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A Replication job targeting a VVOL fails with the error:
Error: VDDK error: 7 (A file access error occurred on the host or guest operating system). Value: 0x0000000000000007
[1] https://www.veeam.com/veeam_backup_11_a_release_notes_rn.pdf p23
Avoid creating snapshots for restore on VVol datastores. Due to Virtual Volume (VVol) implementation in the vSphere 6.0 release, VMware recommends against creating a snapshot (then reverting and deleting it) when restoring files on a VVol datastore. This is because writing to a non-leaf disk (such as a snapshot backing file) is considered a layering violation and throws an error on many VVol storage devices. Writing to the leaf disk of the snapshot is not a layering violation. The restore snapshot remains mandatory for SAN transport, which is not supported on VVol datastores anyway.
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