Veritas NetBackup™ Appliance High Availability Reference Guide

Last Published:
Product(s): Appliances (3.3.0.1)
Platform: NetBackup Appliance OS

About upgrades for NetBackup Appliance HA setups

The following describes the upgrade requirements for nodes in a high availability (HA) setup:

  • NetBackup Appliance Shell Menu

    Use this interface to upgrade the nodes.

    Note:

    The Appliance Management Console does not support upgrades for HA nodes.

  • One or two nodes in the HA setup

    HA nodes must be upgraded from within the HA setup. If you remove a node from the HA setup, you can still upgrade the node that remains.

  • One node at a time

    Only one node can be upgraded at a time so that the workload can continue on the other node.

  • One software version

    Both nodes must use the same appliance software version. Once you have upgraded one node, you must upgrade the other node immediately.

  • Node upgrade order

    Either node can be upgraded first. However, the node that runs the MSDP services cannot be upgraded while those services are in progress.

    The first node that is configured and then used to create the HA setup runs the MSDP services by default. To upgrade this node, you must first perform a switchover to transfer the MSDP services and workload to the partner node.

    After the upgrade on the first node has completed, immediately perform the following tasks on that node to prepare for the other/partner node upgrade:

    • On the upgraded node, run the Manage > High Availability > Switchover command to switch the MSDP services from the partner node over to the upgraded node.

    • On the upgraded node, run the Support > Test Software command to verify the status of various appliance software components. If the test passes, log in to the partner node and upgrade it.

  • MSDP configuration

    To upgrade the nodes in an HA setup, MSDP configuration is required on both nodes. Upgrades on appliance HA nodes are not supported if MSDP is not configured.

  • Downloading packages from the NetBackup Appliance Shell Menu

    You only need to download rpm packages to one node. After you run the Manage > Software > List Downloaded command on the HA node with the downloaded package, run the command on the other node to make the package available on that node.

  • Approve host name mappings

    Before you upgrade from software versions 3.1.1 and earlier, you must first approve the host name mappings for HA appliances in the NetBackup Administration Console on the associated master server. Otherwise, the preflight check does not allow the upgrade to start.

    To approve the host name mappings, do the following:

    • On the associated master server, log in to the NetBackup Administration Console.

    • In the left pane, click Security Management to expand its properties, then click Host Management.

    • In the lower-left of the right pane, click Mappings for Approval

    • At the top of the right pane, click on any host mapping that is pending approval. When the Approve Mappings dialog box appears that prompts for approval, click Yes. Repeat this task for each host mapping that is pending approval.

    • Perform a switchover for appliances in an HA setup

      Appliances (nodes) in an HA setup are updated one at a time. Both nodes must use the same appliance software version. Once you have upgraded one node, you must upgrade the other node immediately.

      Either node can be upgraded first. However, upgrades cannot be performed on the node where MSDP services and jobs are in progress. Before you begin an upgrade on the node that is running MSDP, you must first perform a switchover to transfer the MSDP workload to the partner node. Use the following command to perform a switchover:

      Main_Menu > Manage > HighAvailability > Switchover hostname

      Where hostname is the physical host name or IP address of the partner node.

      When the upgrade on this node has completed, perform another switchover to transfer the MSDP workload from the partner node to the upgraded node. Immediately upgrade the partner node.