If you want to migrate from an earlier version of a WebSphere MQ for AIX(R) client to an IBM WebSphere MQ for AIX, Version 6.0 client, you must first end all WebSphere MQ activity on the target machine, and remove any shared resources that are used by WebSphere MQ. Do this either by shutting down the system and restarting it, or by issuing the icprm command to remove the shared resources.
The migration procedure described in this section applies only to migration from an earlier version of a WebSphere MQ for AIX client to IBM WebSphere MQ for AIX, Version 6.0 clients. If you are migrating from an earlier version of WebSphere MQ or MQSeries(R) for AIX, you are advised to uninstall your current version before installing the IBM WebSphere MQ for AIX, Version 6.0 client.
Migration from an earlier version of WebSphere MQ for AIX involves updating any currently installed filesets, and installing any new filesets that might be required.
To update currently installed filesets:
smit
Software Installation and Maintenance Install and Update Software Update Installed Software to Latest Level (Update All)
Alternatively, you can use the fastpath command to select the appropriate device:
smitty update_latest
Once all previously installed filesets have been updated to the latest level, you can install any additional filesets. See the installation instructions for more information.
Changes in AIX LPP Version 4 packaging mean that the IBM WebSphere MQ for AIX, Version 6.0 client installs into directory /usr/mqm. Versions previous to WebSphere MQ for AIX, V5.3 of the product installed into directory /usr/lpp/mqm.
Installation of the IBM WebSphere MQ for AIX, Version 6.0 client fails if a file system mounted as /usr/lpp/mqm is detected. If you are migrating from an earlier version and a file system exists for this directory, you will need to do one of the following things before installing the IBM WebSphere MQ for AIX, Version 6.0 client. Either:
or
ln -s /usr/mqm /usr/lpp/mqm
If you uninstall your existing client and either delete or move your existing file system, you can then install the IBM WebSphere MQ for AIX, Version 6.0 client as described in the installation instructions.
However, if you move the old file system to the new installation path, you should then perform the migration installation described in Migrating from an earlier version of WebSphere MQ for AIX.
The installation process for the IBM WebSphere MQ for AIX, Version 6.0 client creates a symbolic link from the old install path (/usr/lpp/mqm) to the new install path (/usr/mqm). Therefore any existing scripts or makefiles that reference the old path are still valid.
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