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Dell NetWorker 19.9 Administration Guide

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Instant Recovery of a virtual machine

The next virtual machine recovery option available in the NMC Recovery wizard is instant recovery of a virtual machine backup. With instant recovery, the virtual machine backup is read directly from the Data Domain device and the VMDKs will be restored directly on a Data Domain device. You can perform one instant recovery session at a time.

Before you begin, make note of the following:

  • For the Data Domain resource, ensure that you provide the management credentials and, if required, enter the export path appropriately.
  • Ensure that the free space on the Data Domain system is equal to or greater than the total disk size of the virtual machine being restored, as the restore does not take into account the actual space required after deduplication occurs. If there is insufficient disk space, an error appears indicating "Insufficient disk space on datastore," and creation of the target virtual machine fails.
  • Ensure that you have at least one proxy that is not restricted to a specific datastore. For the vProxy, select Properties and then select Configuration, and verify that datastores is left blank.
  • Do not perform an instant recovery of virtual machines in resource pools and other similar containers that are part of a currently running protection group.
To complete the Recovery wizard with the instant recovery method, perform the following steps:
  1. In the Select the Virtual Machine Recovery Method page:
    1. Select Instant Recovery.
    2. Click Next.
  2. In the Configure the Instant Recovery Options page:
    1. Select the location where you want to restore the virtual machine in the vCenter environment.
      This does not have to be the original location, and can also be on a different vCenter server.
    2. Ensure that you select the Power on virtual machine and Reconnect to network options.
    3. Click Next.
    Figure 1. Configure the Instant Recovery
    Configure the Instant Recovery Options page
  3. In the Select Alternate Recovery Sources page:
    1. Select the original backup, or a clone copy if one is available.
    2. If recovering from a clone that is not on a Data Domain device, or recovering from a Data Domain Cloud Tier device, specify the DD Boost clone pool.
    3. Click Next.
  4. In the Perform the Recovery page:
    1. Specify a name for the recovery.
    2. Check the summary at the bottom of the page to ensure all the details are correct.
    3. Click Run Recovery.
The Check the Recovery Results page will display the duration of the recovery, and a log file entry when the instant recovery is complete. When the instant recovery is complete and ready for use, you can then storage vMotion the virtual machine to a datastore, or perform a file level recovery to the target file system, and then stop the completed instant recovery to free up those resources.

To stop an instant recovery in NMC:

  1. Navigate to the Recover window.
  2. Right-click the entry for the recovery within the Recover sessions pane.
  3. Select Stop from the drop-down.
NOTE:To optimize use of NetWorker and Data Domain resources, it is strongly recommended that you stop the instant recovery session once you satisfy your recovery objectives.

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