. Unraid filesystems are not readable on Windows, maybe not anything except Linux. Quote Link to comment
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