div8cn opened a new issue #5836:
URL: https://github.com/apache/cloudstack/issues/5836
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##### ISSUE TYPE
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* Improvement Request
##### COMPONENT NAME
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##### CLOUDSTACK VERSION
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##### CONFIGURATION
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##### OS / ENVIRONMENT
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##### SUMMARY
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We have achieved
xenserver: volume snapshot and vm snapshot
vmware: volume snapshot and vm snapshot
KVM+NFS: volume snapshot and vm snapshot
kvm +ceph: Only support volume snapshots;
kvm+ceph primary storage, it is a very perfect combination.
But we currently do not support KVM+ceph vm snapshots, I think this is a
very large feature loss;
Libvrit api does not support vm snapshot in raw format (it may be the
biggest obstacle to achieving this function).
We can refer to the openstack processing method:
1. suspend the vm
2. use the agent to connect to the ceph api to directly create a snapshot of
all the volumes on the vm
3. resume vm
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