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Administrator's Guide


The Advantages of Using Journal File System Files

Tivoli Storage Manager supports both journaled file system (JFS) files and raw logical volumes as database, recovery log, and disk storage pool volumes. JFS files have the following advantages:

The use of JFS files for database, recovery log, and storage pool volumes requires slightly more CPU than is required for raw volumes. However, JFS read-ahead caching improves performance.


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