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If I recall, there was a bug or two that was found with cache tiers
and snapshots and were fixed. I hope it is being backported to Hammer.
I don't know if this exactly fixes your issue.
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Robert LeBlanc
PGP Fingerprint 79A2 9CA4 6CC
Hi,
depending on cache mode etc - from what we have also experienced (using
CloudStack) - CEPH snapshot functionality simply stops working in some
cache configuration.
This means, we were also unable to deploy new VMs (base-gold snapshot is
created on CEPH and new data disk which is child of snaps
Openstack Kilo use ceph as the backend storage (nova,cinder and glance),after
enable cache tier for glance pool, take snapshot for instance failed (it seems
generate the snapshot then delete it automatically soon)
If cache tier not suitable for glance ?
Best Regards!
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