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babis2k

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    "Unmountable disk present" -- SOLVED

    in General Support

    Posted

    23 minutes ago, Rattus said:

    Hey guys, So I've just run into the same problem as you, I know this was a while ago for you but if you can remember what you did could you please share? I was hoping that you linked to the FAQ you mentioned but it's not there.

    Thanks heaps!

     

    I've marked the above post as the "Solution" for my problem.

    "Unmountable disk present" -- SOLVED

    in General Support

    Posted

    Thank you very much for your reply.

    After I post it I found this very useful FAQ of yours and I managed to mount cache drive and I proceed with copying cache data to the array.

     

    By the way what do you think, is it a good advice for appdata, domains and system shares to use Prefer setting for cache pool?

    "Unmountable disk present" -- SOLVED

    in General Support

    Posted

    Hi all,

     

    I recently upgraded my unRAID server to 6.8.2 and I noticed that I have an "Unmountable disk present" and cache disk won't mount. I have a cache pool with 2 SSDs and one disc log information says: 

    Jan 28 10:31:53 Storage kernel: sd 1:0:1:0: [sdc] 468862128 512-byte logical blocks: (240 GB/224 GiB)
Jan 28 10:31:53 Storage kernel: sd 1:0:1:0: [sdc] Write Protect is off
Jan 28 10:31:53 Storage kernel: sd 1:0:1:0: [sdc] Mode Sense: 7f 00 10 08
Jan 28 10:31:53 Storage kernel: sd 1:0:1:0: [sdc] Write cache: enabled, read cache: enabled, supports DPO and FUA
Jan 28 10:31:53 Storage kernel: sdc: sdc1
Jan 28 10:31:53 Storage kernel: sd 1:0:1:0: [sdc] Attached SCSI disk
Jan 28 10:31:53 Storage kernel: BTRFS: device fsid eccfaaa2-5017-4960-9d5b-d1a07443a421 devid 1 transid 11830033 /dev/sdc1
Jan 28 10:32:05 Storage emhttpd: KINGSTON_SA400S37240G_50026B76827CCB3E (sdc) 512 468862128
Jan 28 10:32:06 Storage emhttpd: import 30 cache device: (sdc) KINGSTON_SA400S37240G_50026B76827CCB3E
Jan 28 10:32:13 Storage kernel: BTRFS info (device sdc1): disk space caching is enabled
Jan 28 10:32:13 Storage kernel: BTRFS info (device sdc1): has skinny extents
Jan 28 10:32:13 Storage kernel: BTRFS info (device sdc1): enabling ssd optimizations
Jan 28 10:32:13 Storage kernel: BTRFS warning (device sdc1): sdc1 checksum verify failed on 55373398016 wanted 9086B0CB found 48F5F7D4 level 0
Jan 28 10:32:13 Storage kernel: BTRFS error (device sdc1): bad tree block start, want 55373414400 have 1222961048758584978
Jan 28 10:32:13 Storage kernel: BTRFS error (device sdc1): Error removing orphan entry, stopping orphan cleanup
Jan 28 10:32:13 Storage kernel: BTRFS error (device sdc1): could not do orphan cleanup -22
Jan 28 10:32:13 Storage root: mount: /mnt/cache: wrong fs type, bad option, bad superblock on /dev/sdc1, missing codepage or helper program, or other error.
Jan 28 10:32:13 Storage kernel: BTRFS error (device sdc1): open_ctree failed

     

    All the SMART data says that nothing is wrong however a parity check completed 31/12 returned with "0 errors" (I don't know if this is related or not).

    How can I fix it?

     

    Thanks in advance.

    storage-diagnostics-20200129-0948.zip

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