openstack/cinder
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Merge "RBD: Add comment about multiattach support"

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Zuul 2018-03-01 21:30:25 +00:00 committed by Gerrit Code Review
commit c4cdaf682d
1 changed files with 7 additions and 0 deletions
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7
cinder/volume/drivers/rbd.py
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@ -475,6 +475,13 @@ class RBDDriver(driver.CloneableImageVD,
'provisioned_capacity_gb': 0,
'reserved_percentage': (
self.configuration.safe_get('reserved_percentage')),
# NOTE(eharney): Do not enable multiattach for this driver.
# For multiattach to work correctly, the exclusive-lock
# feature required by ceph journaling must be disabled.
# This has implications for replication and other Cinder
# operations.
# Multiattach support for this driver will be investigated
# as multi-attach support in Cinder matures.
'multiattach': False,
'thin_provisioning_support': True,
'max_over_subscription_ratio': (