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Use selective recall if you want to return specific migrated files to your local file system. The access time (atime) changes to the current time when you selectively recall a migrated file.
When you selectively recall a group of files, they are recalled in the most efficient, time-saving order based on where they are stored. For example, if some of your files are stored on a disk storage device and some of your files are stored on a tape storage device, the HSM client recalls all of your files that are stored on the disk storage device first. It next recalls all of your files that are stored on the tape storage device.
For AIX JFS file systems only: Selective recall overrides the recall mode (migrate-on-close or read-without-recall) that you set for a migrated file. You can selectively recall a file regardless of the mode that you set for your file.