January 19, 20233 yr Hi All, All of a sudden my cache drives went offline and unable to add to the array/cache pool without having to reformat it. I have attached the reports from the server and looking for your feedback. tower-diagnostics-20230118-1832.zip
January 19, 20233 yr Community Expert cache pool unmountable. Why do you have 500G docker.img? And I notice some shares set cache:prefer other than appdata, domains, system. Probably misconfigurations that led to overfilling btrfs filesystem on cache pool.
January 19, 20233 yr Community Expert You can try zeroing the log tree, if that's the only problem it might fix it: btrfs rescue zero-log /dev/sdl1
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