Appendix B: HA for V6x00 and Virtual Appliances
Upgrading an HA Cluster
DSM Installation and Configuration Guide
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142
Upgrading an HA Cluster
When upgrading the nodes in an HA cluster, you must break the cluster by removing a node from the cluster, running
the HA cleanup function and then upgrading that node independently.
Note
If you are migrating from an HA cluster that is DSM v6.1.x or an earlier version, then you cannot upgrade or
migrate your cluster to 6.2.x or 6.3.x. You must create a new cluster. See
v6.1.0.9229 to DSM 6.4.2" on page 113
for more information.
After upgrading all of the HA nodes:
1. Add them back into the HA cluster
2. Join them to the HA cluster
3. Reassign VTE Agents to their nodes
Note
Do not reassign hosts in the HA cluster. The host assignment is preserved. When a node is removed from
the cluster and then joined back into it, the host(s) are reassigned to the same node.
Prerequisite
l
Backup your current DSM configuration, as described above,
"Backup current DSM configuration" on page 114
Note
If synchronization is in progress anywhere in the HA cluster, wait until it completes before upgrading each
of the nodes in the cluster.
Remove Nodes from the HA cluster
Breaking up the HA cluster involves removing the nodes from the HA cluster. On HA node 1, the initial node, log in to
the CLI menu as CLI Admin.
1. Switch to the HA menu, type:
0001:dsm$ ha
2. Remove the node from the HA menu, type:
0002:ha$ remove <
FQDN/HA_node_IP
>
Example
0002:dsm$ remove HAnode3.i.vormetric.com
System Response
:
WARNING: This command is going to remove one server node from the HA cluster.
This may take several minutes.
Continue? (yes|no)[no]: yes
SUCCESS: Removed server node HAnode3.i.vormetric.com from the HA cluster.
3. Repeat the previous step for all of the nodes in the HA cluster.
4. After removing the nodes, log on to one of the other nodes, (not the initial one) as CLI Admin and switch to the HA
menu.
0001:dsm$ ha
5. Cleanup the HA configuration data on the node, type: