Hi folks.
This morning I started seeing these errors in my logs:
Mar 1 16:32:39 Arthur kernel: btrfs_print_data_csum_error: 102 callbacks suppressed
Mar 1 16:32:39 Arthur kernel: BTRFS warning (device nvme0n1p1): csum failed root 5 ino 19531461 off 512389120 csum 0x8941f998 expected csum 0x7d7fa01c mirror 2
Mar 1 16:32:39 Arthur kernel: btrfs_dev_stat_inc_and_print: 102 callbacks suppressed
Mar 1 16:32:39 Arthur kernel: BTRFS error (device nvme0n1p1): bdev /dev/nvme0n1p1 errs: wr 69890, rd 10037, flush 3987, corrupt 17789, gen 0
Mar 1 16:32:39 Arthur kernel: repair_io_failure: 102 callbacks suppressed
Mar 1 16:32:39 Arthur kernel: BTRFS info (device nvme0n1p1): read error corrected: ino 19531461 off 512389120 (dev /dev/nvme0n1p1 sector 1959275848)
The output of `btrfs dev stats /mnt/cache` is:
[/dev/nvme0n1p1].write_io_errs 69890
[/dev/nvme0n1p1].read_io_errs 10037
[/dev/nvme0n1p1].flush_io_errs 3987
[/dev/nvme0n1p1].corruption_errs 17911
[/dev/nvme0n1p1].generation_errs 0
[/dev/nvme1n1p1].write_io_errs 0
[/dev/nvme1n1p1].read_io_errs 0
[/dev/nvme1n1p1].flush_io_errs 0
[/dev/nvme1n1p1].corruption_errs 0
[/dev/nvme1n1p1].generation_errs 0
However the UI shows no errors or alerts. I have ordered a new SSD to replace the obviously failing one but I think this must be a bug that it's not detected my unraid.