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kraken: cephfs: fragment space check can cause replayed request fail #14568

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merged 2 commits into from Apr 20, 2017

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smithfarm
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when handling replayed request, stray directory can be different
from the stray directory used by the original request. The fragment
space check for stray directory can fail.

Fixes: http://tracker.ceph.com/issues/18660
Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
(cherry picked from commit afe889c)
MDS does not trim log when it's in clientreplay state. If mds hang
at clientreplay state (due to bug), purging strays can submit lots
of log events and create very large mds log.

Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
(cherry picked from commit 86bbc7f)
@smithfarm smithfarm self-assigned this Apr 14, 2017
@smithfarm smithfarm added this to the kraken milestone Apr 14, 2017
@smithfarm smithfarm changed the title kraken: fragment space check can cause replayed request fail kraken: cephfs: fragment space check can cause replayed request fail Apr 14, 2017
@smithfarm smithfarm added cephfs Ceph File System and removed core labels Apr 14, 2017
@smithfarm smithfarm requested a review from jcsp April 20, 2017 08:33
@smithfarm
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@jcsp This passed a rados suite at http://tracker.ceph.com/issues/19009#note-22 and an fs suite at http://tracker.ceph.com/issues/19009#note-27

There are some failures in the upgrade/jewel-x and upgrade/client-upgrade suites, but the only unexplained one is http://tracker.ceph.com/issues/19637

Please review/approve if you agree its OK to merge under those conditions?

@smithfarm smithfarm merged commit 0c51569 into ceph:kraken Apr 20, 2017
@smithfarm smithfarm deleted the wip-18706-kraken branch April 20, 2017 17:00
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