Using mmbackup

When the mmbackup command is run on a file system that has AFM filesets, only the cached data from the filesets is backed up.

The mmbackup command does not back up the uncached data from the AFM filesets.

In a file system that is IBM Storage Protect for Space Management managed, a backup operation in either the cache or home fileset skips migrated offline files that were not yet backed up. The backup of a file that is evicted from a cache causes the file to be read again from home to cache. To avoid reading the file again when eviction on the cache site is enabled, ensure that the backup occurs before the eviction.