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### How to Perform a Point-in-Time Snapshot

In this procedure, point-in-time snapshot is used to synchronize the shadow volume of the primary cluster to the master volume of the primary cluster. The master volume is `d200`, the bitmap volume is `d203`, and the shadow volume is `d201`.

Before You Begin

Complete the procedure How to Perform a Remote Mirror Replication.

1. Access `nodeA` as the role that provides `solaris.cluster.modify` and `solaris.cluster.admin` RBAC authorization.
2. Disable the resource that is running on `nodeA`.

       nodeA# clresource disable nfs-rs

3. Change the primary cluster to logging mode.

   Run the following command for Availability Suite software:

       nodeA# /usr/sbin/sndradm -n -l lhost-reprg-prim \
       /dev/md/nfsset/rdsk/d200 \
       /dev/md/nfsset/rdsk/d203 lhost-reprg-sec \
       /dev/md/nfsset/rdsk/d200 \
       /dev/md/nfsset/rdsk/d203 ip sync

   When the data volume on the disk is written to, the bitmap file on the same disk is updated. No replication occurs.

4. Synchronize the shadow volume of the primary cluster to the master volume of the primary cluster.

   Run the following command for Availability Suite software:

       nodeA# /usr/sbin/iiadm -u s /dev/md/nfsset/rdsk/d201
       nodeA# /usr/sbin/iiadm -w /dev/md/nfsset/rdsk/d201

5. Synchronize the shadow volume of the secondary cluster to the master volume of the secondary cluster.

   Run the following command for Availability Suite software:

       nodeC# /usr/sbin/iiadm -u s /dev/md/nfsset/rdsk/d201
       nodeC# /usr/sbin/iiadm -w /dev/md/nfsset/rdsk/d201

6. Restart the application on `nodeA`.

       nodeA# clresource enable nfs-rs

7. Resynchronize the secondary volume with the primary volume.

   Run the following command for Availability Suite software:

       nodeA# /usr/sbin/sndradm -n -u lhost-reprg-prim \
       /dev/md/nfsset/rdsk/d200 \
       /dev/md/nfsset/rdsk/d203 lhost-reprg-sec \
       /dev/md/nfsset/rdsk/d200 \
       /dev/md/nfsset/rdsk/d203 ip sync

Next Steps

Go to How to Verify That Replication Is Configured Correctly.

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