Configuring a Replica Library

For disks that are replicated to another disk in real-time (using either hardware replication or any third-party replication tools), the mount paths from both the primary and replicated disks must be configured as a disk library. In such a configuration, the data written by the primary MediaAgent will have read-write access, while the MediaAgent accessing the replica will have read-only access. Read-only operations (such as restores, data verification, etc.) can be performed from the replica for load balancing purposes.

Note

Primary and replica mount paths can be configured using a supported MediaAgent, either as a local or network drive. (For more information about supported MediaAgent, see MediaAgent: System Requirements.)

Procedure

  1. Create a disk library on a primary MediaAgent as described in Creating a Disk Library.

  2. Configure a MediaAgent with read-only access to the replica as described in Configuring the Replica With Read-Only Access.

  3. Backup your data to this disk library.

    For more information on how to run backups, see the documentation for the specific agent.

  4. Replicate the backed up data from the source location using either hardware replication or any third-party software to the destination location. (Refer to the documentation associated with the tool for information on how to replicate the data.)

  5. Perform read operations from the replica using the read-only MediaAgent as follows:

You can also use the Expert Storage Configuration tool to configure a disk library on replicated disks as described in Configuring Disk Library on Replicated Disks Using the Expert Storage Configuration Tool.

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