Helpful cmd_proc operations include:

• define pool low_water_mark high_water_mark pool_id ...[overflow]

  Creates or modifies scratch pools.

• query pool pool_id ... | all

  Displays scratch pool attributes

• query scratch pool_id ... | all

  Displays the status of scratch volumes in a pool.

• set scratch pool_id vol_id | volrange

  Sets volume's scratch attribute and assign the volume to a scratch pool.

• set scratch off pool_id vol_id | volrange

  Changes volume from scratch to data.

• delete pool pool_id ... | all

  Deletes an empty scratch pool.

• mount * drive_id pool_id

  Mounts a scratch volume from a specified pool (single media libraries).

• mount * drive_id

  Mount a scratch volume from the common pool (single media libraries).

• mount * drive_id pool_id media media_type

  Mounts a scratch volume from a specified pool with specific media type.

• mount * drive_id pool_id media *

  Mounts a scratch volume from a specific pool, media type based on scratch preferences defined.

• mount * drive_id media *

  Mounts a scratch volume from common pool, media type based on defined scratch preferences.

• mount * drive_id media media_type

  Mounts a scratch volume from common pool with specified media type.

• display pool pool_id ...| *

  Displays scratch pool information for a specific pool or for all pools.

• query mount * pool_id ... [media media_type | media *]

  Displays status of media-compatible drives for a specified scratch pool (or volume media type within the pool).