Scheduling Snapshots (CLI)
3.
Click the Snapshots tab.
4.
Click Schedules.
5.
Click the Add icon next to Schedules.
6.
Set each field appropriately.
a.
Set the frequency to half-hourly, hourly, daily, weekly, or monthly to indicate
how often the snapshot is automatically taken.
b.
Set the precise time the snapshot is automatically taken.
For half-hourly or hourly snapshots, you can choose how many minutes after the half-hour
or hour the snapshot is taken. For daily snapshots, you can choose the hour and minute the
snapshot is taken, and for weekly or monthly snapshots, you can specify the day, hour, and
minute.
c.
Set the "Keep at most" property to specify how many snapshots should be
retained, or uncheck the checkbox to set no retention policy.
Automatic snapshots can be kept forever (except for half-hourly and hourly snapshots,
which are capped at 48 and 24, respectively), or they can be limited to a certain number.
When the number of snapshots exceeds the number you have specified here, the oldest
snapshots will be deleted first.
7.
Click APPLY.
Scheduling Snapshots (CLI)
Use the following procedure to configure automatic snapshots of a share and set a retention
policy for those snapshots.
Automatic snapshots can be taken half-hourly, hourly, daily, weekly, or monthly and are named
.auto[-<snaplabel>]-<timestamp>. Snapshot creation times are stored and executed in UTC
format, without regard to such conventions as daylight saving time. For example, a snapshot
scheduled for 10:00 a.m. PST (UTC-8) is stored and executed at 18:00 UTC, and this is the time
that will appear as the timestamp in the snapshot name.
Automatic snapshots can be set on a project or a share, but not both. Otherwise, overlapping
schedules and retention policies would make it impossible to guarantee both schedules.
Removing an interval, or changing its retention policy, will immediately destroy any automatic
snapshots not covered by the new schedule. Automatic snapshots with clones are ignored.
Snapshots and Clones 443
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