Upgrading metadata server engines

This topic lists the steps for upgrading metadata server engines from version 2.1.

Context

Complete the following procedures for all metadata servers in the cluster. Upgrade the master metadata server engine first, and then upgrade the subordinate engines:

Steps

  1. Determine whether IBM® Director Agent is installed, and uninstall it if it is.
    1. Issue the following command:
      rpm -qa | grep Agent
      The following results are returned when IBM Director Agent is installed:
      ITDAgent-4.11-1 
      DirAgent-4.11-1
    2. If IBM Director Agent is installed, uninstall it with the following commands:
      /etc/init.d/dacmimom stop
      /etc/init.d/TWGagent stop
      rpm -e DirAgent-4.11-1
      rpm -e ITDAgent-4.11-1
  2. Back up the existing server configuration files to a temporary directory. You can also create a checklist similar to the one in Linux client upgrade checklist to assist you in upgrading the metadata server engines.
  3. Prepare the server to be upgraded.
  4. Upgrade the administrative server package on the engine.
  5. Upgrade the metadata server package on the engine.
  6. Verify the upgrade process and restart the engine.

Postrequisites

Parent topic: Upgrading SAN File System from Version 2.1

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