Re: 12 TB btrfs file system on virtual machine broke again

[Christian Wimmer <telefonchris@xxxxxxxxxx>]

In the warn file (var/log/messages/warn) If found following lines:

2019-12-29T13:10:33.097033-03:00 linux-ze6w kernel: [1297807.325928] btrfs_dev_stat_print_on_error: 25 callbacks suppressed
2019-12-29T13:10:33.097048-03:00 linux-ze6w kernel: [1297807.325935] BTRFS error (device sdb1): bdev /dev/sdb1 errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
2019-12-29T13:10:33.097051-03:00 linux-ze6w kernel: [1297807.326276] BTRFS error (device sdb1): bdev /dev/sdb1 errs: wr 2, rd 0, flush 0, corrupt 0, gen 0
2019-12-29T13:10:33.097052-03:00 linux-ze6w kernel: [1297807.326584] BTRFS error (device sdb1): bdev /dev/sdb1 errs: wr 3, rd 0, flush 0, corrupt 0, gen 0
2019-12-29T13:10:33.097052-03:00 linux-ze6w kernel: [1297807.326937] BTRFS error (device sdb1): bdev /dev/sdb1 errs: wr 4, rd 0, flush 0, corrupt 0, gen 0
2019-12-29T13:10:33.097057-03:00 linux-ze6w kernel: [1297807.327051] BTRFS error (device sdb1): bdev /dev/sdb1 errs: wr 5, rd 0, flush 0, corrupt 0, gen 0
2019-12-29T13:10:33.097058-03:00 linux-ze6w kernel: [1297807.327263] BTRFS error (device sdb1): bdev /dev/sdb1 errs: wr 6, rd 0, flush 0, corrupt 0, gen 0
2019-12-29T13:10:33.097058-03:00 linux-ze6w kernel: [1297807.327264] BTRFS error (device sdb1): bdev /dev/sdb1 errs: wr 7, rd 0, flush 0, corrupt 0, gen 0
2019-12-29T13:10:33.097058-03:00 linux-ze6w kernel: [1297807.327272] BTRFS error (device sdb1): bdev /dev/sdb1 errs: wr 8, rd 0, flush 0, corrupt 0, gen 0
2019-12-29T13:10:33.097059-03:00 linux-ze6w kernel: [1297807.327273] BTRFS error (device sdb1): bdev /dev/sdb1 errs: wr 9, rd 0, flush 0, corrupt 0, gen 0
2019-12-29T13:10:33.097059-03:00 linux-ze6w kernel: [1297807.327280] BTRFS error (device sdb1): bdev /dev/sdb1 errs: wr 10, rd 0, flush 0, corrupt 0, gen 0
2019-12-29T13:10:33.097068-03:00 linux-ze6w kernel: [1297807.327416] BTRFS warning (device sdb1): Skipping commit of aborted transaction.
2019-12-29T13:10:33.097069-03:00 linux-ze6w kernel: [1297807.327433] BTRFS error (device sdb1): commit super ret -5
2019-12-29T13:10:33.097069-03:00 linux-ze6w kernel: [1297807.327531] BTRFS error (device sdb1): cleaner transaction attach returned -30
2019-12-29T13:10:33.097059-03:00 linux-ze6w kernel: [1297807.327414] BTRFS: error (device sdb1) in btrfs_commit_transaction:2261: errno=-5 IO failure (Error while writing out transaction)
2019-12-29T13:10:33.097069-03:00 linux-ze6w kernel: [1297807.327418] BTRFS: error (device sdb1) in cleanup_transaction:1881: errno=-5 IO failure