I have been thinking about a feature request and want to see what people think about the use case.
We use KVM + Ceph RBD as storage.
Currently, when a client takes a snapshot, Cloudstack takes a Ceph snapshot and then uses qemu-img to export to secondary storage. This creates a full backup of the server. Clients want to use this as a daily snapshot and it isn’t feasible due to the space requirements.
We would like create the snapshot only on primary storage. It is replicated offsite and fault tolerant. I can see that the download snapshot and create template features may be an issue.
I have seen the below features in the recent releases and wondered if this was the direction that the development was going.
Separation of volume snapshot creation on primary storage and backing operation on secondary storage.
Bypass secondary storage template copy/transfer for KVM.
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