SnapProtect Configuration - Windows File System iDataAgent


  • Prior to performing an SnapProtect backup, ensure that all the available hotfixes for Virtual Disk Service (VDS) and VSS are applied.
  • When performing SnapProtect backup for a Windows Cluster, a proxy server must be used for performing backup and restore operations.
  • SnapProtect backup on Windows supports basic disks. 


Once installed, the Windows File System iDataAgent requires some additional configuration before running your first SnapProtect backup. Follow the steps given below to complete the configuration for this Agent.

  1. From the CommCell Console, navigate to the <client>.

    Right-click the <client> and click Properties.

  2. From the CommCell Console, navigate to Client Computers | <Client> | File System | defaultBackupSet.

    Right-click the defaultBackupSet, point to All Tasks and click New Subclient.

  3. Enter the name of the Subclient in the Subclient Name box.

  4. Click the Content tab.

    Click the Browse button.

  5. Navigate through the list of folders and select the files and folders you want to backup.

    Click Add.

    Click Close.

    The subclient content must contain data that resides on the storage device volume. Do not include local drives or UNC paths as subclient content.


  6. Click the SnapProtect Operations tab.

    Select the SnapProtect option.

    Select a snap engine from the list of Available Snap Engines list.

    Select the client computer from the Proxy list.

    Click Use Separate Proxy for Backup Copy if you want to use a different proxy computer to create the backup copy.

    Select Use source if proxy is unreachable if you want use the source computer in case the proxy is not available.

    When performing SnapProtect backup for Windows MSCS Cluster, a separate proxy server (external to the cluster nodes) must be used for mount, backup. and restore operations, as disk signature conflicts may occur if these operations are performed from one of the servers in the cluster.

  7. Click the Storage Device tab.

    In the Storage Policy box, select a Storage Policy name.

    Click OK.

    Choose a Storage Policy that does not have both the Snap and the Primary copies pointing to libraries attached to a NAS File Server.

  8. In the Backup Schedule dialog box, click Do Not Schedule, and then click OK.

Skip the following section if you already created a snapshot copy.

Create a Snapshot Copy

The following section provides step-by-step instructions for creating a Snapshot Copy for a Storage Policy.

  1. From the CommCell Browser, navigate to Policies | Storage Policies.

    Right-click the <Storage_Policy> and click All Tasks | Create New Snapshot Copy.

  2. Specify the following to create a Snapshot Copy:
    1. Type the Copy Name in the Copy Name box.
    2. From the Library list, select the name of Library.
    3. From the MediaAgent list, select the name of a MediaAgent.
    4. From the Drive Pool list, select the name of a Drive Pool.
    5. From the Scratch Pool list, select the name of the Scratch Pool.

      Drive Pool and Scratch Pool are not applicable for disk libraries.

    6. Click OK.

The newly created Snapshot Copy can be associated with the subclient from which the snap backup is performed. In this case, the Snapshot Copy acts as the primary copy and therefore will contain only the metadata information associated with the snapshot Backup.

Configuring a Backup Copy

A backup copy operation provides the capability to copy snapshots of the data to any media. It is useful for creating additional standby copies of data and can be performed during the SnapProtect backup or at a later time.

Follow the steps given below to configure Backup Copy for moving snapshots to media.

  1. Open CommCell Console:
    • From the CommCell Browser, navigate to Policies | Storage Policies.
    • Right-click the <Storage Policy> and click Properties.

  2. Click the Snapshot tab.

    Select Enable Backup Copy checkbox to enable movement of snapshots to media.

    Click OK.