On 10/01/14 17:16, Mark Kirkwood wrote:
On 10/01/14 16:18, David Zafman wrote:
With pool size of 1 the scrub can still do some consistency
checking. These are things like missing attributes, on-disk size
doesn’t match attribute size, non-clone without a head, expected
clone. You could check the osd logs to see what they were.
The pg below only had 1 object in error and it was detected after
2013-12-13 15:38:13.283741 which was the last clean scrub.
Right - this is what I'm seeing in the log (not immediately clear why
there is a problem, and why it needs to be seemingly trivially fixed
by a repair:
2014-01-10 15:53:52.654065 7f17ff94f700 0 log [ERR] : 2.3f scrub stat
mismatch, got 44/44 objects, 0/0 clones, 44/0 dirty, 0/0 whiteouts,
180355088/180355088 bytes.
2014-01-10 15:53:52.654079 7f17ff94f700 0 log [ERR] : 2.3f scrub 1
errors
I think I see why this message (and hence the error) is appearing in the
log, In commit 43465d (merge pull request #950 from wip-pg-stat) extra
checks were added to osd/replicatedPG.cc for dirty and whiteout. In the
log I have dirty stat mismatch - so that explains why I didn't see any
errors until I updated to this year (merge was Jan 1). This still
leaves the question of why the stat counts were wrong to start with...
Regards
Mark
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