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Use the following table to determine feature availability for local and shared persistent storage in OKD Virtualization.

OKD Virtualization storage feature matrix

OKD Virtualization storage feature matrix
Virtual machine live migration Host-assisted virtual machine disk cloning Storage-assisted virtual machine disk cloning Virtual machine snapshots

OpenShift Data Foundation: RBD block-mode volumes

Yes

Yes

Yes

Yes

OKD Virtualization hostpath provisioner

No

Yes

No

No

Other multi-node writable storage

Yes [1]

Yes

Yes [2]

Yes [2]

Other single-node writable storage

No

Yes

Yes [2]

Yes [2]

  1. PVCs must request a ReadWriteMany access mode.

  2. Storage provider must support both Kubernetes and CSI snapshot APIs

You cannot live migrate virtual machines that use:

  • A storage class with ReadWriteOnce (RWO) access mode

  • Passthrough features such as GPUs

Do not set the evictionStrategy field to LiveMigrate for these virtual machines.