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USS Paths

CA CSM can use HFS or zFS file systems for its download, installation, setup, and general usage.

Note: We recommend using zFS file systems. For information about how to migrate from HFS file systems to zFS file systems, see the latest IBM z/OS Migration guide.

Before you download and install CA CSM, your USS administrator must set up directory paths for these files. A simple setup is to create four directories with 775 permissions in your existing file system, for example:

/parent_path/msmserv/mpm
/parent_path/msmserv/version_number/msm
/parent_path/msmserv/version_number/msmruntime
/parent_path/msmserv/version_number/msminstall

where parent_path is the CA CSM parent path name as defined at your site as the primary mount point or directory, for example:

/u/users/msmserv
/usr/lpp/msmserv
/cai/msmserv

Note: We recommend that you use /msmserv as the final portion of the parent path; however, you can change it if necessary for your site standards.

The required space is 2500 cylinders.

/u/users/msmserv/mpm is a special path that serves as a mount point for file systems that CA CSM allocates and mounts during startup.