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Cache Unmountable: Unsupported or no file system 6.12.6

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I had this error before with my Cache drive and when i reboot it worked, unfortunately that is not the case anymore.  I upgraded from 6.12.6 to 7 and it started happening again.  I downgraded back to 6.12.6 but still have the issue. 

 

Unfortunately I did not setup my cache - array properly so any way I can either get it mounted or recover the data would be a big help.

zyzserver-diagnostics-20250115-1553.zip

Solved by JorgeB

  • Community Expert
  • Solution

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btrfs rescue zero-log /dev/nvme0n1p1

 

Then restart the array and post new diags.

  • Author

Looks like that did let it remount.  Thankfully my appdata backup did recover what I was missing.  Fixed my shares to go cache to array so hopefully that will get my data over and then I may just remove the cache.

zyzserver-diagnostics-20250116-1547.zip

  • Community Expert

Now run a correcting scrub on the pool and post the results.

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