Skip Navigation Links
Exit Print View
| Oracle Solaris Cluster System Administration Guide Oracle Solaris Cluster 4.1

Search Scope:

- This Document
- Entire Library

### How to Enable Replication on the Primary Cluster

1. Access `nodeA` as the role that provides `solaris.cluster.read` RBAC authorization.
2. Flush all transactions.

       nodeA# lockfs -a -f

3. Confirm that the logical host names `lhost-reprg-prim` and `lhost-reprg-sec` are online.

       nodeA# clresourcegroup status
       nodeC# clresourcegroup status

   Examine the state field of the resource group.

4. Enable remote mirror replication from the primary cluster to the secondary cluster.

   This step enables replication from the primary cluster to the secondary cluster. This step enables replication from the master volume (`d200`) on the primary cluster to the master volume (`d200`) on the secondary cluster. In addition, this step enables replication to the remote mirror bitmap on `d203`.

   - If the primary cluster and secondary cluster are unsynchronized, run this command for Availability Suite software:

         nodeA# /usr/sbin/sndradm -n -e 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

   - If the primary cluster and secondary cluster are synchronized, run this command for Availability Suite software:

         nodeA# /usr/sbin/sndradm -n -E 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

5. Enable autosynchronization.

   Run this command for Availability Suite software:

       nodeA# /usr/sbin/sndradm -n -a on 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

   This step enables autosynchronization. When the active state of autosynchronization is set to `on`, the volume sets are resynchronized if the system reboots or a failure occurs.

6. Verify that the cluster is in logging mode.

   Use the following command for Availability Suite software:

       nodeA# /usr/sbin/sndradm -P

   The output should resemble the following:

       /dev/md/nfsset/rdsk/d200 ->
       lhost-reprg-sec:/dev/md/nfsset/rdsk/d200
       autosync: off, max q writes:4194304, max q fbas:16384, mode:sync,ctag:
       devgrp, state: logging

   In logging mode, the state is `logging`, and the active state of autosynchronization is `off`. When the data volume on the disk is written to, the bitmap file on the same disk is updated.

7. Enable point-in-time snapshot.

   Use the following command for Availability Suite software:

       nodeA# /usr/sbin/iiadm -e ind \
       /dev/md/nfsset/rdsk/d200 \
       /dev/md/nfsset/rdsk/d201 \
       /dev/md/nfsset/rdsk/d202
       nodeA# /usr/sbin/iiadm -w \
       /dev/md/nfsset/rdsk/d201

   This step enables the master volume on the primary cluster to be copied to the shadow volume on the same cluster. The master volume, shadow volume, and point-in-time bitmap volume must be in the same device group. In this example, the master volume is `d200`, the shadow volume is `d201`, and the point-in-time bitmap volume is `d203`.

8. Attach the point-in-time snapshot to the remote mirror set.

   Use the following command for Availability Suite software:

       nodeA# /usr/sbin/sndradm -I a \
       /dev/md/nfsset/rdsk/d200 \
       /dev/md/nfsset/rdsk/d201 \
       /dev/md/nfsset/rdsk/d202

   This step associates the point-in-time snapshot with the remote mirror volume set. Availability Suite software ensures that a point-in-time snapshot is taken before remote mirror replication can occur.

Next Steps

Go to How to Enable Replication on the Secondary Cluster.

Copyright © 2000, 2012, Oracle and/or its affiliates. All rights reserved. Legal Notices |