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Errors during btrfs rebalance after adding new drives to to cache pool

sgtsquiggs
in General Support

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How screwed am I? I have a 1TB cache pool and I am adding 2x 4TB drives to it:

  

Nov 25 07:21:33 Tower kernel: BTRFS error (device nvme0n1p1): bdev /dev/sdf1 errs: wr 201835, rd 223, flush 3930, corrupt 0, gen 0
Nov 25 07:21:33 Tower kernel: BTRFS error (device nvme0n1p1): bdev /dev/sdf1 errs: wr 201836, rd 223, flush 3930, corrupt 0, gen 0
Nov 25 07:21:33 Tower kernel: BTRFS error (device nvme0n1p1): bdev /dev/sdf1 errs: wr 201837, rd 223, flush 3930, corrupt 0, gen 0
Nov 25 07:21:33 Tower kernel: BTRFS error (device nvme0n1p1): bdev /dev/sdf1 errs: wr 201838, rd 223, flush 3930, corrupt 0, gen 0
Nov 25 07:21:33 Tower kernel: BTRFS error (device nvme0n1p1): bdev /dev/sdf1 errs: wr 201839, rd 223, flush 3930, corrupt 0, gen 0
Nov 25 07:21:33 Tower kernel: BTRFS error (device nvme0n1p1): error writing primary super block to device 2
Nov 25 07:21:33 Tower kernel: BTRFS error (device nvme0n1p1): error writing primary super block to device 2
Nov 25 07:21:35 Tower kernel: BTRFS info (device nvme0n1p1): found 12057 extents, stage: move data extents
Nov 25 07:21:35 Tower kernel: BTRFS error (device nvme0n1p1): error writing primary super block to device 2
Nov 25 07:21:36 Tower kernel: BTRFS error (device nvme0n1p1): error writing primary super block to device 2
Nov 25 07:21:36 Tower kernel: BTRFS error (device nvme0n1p1): error writing primary super block to device 2
Nov 25 07:21:36 Tower kernel: BTRFS info (device nvme0n1p1): found 12057 extents, stage: update data pointers
Nov 25 07:21:37 Tower kernel: btrfs_end_super_write: 17 callbacks suppressed
Nov 25 07:21:37 Tower kernel: BTRFS warning (device nvme0n1p1): lost page write due to IO error on /dev/sdf1 (-5)
Nov 25 07:21:37 Tower kernel: BTRFS warning (device nvme0n1p1): lost page write due to IO error on /dev/sdf1 (-5)
Nov 25 07:21:37 Tower kernel: BTRFS warning (device nvme0n1p1): lost page write due to IO error on /dev/sdf1 (-5)
Nov 25 07:21:37 Tower kernel: BTRFS error (device nvme0n1p1): error writing primary super block to device 2
Nov 25 07:21:37 Tower kernel: BTRFS warning (device nvme0n1p1): lost page write due to IO error on /dev/sdf1 (-5)
Nov 25 07:21:37 Tower kernel: BTRFS warning (device nvme0n1p1): lost page write due to IO error on /dev/sdf1 (-5)
Nov 25 07:21:37 Tower kernel: BTRFS warning (device nvme0n1p1): lost page write due to IO error on /dev/sdf1 (-5)
Nov 25 07:21:37 Tower kernel: BTRFS error (device nvme0n1p1): error writing primary super block to device 2
Nov 25 07:21:37 Tower kernel: BTRFS warning (device nvme0n1p1): lost page write due to IO error on /dev/sdf1 (-5)
Nov 25 07:21:37 Tower kernel: BTRFS warning (device nvme0n1p1): lost page write due to IO error on /dev/sdf1 (-5)
Nov 25 07:21:37 Tower kernel: BTRFS warning (device nvme0n1p1): lost page write due to IO error on /dev/sdf1 (-5)
Nov 25 07:21:37 Tower kernel: BTRFS error (device nvme0n1p1): error writing primary super block to device 2
Nov 25 07:21:37 Tower kernel: BTRFS info (device nvme0n1p1): relocating block group 1093099585536 flags data
Nov 25 07:21:37 Tower kernel: BTRFS warning (device nvme0n1p1): lost page write due to IO error on /dev/sdf1 (-5)
Nov 25 07:21:37 Tower kernel: BTRFS error (device nvme0n1p1): error writing primary super block to device 2
Nov 25 07:21:38 Tower kernel: btrfs_dev_stat_print_on_error: 1804 callbacks suppressed
Nov 25 07:21:38 Tower kernel: BTRFS error (device nvme0n1p1): bdev /dev/sdf1 errs: wr 203635, rd 223, flush 3939, corrupt 0, gen 0
Nov 25 07:21:38 Tower kernel: BTRFS error (device nvme0n1p1): bdev /dev/sdf1 errs: wr 203636, rd 223, flush 3939, corrupt 0, gen 0
Nov 25 07:21:38 Tower kernel: BTRFS error (device nvme0n1p1): bdev /dev/sdf1 errs: wr 203637, rd 223, flush 3939, corrupt 0, gen 0
Nov 25 07:21:38 Tower kernel: BTRFS error (device nvme0n1p1): bdev /dev/sdf1 errs: wr 203638, rd 223, flush 3939, corrupt 0, gen 0
Nov 25 07:21:38 Tower kernel: BTRFS error (device nvme0n1p1): bdev /dev/sdf1 errs: wr 203639, rd 223, flush 3939, corrupt 0, gen 0
Nov 25 07:21:38 Tower kernel: BTRFS error (device nvme0n1p1): bdev /dev/sdf1 errs: wr 203639, rd 223, flush 3940, corrupt 0, gen 0
Nov 25 07:21:38 Tower kernel: BTRFS error (device nvme0n1p1): bdev /dev/sdf1 errs: wr 203640, rd 223, flush 3940, corrupt 0, gen 0
Nov 25 07:21:38 Tower kernel: BTRFS error (device nvme0n1p1): bdev /dev/sdf1 errs: wr 203641, rd 223, flush 3940, corrupt 0, gen 0

 

Edit:

 

Found the issue - poor connection on one of the SSDs.

Edited by sgtsquiggs
more info

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