Modify the TTL of a Specific Snapshot
You can modify the TTL of specific snapshots so that their TTL values are either longer or shorter than the set global TTL settings. This can be done for both individual snapshots as well as for snapshot collections.
Modify the TTL of a specific snapshot
snap
--edit
snapshot_name
--vol
volume_name--ttl
numeric_value
--ttl_unit
unit
Modify the TTL of snapshot SQL2016-minutely-2018-08-24::12:37:00.000 in volume SQL2016 to 60 days:
$ snap --edit SQL2016-minutely-2018-08-24::12:37:00.000 --vol SQL2016 --ttl 60 --ttl_unit days