Revert Ceph RBD to Hammer-release default features
Xenial currently ships with Ceph 10.2.2 which has a known issue that can result in updated images failing to be refreshed when the cluster is overloaded and drops update notifications [1]. This is most likely the cause for recent Ceph gate failures [2]. Disabling the new Jewel+ default image feature of exclusive-lock (revert to Hammer default behavior) should be a workaround for this issue. The RBD default features can be overridden via CEPH_RBD_DEFAULT_FEATURES [1] http://tracker.ceph.com/issues/16404 [2] https://bugs.launchpad.net/cinder/+bug/1627220 Change-Id: Id7fab306e918ba7566ebe2a765d4345fea6c5653 Closes-Bug: #1627878 Signed-off-by: Jason Dillaman <dillaman@redhat.com>
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@ -49,6 +49,9 @@ ${CEPH_LOOPBACK_DISK_SIZE:-$CEPH_LOOPBACK_DISK_SIZE_DEFAULT}
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CEPH_FSID=$(uuidgen)
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CEPH_CONF_FILE=${CEPH_CONF_DIR}/ceph.conf
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# RBD configuration defaults
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CEPH_RBD_DEFAULT_FEATURES=${CEPH_RBD_DEFAULT_FEATURES:-1}
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# Glance
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GLANCE_CEPH_USER=${GLANCE_CEPH_USER:-glance}
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GLANCE_CEPH_POOL=${GLANCE_CEPH_POOL:-images}
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@ -324,6 +327,7 @@ function configure_ceph {
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osd crush chooseleaf type = 0
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osd journal size = 100
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osd pool default size = ${CEPH_REPLICAS}
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rbd default features = ${CEPH_RBD_DEFAULT_FEATURES}
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EOF
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# bootstrap the ceph monitor
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