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Mastering Citrix® XenServer® by Martez Reed

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VM snapshots

A VM snapshot is a point-in-time checkpoint of a VM. The snapshot provides a mechanism to revert the VM to the exact state that it was in, when the snapshot was created. Snapshots are used in a variety of scenarios, but they are most commonly used as a rollback option, when performing software or system upgrades.

The following are the types of snapshots available in Citrix XenServer 6.2:

  • Disk-only snapshots: Disk-only snapshots store a VM's configuration information and virtual disks. This type of snapshot can be performed on VMs with any guest operating system.
  • Quiesced snapshots: Quiesced snapshots are a feature available on Windows guest operating systems that provide application-consistent point-in-time snapshots by utilizing the ...

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