Name | Enter a descriptive name for this Retention Policy. |
Number of snapshots to keep • Each box represents a different ‘Retention Rule’. • Each rule defines “what snapshots to keep”, and the combination of rules can overlap. • The sum of all the rules is the ‘Retention Policy’. When enforced, all snapshots that do not fit into any of these rules are deleted. | |
Latest | This number of the latest snapshots is kept. |
Hourly | One snapshot per hour is kept, going back this number of hours. • Hour Start: The snapshot that is kept is the first one closest to the beginning of the hour. • Hour End: The snapshot that is kept is the last one, closest to the end of the hour. |
Daily | One snapshot per day is kept, going back this number of daily copies. • Day Start / Day End: same as above, except the interval is in days. |
Weekly | One snapshot per week is kept, going back this number of weekly copies. • Week Start / Week End: same as above, except the interval is in weeks. (Note that for this feature, the week starts at the beginning of Monday and finishes at the end of Sunday.) |
Monthly | One snapshot per month is kept, going back this number of monthly copies. • Month Start / Month End: same as above, except the interval is in months. |
Yearly | One snapshot per year is kept, going back this number of yearly copies. • Year Start / Year End: same as above, except the interval is in years. |