Create a Physical Snapshot

Create a physical snapshot of the physical source LUN to protect the data from disaster at the primary site. When the replication is local, the target LUN created from the snapshot is local; otherwise, the target LUN is remote.

1. Using the Oracle FS System Manager GUI, create a LUN on the target Oracle FS System that is the same size or larger than the target LUN.
   You could thinly provision the target LUN as well. Refer to the Oracle Flash Storage System Administrator’s Guide for information about Thin Provisioning.
2. Map the new LUN to the appliance initiator (AIT) port that is located on the target Oracle MaxRep Replication Engine.
3. Make note of the new LUN ID (LUID) of the newly created LUN to be used for the physical snapshot.
4. From the Oracle MaxRep for SAN software on the control service Replication Engine, navigate to Recover > More > Create Recovery Snapshots.
   Note: You might need to rescan the Replication Engine HBAs and Oracle FS System LUNs.
5. In the Replication Pair Details table, select the replication pair for which you want to create the physical snapshot and then click Recover.
6. Under Recovery Options, choose whether to create the physical snapshot for a specific point in time or for an application consistency bookmark.
7. Specify the time or select a bookmark.
8. Under Drive Type, choose Physical.
9. Under Physical Drives, select the destination LUN.
   Use the LUID you noted in Step 3 to identify the correct destination LUN.
10. Click Next.
    Note: You might need to scan the Oracle Storage system and the Replication Engine to view the LUN.
11. Verify the Recovery Details and click Finish.
    Wait until the progress reaches 100% before continuing to test the physical snapshot.
12. Using the Oracle FS System Manager, check the LUN activity in the Oracle FS System.

    Look at the average I/Os and throughput values for the physical snapshot volume. Both values should be zero for the physical snapshot volume before you proceed.

    Note: The Oracle MaxRep for SAN software prevents you from releasing the volume when the volume is busy. Verify whether the volume is busy on the Oracle FS System before you proceed.
13. From the Oracle MaxRep for SAN software, navigate to Recover > More > Monitor Snapshot/Rollback Progress.
14. To release the physical snapshot from the Replication Engine, select the recovery pair and click Release Drive.
    Result:
    The Release Drive process prepares the volume for use by a recovery server. The process includes unmapping the drive from the Replication Engine.