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.
You can define the file systems to mount at system initialization in the SYS1.PARMLIB(BPXPRMxx) member using the MOUNT statement.
Before you download and install CA CSM, set up directory paths and optionally configure file systems for these files. You can set up the paths in a single file system or multiple file systems, depending on the policy at your site.
Note: We recommend that you set up your USS file system using a multiple file system structure. However, if your site standards require, you can set up your USS file system using a single file system structure.
Minimally, you require four directories with 775 permissions. The required space is 2500 cylinders.
During operation, CA CSM dynamically creates and mounts additional file systems. File systems are mounted during startup, and as a product and maintenance are downloaded.
For a zFS file system to grow dynamically, specify AGGRGROW when you mount the file system. For example:
MOUNT FILESYSTEM('yourHLQ.MSM.ZFS') -
MOUNTPOINT('/parent_path/msmserv/version_number/msm') -
TYPE(ZFS) -
MODE(RDWR) -
PARM('AGGRGROW')
Note: For more information, see the IBM Distributed File Service zFS Administration.
CA CSM uses the following z/OS UNIX System Services (USS) directory path structure:
/parent_path/msmserv/mpm /parent_path/msmserv/version_number/msm /parent_path/msmserv/version_number/msmruntime /parent_path/msmserv/version_number/msminstall
Specifies the CA CSM parent path name as defined at your site as the primary mount point, 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.
Specifies the mount point for file systems that CA CSM allocates and mounts during operation. The mount point is the directory that CA CSM uses to mount the software catalog root application file system. You specify this path in the MountPath keyword of the options file.
The /mpm directory should not have a version number. This directory is common and shared between CA CSM versions.
Note: If you are planning to run more than one instance of CA CSM on the same system, the /mpm directories for these instances must be different.
Specifies the directory for target USS files for CA CSM products. The content is managed through SMP/E.
Space: 750 cylinders (primary), 100 cylinders (secondary)
Specifies the directory for CA CSM runtime files, that is, the directory that the running CA CSM application executes from. You specify this path in the RunTimeUSSPath keyword of the options file.
Space: 750 cylinders (primary), 100 cylinders (secondary)
Specifies the directory for CA CSM installation data, including all downloaded and unpacked CA CSM files.
Space: 1000 cylinders (primary), 100 cylinders (secondary)
Note: You can delete this directory after the installation is completed.
Note: For more information about how to set up USS paths, see the Best Practices Guide.
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