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Bug #51619

Updated by Kefu Chai over 2 years ago

in
void BlueStore::_fsck_check_pool_statfs(

the following lines
<pre><code class="cpp">

if (repairer) {
repairer->remove_key(db, PREFIX_SHARED_BLOB, key);
}
</code></pre>

should be
<pre><code class="cpp">

if (repairer) {
repairer->remove_key(db, PREFIX_STAT, key);
}
</code></pre>



The bug triggers when stray Pool statfs records are found and exposed to removal, e.g.
2021-07-08T12:12:12.128+0200 7efde5532100 20 bluestore(/var/lib/ceph/osd/ceph-42) fsck inf: found empty stray Pool StatFS record for pool id 0x2c90
2021-07-08T12:12:12.128+0200 7efde5532100 20 bluestore(/var/lib/ceph/osd/ceph-42) fsck inf: found empty stray Pool StatFS record for pool id 0x2caf
2021-07-08T12:12:12.128+0200 7efde5532100 20 bluestore(/var/lib/ceph/osd/ceph-42) fsck inf: found empty stray Pool StatFS record for pool id 0x2cce
2021-07-08T12:12:12.128+0200 7efde5532100 20 bluestore(/var/lib/ceph/osd/ceph-42) fsck inf: found empty stray Pool StatFS record for pool id 0x2ced

Then Shared blobs with matching ids would be removed instead.

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