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osd: Fix map gaps again (bug 15943) #12571

Merged
merged 3 commits into from
Dec 19, 2016
Merged

osd: Fix map gaps again (bug 15943) #12571

merged 3 commits into from
Dec 19, 2016
+29 −4

Commits on Dec 15, 2016

  1. PG::handle_advance_map: add debugging option to verify cached_removed… 

    …_snaps

Signed-off-by: Samuel Just <sjust@redhat.com>
    @athanatos
    athanatos committed Dec 15, 2016
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  2. qa/config/rados.yaml: enable osd_debug_verify_cached_snaps 

    Also, make map gaps more likely.

Signed-off-by: Samuel Just <sjust@redhat.com>
    @athanatos
    athanatos committed Dec 15, 2016
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  3. PG: fix cached_removed_snaps bug in PGPool::update after map gap 

    5798fb3 actually made 15943 worse
by always creating an out-of-date cached_removed_snaps value after
a map gap rather than only in the case where the the first map after
the gap did not remove any snapshots.

Introduced: 5798fb3
Fixes: http://tracker.ceph.com/issues/15943
Signed-off-by: Samuel Just <sjust@redhat.com>
    @athanatos
    athanatos committed Dec 15, 2016
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