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Migrating the HFS file system to the zFS file system z/OS UNIX System Services Planning GA32-0884-00 |
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Because zFS has higher performance characteristics than HFS and is the strategic file system, you should migrate HFS file systems to zFS. See z/OS Migration for more information about the migration action. To compile a list of all mounted HFS file systems, use the USS_HFS_DETECTED check. For more information about the check, see IBM Health Checker for z/OS: User's Guide. You can use the BPXWH2Z tool to migrate HFS file systems to zFS file systems. With this ISPF-based tool, you can change the space allocation, placement, SMS classes, and data set names. Invoke it from the ISPF command panel. Requirement: The zFS address space must
be successfully configured and initialized before you can use the
BPXWH2Z tool. For more information about the customization and initialization
of zFS, see the topic on post-installation processing in z/OS Distributed File Service zFS Administration.
To summarize, you can accomplish the following tasks with BPXWH2Z:
You can use the JCL sample ISPBTCH in SYS1.SAMPLIB to invoke BPXWH2Z as an ISPF batch job. Read the notes section before running the job. If you manually migrate from an HFS to a zFS file system without using the BPXWH2Z tool, you must allocate and format the target zFS file systems. |
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