To cluster DLO in a Backup Exec cluster configuration, you must install DLO on each cluster node.
You cannot add DLO to an existing Backup Exec cluster. Either add DLO when you configure a cluster, or uncluster an existing cluster, add DLO, and then reconfigure the cluster.
If the Desktop Agent was installed from a cluster node that is now inactive, it does not reconnect to the cluster following the unclustering process.
To install Backup Exec and the Desktop and Laptop Option to an existing cluster
Install Backup Exec on the active cluster node. Be sure to include the Desktop and Laptop Option during the Backup Exec installation.
Install Backup Exec on each failover node. Be sure to include the Desktop and Laptop Option during the Backup Exec installation.
Install Backup Exec when the node has access to the shared cluster disk.
From the server you used in step 1, complete the Cluster Configuration Wizard from the Backup Exec console to configure the cluster-aware Backup Exec media server. Be sure to include all cluster nodes where DLO was installed.
To upgrade an existing Backup Exec 9.x or 10.x cluster that includes DLO
Install Backup Exec on the active Backup Exec cluster node. Be sure to include the Desktop and Laptop Option during the Backup Exec installation.
Install Backup Exec on each failover node. Be sure to include the Desktop and Laptop Option during the Backup Exec installation.
Install Backup Exec when the node has access to the shared Backup Exec cluster disk.
From the server you used in step 1, use the Cluster Configuration Wizard to reconfigure cluster-aware Backup Exec with the same virtual server name. Add all cluster nodes that were upgraded.
To upgrade an existing Backup Exec 9.x or 10.x cluster and add DLO to the cluster
Install Backup Exec on the active Backup Exec cluster node. Do not select the DLO option.
Install Backup Exec on each failover node. Do not select the DLO option.
Install Backup Exec when the node has access to the shared Backup Exec cluster disk.
Use the Cluster Configuration Wizard on the active Backup Exec cluster node to uncluster all nodes. Click No when you are prompted to remove data on the shared drive. Click Yes when you are prompted to make the data available to the local node.
Install DLO on all cluster nodes. All nodes must have DLO before you can recluster them.
From the server you used in step 3, use the Cluster Configuration Wizard to reconfigure cluster-aware Backup Exec with the same virtual server name.
To reconnect a Desktop Agent to a cluster node after you uncluster DLO
In the .dlo\.notify directory on the desktop user's Storage Location, create a text file named NewMediaServerDesktopMachineName. For example, in the file named NewMediaServerAdmin123, the desktop computer name is Admin123.
In the text file, type the name of the new DLO server on the first line and save the file.
Repeat step 1 and step 2 for all desktops that will use a new DLO server.
If the desktop is running, it should connect to the new server. If the desktop is not running, it should connect to the new server the next time it runs.
To move a Storage Location in a DLO cluster environment before you take DLO out of the cluster
If the Storage Location is on a shared drive or virtual server, you must move the user data for all of the Storage Location users. Move the user data to a Storage Location on the local node.
Modify all automated user assignments that are configured to use the Storage Location on the shared drive or virtual server so that they use another Storage Location on the local node.
Verify that all user data was moved off the Storage Location on the shared drive or virtual server and then delete it from the shared drive or virtual server.
More Information
About installing the Backup Exec Desktop and Laptop Option
Using Backup Exec with Veritas Cluster Server