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Cache drive unmountable - looks like others in forum are having the same issue


Go to solution Solved by mcrommert,

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So i updated yesterday to 6.12 - today i noticed that my dockers weren't running - Had a "Unraid service failed to start" - rebooted the server and had to dirty shutdown as it wouldn't shut down

When it booted docker started with no containers - and now the cache drive has "Unmountable: Unsupported or no file system"

This is the log 

Jun 18 09:24:49 OffensiveBias kernel: nvme0n1: p1
Jun 18 09:24:49 OffensiveBias kernel: BTRFS: device fsid 66d7b772-62bd-444f-8ec7-60544d9d9fa6 devid 1 transid 3904928 /dev/nvme0n1p1 scanned by udevd (914)
Jun 18 09:25:43 OffensiveBias root: [092543] system.php:1187 @ loop: Scanning: N:0:0:1 Node: /dev/nvme0n1
Jun 18 09:26:31 OffensiveBias emhttpd: MS1PC5ED3ORA3.2T_S2T7NA0J601609 (nvme0n1) 512 6251233968
Jun 18 09:26:31 OffensiveBias emhttpd: import 31 cache device: (nvme0n1) MS1PC5ED3ORA3.2T_S2T7NA0J601609
Jun 18 09:26:32 OffensiveBias emhttpd: read SMART /dev/nvme0n1
Jun 18 09:26:48 OffensiveBias emhttpd: /sbin/btrfs filesystem show /dev/nvme0n1p1 2>&1
Jun 18 09:26:49 OffensiveBias emhttpd:  devid    1 size 2.91TiB used 1.64TiB path /dev/nvme0n1p1
Jun 18 09:26:49 OffensiveBias emhttpd: shcmd (81): mount -t btrfs -o noatime,space_cache=v2 /dev/nvme0n1p1 /mnt/cache
Jun 18 09:26:49 OffensiveBias kernel: BTRFS info (device nvme0n1p1): using crc32c (crc32c-intel) checksum algorithm
Jun 18 09:26:49 OffensiveBias kernel: BTRFS info (device nvme0n1p1): using free space tree
Jun 18 09:26:49 OffensiveBias kernel: BTRFS info (device nvme0n1p1): enabling ssd optimizations
Jun 18 09:26:49 OffensiveBias kernel: BTRFS info (device nvme0n1p1): start tree-log replay
Jun 18 09:26:49 OffensiveBias kernel: BTRFS error (device nvme0n1p1): incorrect extent count for 1095761920; counted 4528, expected 4521
Jun 18 09:26:49 OffensiveBias kernel: BTRFS: error (device nvme0n1p1) in btrfs_replay_log:2409: errno=-5 IO failure (Failed to recover log tree)
Jun 18 09:26:49 OffensiveBias root: mount: /mnt/cache: can't read superblock on /dev/nvme0n1p1.
Jun 18 09:26:49 OffensiveBias kernel: BTRFS error (device nvme0n1p1: state E): open_ctree failed

Wondering what i can do - really really want to restore as i don't have super up to date backups

offensivebias-diagnostics-20230618-0943.zip

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On 6/19/2023 at 8:02 AM, JorgeB said:

Reboot and run another scrub, if you still see the errors and the files are not there possibly best to backup and re-format the pool.

Okay so I got rid of the errors but for whatever reason when I went back to 6.12 the parity needed to be rebuilt…no issue

 

over the last three days the server has hard crashed about 10 hours after boot while rebuilding the parity twice now and both times all containers have dropped and the webui and ssh is inaccessible 

 

as I have taken 12.1 now I need to revert somehow back to 6.11 where I didn’t have these issues 

Edited by mcrommert
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  • Solution

Will do - i also saw the macvlan warning - i had been seeing some syslog activity regarding macvlan but not having seen that warning i originally dismissed it

It also did not show up in common issues - but i switched to ipvlan 

Will let you know what i see

Edited by mcrommert
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