WebSphere Message Broker, Version 8.0.0.7 Operating Systems: AIX, HP-Itanium, Linux, Solaris, Windows, z/OS

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Creating the shared directories

How you create the shared directories that you need for your multi-instance WebSphere® Message Broker.

Before you start:

Before you create the shared directory, read the documentation supplied with your NFS or NAS product used at your enterprise (or on Windows a shared UNC path). Note that, if you are intending to use an NFS server, this server must use NFSv4.

The following procedure gives a generalized set of instructions for a NFS shared path, because the specific instructions vary by product:
  1. Create an NFS Share on the server for the multi-instance WebSphere MQ queue manager.
  2. Mount the NFS Share on both client nodes A and B, for the WebSphere MQ multi-instance queue manager, using a suitable location; for example, /Shared/Location/WMQ.
  3. Ensure that the WMQ directories are owned by user and group mqm, and that the access permissions are set to rwx for user and group. For example ls -al displays:
    drwxrwxr–x mqm mqm 4096 Jun 14 14:38 WMQ
  4. Create an NFS share on the server for the multi-instance broker.
  5. Mount the NFS Share on both client nodes A and B, for the multi-instance broker, using a suitable location; for example, /Shared/Location/WMB.
  6. Ensure that the WMB directories are owned by user and group mqbrkrs, and that the access permissions are set to rwx for user and group. For example ls -al displays:
    drwxrwxr–x mqbrkrs mqbrkrs 4096 Jun 14 14:39 WMB
  7. If you are working on AIX® you must turn off attribute caching so that you use the NFS server solely for multi-instance tasks.
    Use the following command, on both client nodes A and B, to turn off attribute caching for the example share locations used in the preceding instructions:
      nfs4cl setfsoptions /Shared/Location/WMQ noac
      nfs4cl setfsoptions /Shared/Location/WMB noac

    For further information, see AIX NFS commands

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        Last updated: 2016-05-23 14:48:05


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