XenServer's VM Protection and Recovery (VMPR) feature provides a simple backup and restore utility for your critical service VMs. Regular scheduled snapshots are taken automatically and can be used to restore individual VMs.
VMPR works by having pool-wide VM protection policies that define snapshot schedules for selected VMs in the pool. When a policy is enabled, snapshots are taken of the specified VMs at the scheduled time each hour, day or week. If configured, these snapshots can also be archived automatically to a remote CIFS or NFS share, providing an additional level of security.
Several VMPR policies may be enabled in a pool, covering different VMs and with different schedules. A VM can be assigned to only one policy at a time.
XenCenter provides a range of tools to help you use the VMPR feature: