> Essential > Virtualization > Azure Stack HCI > Configuration

Editing VM Group Settings for Azure Stack HCI

For an existing VM group, you can modify options that affect backups.

Procedure

  1. From the navigation pane, go to Protect > Virtualization.

    The Virtual machines page appears.

  2. Click the VM groups tab.

    The VM group page appears. The VM groups area displays summary information for any existing VM groups.

  3. Click a VM group.

    The VM group page appears.

  4. Click the Configuration tab.

    The Options area shows settings that are used to back up the virtual machines in the VM group.

  5. In the Options area, do the following:

    1. To use changed block tracking (CBT) for backups, move the Use changed block tracking toggle key to the right.

      With CBT, backups only write blocks that have changed since the previous backup. For virtual machines where there is a known issue with CBT, you can turn off CBT to run backups using the cyclic redundancy check (CRC) method instead.

    2. To collect file and folder information during streaming backups, move the Collect file details toggle key to the right.

    3. To enable file indexing, move the Index files after backup toggle key to the right.

      Note

      Collect File and File Indexing options are mutually exclusive, but file indexing always takes precedence.

  6. To edit other settings, in the Options area, click Edit.

    The Edit options dialog box appears.

    Provide the following information:

    • No. of readers: Set the number of readers to control how many parallel read operations can be launched during backups.

    • Virtual machine backup type: Select the type of backup to perform:

      • Application Aware: Uses in-guest application plug-ins to assist the Virtual Server Agent in quiescing the file system and applications and supporting granular application data recovery.

        To specify credentials for guest VMs in the VM group, click the key button (embd_vm backup type (1)), and then provide the guest credentials.

      • File system and application consistent: Quiesces the file system and applications while performing the backup.

      • Crash-consistent: Takes a point-in-time snapshot of virtual machine data without quiescing.

      • Application Based: Performs application discovery for those VMs selected within the VM group and configures backups by installing an in-guest application agent.

      • To specify credentials for guest VMs in the VM group, click the key button (embd_vm backup type (1)), and then provide the guest credentials

  7. Click Save.

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