> On 2018年06月10日 09:56, Qu Wenruo wrote:
>
> Since there is no other csum error exposed by btrfs check/scrub, the fix
> for this particular csum item key bit flip can be fetched here:
> https://github.com/adam900710/btrfs-progs/tree/dirty_fix
>
> The usage will be (after the normal compile procedure)
> $ ./btrfs-corrupt-block -X <device>
>
> It needs to be executed offline (the <device> must be unmounted).
>
> Thanks,
> Qu
>
Thank you very much, that fixed the issue :)
btrfs scrub now shows 5 checksum errors on a single file
[ 1869.456426] BTRFS warning (device sda5): checksum error at logical
1271386112 on dev /dev/sda5, physical 1271386112, root 257, inode 8016535,
offset 655360, length 4096, links 1 (path: var/log/journal/31d9cc011
2694cdab3887013fb7bbcf9/system@d8ae7586248c492d8d51c44efd7316da-0000000000000001-00056e3429e252bb.journal)
[ 1869.456429] BTRFS error (device sda5): bdev /dev/sda5 errs: wr 1, rd 370,
flush 0, corrupt 1, gen 0
[ 1869.457975] BTRFS warning (device sda5): checksum error at logical
1271390208 on dev /dev/sda5, physical 1271390208, root 257, inode 8016535,
offset 655360, length 4096, links 1 (path: var/log/journal/31d9cc011
2694cdab3887013fb7bbcf9/system@d8ae7586248c492d8d51c44efd7316da-0000000000000001-00056e3429e252bb.journal)
[ 1869.457978] BTRFS error (device sda5): bdev /dev/sda5 errs: wr 1, rd 370,
flush 0, corrupt 2, gen 0
[ 1869.459381] BTRFS warning (device sda5): checksum error at logical
1271394304 on dev /dev/sda5, physical 1271394304, root 257, inode 8016535,
offset 655360, length 4096, links 1 (path: var/log/journal/31d9cc011
2694cdab3887013fb7bbcf9/system@d8ae7586248c492d8d51c44efd7316da-0000000000000001-00056e3429e252bb.journal)
[ 1869.459383] BTRFS error (device sda5): bdev /dev/sda5 errs: wr 1, rd 370,
flush 0, corrupt 3, gen 0
[ 1869.460827] BTRFS warning (device sda5): checksum error at logical
1271398400 on dev /dev/sda5, physical 1271398400, root 257, inode 8016535,
offset 655360, length 4096, links 1 (path: var/log/journal/31d9cc011
2694cdab3887013fb7bbcf9/system@d8ae7586248c492d8d51c44efd7316da-0000000000000001-00056e3429e252bb.journal)
[ 1869.460829] BTRFS error (device sda5): bdev /dev/sda5 errs: wr 1, rd 370,
flush 0, corrupt 4, gen 0
[ 1869.462118] BTRFS warning (device sda5): checksum error at logical
1271402496 on dev /dev/sda5, physical 1271402496, root 257, inode 8016535,
offset 655360, length 4096, links 1 (path: var/log/journal/31d9cc011
2694cdab3887013fb7bbcf9/system@d8ae7586248c492d8d51c44efd7316da-0000000000000001-00056e3429e252bb.journal)
[ 1869.462120] BTRFS error (device sda5): bdev /dev/sda5 errs: wr 1, rd 370,
flush 0, corrupt 5, gen 0
I don't really need that file, can I simply delete it and forget about
it or is there something else I should do?
Yours,
Simon
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