Shane01638 Posted July 24, 2020 Share Posted July 24, 2020 (edited) tldr; By removing the partition and letting it sit in the array, it finally gave me the option to format at the bottom which fixed itself. So yesterday I finally finished building my new server and loaded up unraid for the first time ever. Right now I have 1 nvme, 2 SSDs, and 3 HDDs. I started with the nvme as the cache drive and 1 hdd as parity and 2 hdds in the pool. Everything was working well, then I decided to add the 2 SSDs to the nvme to create a cache pool. That worked, but then I decided the SSDs might slow down the nvme and it probably wasn't necessary. Where I went wrong was just unassigning the 2 SSDs and leaving the nvme. Unraid did not like this. In the wee hours of the morning I tried various blkdiscard and btrfs device remove commands to no success. I have tried removing the partitions and formatting in xfs and btrfs and no matter what it says Unmountable: Unsupported partition layout and under cache it says unknown partition format. I formatted it as xfs and ran the following which didn't help either. root@ZUnraid:~# xfs_repair -v /dev/nvme0n1 Phase 1 - find and verify superblock... bad primary superblock - bad magic number !!! attempting to find secondary superblock... .found candidate secondary superblock... unable to verify superblock, continuing... .found candidate secondary superblock... unable to verify superblock, continuing... .found candidate secondary superblock... unable to verify superblock, continuing... Sorry, could not find valid secondary superblock Exiting now. I am at a loss now. I don't have another device with an nvme slot to try this drive in. I could make a live cd with some partition tools but I'm at a loss on how to get this added back in. Unassigned devices has no issue formatting the drive or removing the partition so I'm not sure what it's complaining about. Halp! Edited July 24, 2020 by Shane01638 Solved Quote Link to comment
JorgeB Posted July 24, 2020 Share Posted July 24, 2020 2 hours ago, Shane01638 said: xfs_repair -v /dev/nvme0n1 This would never work since it's missing the partition, but please post the diagnostics: Tools -> Diagnostics Quote Link to comment
Shane01638 Posted July 24, 2020 Author Share Posted July 24, 2020 Thanks, I thought I deleted this post as I fixed it. By removing the partition and letting it sit long enough it gave me the option to format at the bottom thus fixing itself. Quote Link to comment
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