Lun Masking - Novell BUSINESS CONTINUITY CLUSTERING 1.0 - ADMINISTRATION Manual

5 Select the partition you want to mirror (this might be the partition you just created) and press
6 Select the device with free space or the partition you want to mirror to, then select YES to
Creating an NSS Pool and Volumes
After an NSS partition has been created and mirrored, if you have not already done so, you must
create an NSS pool and volume on that partition. To do this, follow the instructions in
Pools
Novell Cluster Services Configuration and Setup
After configuring NSS mirroring and creating a pool and volume on the mirrored NSS partition, if
you did not cluster-enable the NSS pool on the mirrored partition when you created it, do so by
following the instructions in the
Administration
When you cluster-enable a shared disk pool, the commands to start and stop the pool resource are
automatically added to the resource load and unload scripts.
Checking NSS Volume Mirror Status
After you have configured NSS mirroring with Novell Cluster Services, you should check to ensure
that it is working properly in a cluster environment.
1 Ensure that the volumes on the cluster-enabled pool are mounted on an assigned server by
2 Check the mirror status of the mirrored partition by entering mirror status at the server
3 Migrate the pool to another server in the cluster and again check to ensure the volumes on the
4 Check the mirror status of the partition again by entering mirror status at the server
IMPORTANT: If you create or delete a pool or partition on shared storage that is part of a business
continuity cluster, you must run the cluster scan for new devices command on a server
in each of the other clusters that belong to the business continuity cluster.

2.8.2 LUN Masking

We recommend that you implement LUN masking in your business continuity cluster for data
protection. LUN masking is provided by your SAN vendor.
LUN masking is the ability to exclusively assign each LUN to one or more host connections. With it
you can assign appropriately sized pieces of storage from a common storage pool to various servers.
See your SAN vendor documentation for more information on configuring LUN masking.
28 Novell Business Continuity Cluster Services 1.0 Administration Guide
the F3 key.
mirror the partition.
To ensure disaster recovery, the device you select to mirror should be in another storage array.
" in the Installation and Setup
Guide.
entering volumes at the server console.
console of the server where the NSS pool on the mirrored partition is active.
After entering mirror status, you should see a message indicating that mirror status is 100
percent or a message indicating that the mirrored object is fully synchronized.
pool are mounted by entering volumes at the server console.
console.
section of the Novell Cluster Services 1.7 Administration
Installation and Setup section of the
"Create NSS
Guide.
Novell Cluster Services 1.7