Hi.
During stress iozone test I got folowing in the dmesg:
btrfs: sdb1 checksum verify failed on 339968 wanted 0 found 4DF48705
from_this_trans 0
btrfs: sdb1 checksum verify failed on 2416152576 wanted 652FF515 found 33873956
from_this_trans 0
btrfs: sdb1 checksum verify failed on 2416205824 wanted 0 found 8A564C6F
from_this_trans 0
btrfs: sdb1 checksum verify failed on 2416201728 wanted 0 found 483BDD7A
from_this_trans 0
btrfs: sdb1 checksum verify failed on 2416291840 wanted 7F9C20D5 found 37743979
from_this_trans 0
btrfs: sdb1 checksum verify failed on 2416295936 wanted 52EC324B found 3EC198D9
from_this_trans 0
btrfs: sdb1 checksum verify failed on 3221446656 wanted E07513DE found CE09AC12
from_this_trans 0
btrfs: sdb1 checksum verify failed on 3221278720 wanted A8066EF9 found C0AFDE27
from_this_trans 0
btrfs: sdb1 checksum verify failed on 3221565440 wanted 3565A941 found 32B5AA6C
from_this_trans 0
btrfs: sdb1 checksum verify failed on 3221581824 wanted 40273FB3 found 4403DB2F
from_this_trans 0
btrfs: sdb1 checksum verify failed on 3221602304 wanted D7153349 found 22343E06
from_this_trans 0
Performance degraded to hell for this test (8gb file, automatic iozone mode,
probably during
random read test).
Filesystem was made with -l 4k -n 4k options and mounted with
noatime,nodatasum,ssd options.
Single 266 gb scsi disk.
Any additional details?
--
Evgeniy Polyakov
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