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Automatic Snapshot Creation and Retention (Supported for the following hypervisors: XenServer, VMware vSphere, and KVM) Users can set up a recurring snapshot policy to automatically create multiple snapshots of a disk at regular intervals. Snapshots can be created on an hourly, daily, weekly, or monthly interval. One snapshot policy can be set up per disk volume. For example, a user can set up a daily snapshot at 02:30. With each snapshot schedule, users can also specify the number of scheduled snapshots to be retained. Older snapshots that exceed the retention limit are automatically deleted. This user-defined limit must be equal to or lower than the global limit set by the &PRODUCT; administrator. See . The limit applies only to those snapshots that are taken as part of an automatic recurring snapshot policy. Additional manual snapshots can be created and retained.