In case of unmanaged primary storage, we only care about secondary storage for
snapshot. In case of VMware primary storage is only involved while taking
snapshot. As far as I know process to take snapshot is to take VM snapshot,
backup volume to secondary and then remove the VM snapshot on primary. After
the snapshot is successfully created primary storage is of no concern to that
snapshot. Somebody can confirm that. I am not able to figure out what
performance improvements you are talking about?
Also, the datastore checks while listing snapshots are there because of managed
primary storage only.
Regards,
Anshul
On 04/01/17, 7:39 PM, "Sergey Levitskiy" <sergey.levits...@autodesk.com> wrote:
@anshul1886 Actually in unmanaged primary storage scenario the removal of
PS doesn't check for the existence of the volume snapshot copy. Snapshot should
be allowed to exist on secondary after primary is gone. In VMware environment
snapshot copy on primary only improves performance but in the end it always
replicates to secondary where it remains as a source of truth for a given
snapshot
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