openstack/cinder
Code Issues Proposed changes

LVM: Activate thin snapshot before clone activation

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LVM may be configured to not automatically activate
thin-provisioned LVs. Ensure they are activated before
activating a clone, otherwise activating the clone may fail.

Change-Id: Iaedeb3cdc706daa34db8d50c48cf738f6edb9bcf
Related-Bug: #1642111
This commit is contained in:
Stefan Nica 2017-09-20 13:14:29 +02:00
parent 6c236bca3d
commit 17c447e9f0
1 changed files with 3 additions and 0 deletions
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3
cinder/volume/drivers/lvm.py
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@ -416,6 +416,9 @@ class LVMVolumeDriver(driver.VolumeDriver):
if volume['size'] > snapshot['volume_size']:
LOG.debug("Resize the new volume to %s.", volume['size'])
self.extend_volume(volume, volume['size'])
# Some configurations of LVM do not automatically activate
# ThinLVM snapshot LVs.
self.vg.activate_lv(snapshot['name'], is_snapshot=True)
self.vg.activate_lv(volume['name'], is_snapshot=True,
permanent=True)
return