A datastore cluster has certain vSphere Storage vMotion® requirements.

  • The host must be running a version of ESXi that supports Storage vMotion.

  • The host must have write access to both the source datastore and the destination datastore.

  • The host must have enough free memory resources to accommodate Storage vMotion.

  • The destination datastore must have sufficient disk space.

  • The destination datastore must not be in maintenance mode or entering maintenance mode.