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rbd-mirror: improve split-brain detection logic #10703

Merged
merged 8 commits into from Aug 17, 2016
Merged

rbd-mirror: improve split-brain detection logic #10703

merged 8 commits into from Aug 17, 2016
+945 −207

Commits on Aug 16, 2016

  1. qa/workunits/rbd: demote/promote image on same cluster 

    Signed-off-by: Jason Dillaman <dillaman@redhat.com>
    Jason Dillaman committed Aug 16, 2016
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  2. rbd-mirror: include tag tid in bootstrap debug log messages 

    Signed-off-by: Jason Dillaman <dillaman@redhat.com>
    Jason Dillaman committed Aug 16, 2016
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  3. librbd: separate journal::TagData predecessor data into new struct 

    Signed-off-by: Jason Dillaman <dillaman@redhat.com>
    Jason Dillaman committed Aug 16, 2016
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  4. librbd: block RPC requests when demoting the image 

    Signed-off-by: Jason Dillaman <dillaman@redhat.com>
    Jason Dillaman committed Aug 16, 2016
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  5. librbd: normalize journal promotion/demotion events 

    A non-primary image's commit possition won't accurately reflect
the current demotion/promotion chain. Therefore, directly specify
the predecessor for promotion events.

Signed-off-by: Jason Dillaman <dillaman@redhat.com>
    Jason Dillaman committed Aug 16, 2016
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  6. rbd-mirror: demote/promote in same cluster results in split-brain 

    Fixes: http://tracker.ceph.com/issues/16855
Signed-off-by: Jason Dillaman <dillaman@redhat.com>
    Jason Dillaman committed Aug 16, 2016
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  7. rbd-mirror: prevent syncing to non-primary image after failover 

    Signed-off-by: Jason Dillaman <dillaman@redhat.com>
    Jason Dillaman committed Aug 16, 2016
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  8. test: fixed unused function warnings in unittest_rbd_mirror 

    Signed-off-by: Jason Dillaman <dillaman@redhat.com>
    Jason Dillaman committed Aug 16, 2016
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