During the test of snapshot creation of Flex volume, I've found async option in "snapshot-create" API. As far as I know, there is no async option in ONTAP8.3.1P1 "snapshot create" command. So how can I know whether this async option working? Is there some kind of status which shows like "Snapshot creating..." or "Snapshot created" ?
In clustered Data ONTAP 8.2 data protection (DP) relationships were used for mirroring, while extended data protection (XDP) relationships were used for backup/vaulting. In clustered Data ONTAP 8.3 extended data protection (XDP) relationships support two more use cases, mirroring and unified mirror-vault. The exact behavior of an extended data protection (XDP) relationship is governed by the snapmirror policy associated with that relationship. In clustered ONTAP 8.3 the snapmirror policy has a new field type to indicate how the relationships with that policy will behave. The supported types are async-mirror (mirroring), vault (vaulting/backup) and mirror-vault (unified mirroring and vault). Refer to the man page for the snapmirror policy create command for more information.
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