June 7, 20197 yr I'm seeing this: /var/log/syslog.2:May 30 00:41:50 unraid kernel: BTRFS: error (device loop2) in btrfs_replay_log:2277: errno=-5 IO failure (Failed to recover log tree) /var/log/syslog.2:May 30 00:42:57 unraid kernel: BTRFS: error (device md1) in btrfs_finish_ordered_io:3069: errno=-5 IO failure /var/log/syslog.2:May 30 00:43:01 unraid kernel: BTRFS: error (device loop2) in btrfs_commit_transaction:2236: errno=-5 IO failure (Error while writing out transaction) The drive is an SSD. The server got unplugged while doing lots of I/O. Logs attached. If it comes down to it, I believe I've got a good backup from a few days prior, but I'd rather try to recover from this than go through that. unraid-diagnostics-20190607-1954.zip
June 7, 20197 yr Assuming that the SSD is attached to your MegaRaid, nothing is returning any SMART info from that at all. From the each individual disk (from the Main Tab), your should try selecting MegaRaid under the SMART controller type.
June 8, 20197 yr Author Here's some more info: /dev/md1 931G 772G 159G 83% /mnt/disk1 /dev/md2 931G 776G 155G 84% /mnt/disk2 /dev/md3 279G 211G 69G 76% /mnt/disk3 /dev/md4 279G 72G 207G 26% /mnt/disk4 root@unraid:~# du -hs /mnt/disk1/* 0 /mnt/disk1/appdata 50G /mnt/disk1/system sdb/disk1 is the one with the problem Edited June 8, 20197 yr by optavia
June 8, 20197 yr Community Expert loop2 is just the docker image, that's easily fixed by recreating, the problem is disk1, it has a transid generation error, that is fatal, you'll need to backup, format and restore it.
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