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Dell PowerMax File Replication Guide

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Create Replication Session (Sync and Async)

The replication create operation sets up replication of all the user file systems of a NAS server in one cluster (the "source") to a NAS server and corresponding file systems in another cluster (the "destination"). File replication uses SRDF to enable both synchronous and asynchronous type of replication. Since the replication is at the Nas server level, user will have to provide a name of the Nas server to be created on the destination side and the replication creation will take care of creating all the user file system with the same properties as the source side. User will have to provide the remote storage resource pool and the local and remote RDF Dir:Port details as an input to create the replication session.

Once the Remote Connection is established on both the sites follow the below steps to create a replication session:

  1. Select Data Protection.
  2. Select File Protection.
  3. Click REPLICATION tab.
  4. Click REPLICATION SESSION tab.
  5. Click Create.
  6. Continue to work through the Create Replication Session wizard.
    Option Description
    General Configuration
    1. Enter a name for the replication session.
    2. Select the Nas server on the source to be replicated.
    3. Enter the destination nas Server name.
    4. Select Destination Primary Node and Backup Node, Remote Connection, Destination Storage Resource Pool, Mode (Synchronous or Asynchronous) and RPO (only for Asynchronous).
      NOTE You can test the Remote Connection using the 'Test' button (optional).
      NOTE If the destination array is not visible, then scan the remote PowerMax array using the scan button.
    5. Click Next.
    SRDF Configuration

    Provide the SRDF details:

    1. Select Communication Protocol (FC/GigE).
    2. Select Local Configuration Primary Director Port and Backup Director Port.
    3. Select Remote Configuration Primary Director Port and Backup Director Port.
    Summary

    Review the content and click Back to go back and make any corrections.

  7. Click on Run In the Background.
  8. Go to the job list in the UI and click on view all jobs.
  9. Click on the hyperlink beside the create replication job to track the status.
  10. On the destination side, only the IP address of the nas server will be replicated, but the corresponding network device needs to be attached. Once the replication session is created, login to the UI of the destination site and wait for the IP address to appear on the destination Nas server (go to all details page of the Nas server by clicking the hyperlink). It may take about 15 minutes for the IP address to appear on the destination nas server.
  11. Go to the NETWORK tab
  12. Select the FILE INTERFACE tab
  13. Select the interface and click on the MODIFY option.
  14. Select the required subnet, the physical device and click on OK.
NOTE If the network device is not attached on the destination side, then the following will be expected:
  • Replication session will be in OK_BUT state.

  • There will be an alert PEER_VDM_INTFDEVICE_NOT_MATCH indicating a mismatch in the network configuration.

    Example: Peer nas server network configuration is different with local side 'REP12' (62419eca-641a-fade-64da-026048200205) (x06t1m2I73)

UI screenshots for each of the steps described in the above table.

Figure 1. General Configuration
Figure 2. SRDF Configuration
Figure 3. Summary
Figure 4. Job Details of the Replication Session Creation
Figure 5. Tasks
Figure 6. All Details View of the Nas server on Destination
Figure 7. Modify File Interface

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