# Configure the Commvault VTL 2.0 as an Emulated Tape Library

Configure the Commvault VTL 2.0 as an emulated tape library, using a MediaAgent.

## Before You Begin

- Ensure that the virtual tape library (VTL) is zoned appropriately and visible to MediaAgent from the operating system.

- When accessing the virtual devices from Windows MediaAgents, ensure that the tape drivers and the medium changer devices (optional) are installed. Perform the following checks in the Device Manager after connecting to the devices over Fiber Channel, iSCSI, and so on.

  - Tape drives must be listed under Tape Devices and not as Other Devices. If listed under Other Devices then the driver for the model emulated is missing. The tape driver can be obtained from the vendor or the vendor website.

  - Medium changer (library arm) will be listed under Medium Changer Devices as an Unknown Medium Changer. This is alright with most backup applications including Commvault software.

  For additional information on driver configuration, see Driver Configurations.

## Procedure

1. Launch the CommCell Console.

2. From CommCell Console ribbon, from the Storage tab, click Expert Storage Configuration.

   The Select MediaAgents dialog box appears.

3. From the Available MediaAgents list, select the MediaAgents whose devices you want to detect or display, and then click Add.

4. Click OK.

   The Expert Storage Configuration dialog box appears.

5. Click Start, and then click Detect/Configure Devices.

   The Detect Library dialog box appears.

6. Click OK.

   The detection process starts. and the Log dialog box appears once the detection is completed.

7. Click Close.

   The MediaAgent displays the Commvault VTL 2.0 library in the Expert Storage Configuration dialog box.

8. Right-click the Library, and then click Properties.

   The Library Properties dialog box appears.

9. Enable the Is a Virtual Tape Library check box, and the choose the Library Type from the list.

10. Click OK.

11. Right-click the library, and then click Configure.

    The Configuration dialog box appears.

12. Click Library and all drives, and then click OK.

    The Discover Media Options dialog box appears.

13. Click Yes.

    The library will be configured and displayed in the Expert Storage Configuration dialog box.

14. Exit the Expert Storage Configuration dialog box.

15. From the CommCell Browser, navigate to Storage Resources > Libraries.

16. Right-click the <VTL Library>, and then click Properties.

17. From the Drive tab, under Use SCSI Reserve for drive operations, choose Use SCSI-3 Reserve for contention resolution.

    Note

    Use SCSI-2 reservation to use the tape library and tape drives for IBM i backups.

18. Click OK.

## What to Do Next

Enable Event Viewer Alerts on Commvault VTL 2.0 Library

## Where to Go From Here

Once the Commvault VTL 2.0 library is configured, it supports most of the operations that are supported by actual tape libraries. Use the following sections for more information about the operation supported by tape libraries:

- Library Operations

- Drive Operations

- Media Operations

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