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Modifying scheduling of efficiency operations

You can modify the scheduling of deduplication or data compression operation on a volume by using the sis config -s command.

Step

  1. Modify the scheduling of deduplication or data compression operation on a volume by entering the following command:sis config -s schedule path
    schedule lists the days and hours of the day when the efficiency operations run. schedule can be one of the following types:
    • day_list[@hour_list]

      If hour_list is not specified, the efficiency operation runs at midnight on each scheduled day.

    • hour_list[@day_list]

      If day_list is not specified, the efficiency operation runs every day at the specified hours.

    • -
      If a hyphen (-) is specified, the scheduled efficiency operations are turned off on the specified volume.
      Note: When the efficiency operation schedule is turned off and additional data is written to the volume, the change log file size increases. This results in increase in deduplication metadata. You can schedule deduplication to be run periodically to avoid the increase in deduplication metadata.
    • auto

      The auto option can be used to run an efficiency operation on a volume depending on the amount of new data that is written to the volume after the previous efficiency operation.

    • manual

      The manual option can be used only on SnapVault destination volumes. This option ensures that deduplication or post-process compression is not triggered automatically after every update to the destination volumes.

    path is the complete path to the volume.

Examples

The following command modifies the scheduling of efficiency operation for VolA to run at 11 p.m., Monday through Friday:sis config -s mon-fri@23 /vol/VolA