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Update KVM volume Snapshot specifics in admin guide - #673

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sudo87 wants to merge 1 commit into
apache:mainfrom
shapeblue:kvmSnapshotEnabled
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Update KVM volume Snapshot specifics in admin guide#673
sudo87 wants to merge 1 commit into
apache:mainfrom
shapeblue:kvmSnapshotEnabled

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@sudo87

@sudo87 sudo87 commented Jul 28, 2026

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This PR updates following in KVM volume snapshot section:

  • kvm.snapshot.enabled defaults to true (enabled) as of CloudStack 4.22.0.0
  • The "disk-only VM snapshot" mechanism described only applies to file-based primary storage (NFS, SharedMountPoint, Local). RBD (Ceph) and CLVM pools take a completely different, storage-native path (rbd snap create via librbd bindings / managesnapshot.sh) that never touches the libvirt domain
  • Snapshotting an encrypted volume attached to a running Instance is not supported and was undocumented

📚 Documentation preview 📚: https://cloudstack-documentation--673.org.readthedocs.build/en/673/

@sudo87

sudo87 commented Jul 28, 2026

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@blueorangutan docbuild

@blueorangutan

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@sudo87 a Jenkins job has been kicked to build the document. I'll keep you posted as I make progress.

@blueorangutan

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QA-Doc build preview: https://qa.cloudstack.cloud/builds/docs-build/pr/673. (QA-JID 542)

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