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The space monitor daemon monitors space usage on all file systems for which space management is active. Threshold migration starts automatically to reduce space usage to the low threshold that you set if space usage equals or exceeds the high threshold that you set.
To reduce space usage to the low threshold on your file system before it reaches the high threshold, start threshold migration manually. If space usage exceeds the low threshold that you set for your file system when you start threshold migration manually, eligible files migrate until space usage drops to the low threshold.
To start threshold migration manually for one or more file systems, follow these steps:
If additional files are eligible for migration and you did not exceed the premigration percentage that you set for your file system, additional files premigrate after the threshold migration process completes. The status of the premigration process displays in the Threshold Migration Status window.
To start threshold migration from the command line, use the dsmautomig command. For example, to start threshold migration for the /home file system, enter:
dsmautomig /home
To display information about your migrated files, use the -detail parameter with the dsmautomig command.
See dsmautomig for more information about this command.