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Creating a deduplication schedule

Deduplication operations run on enabled FlexVol volumes once a day at midnight by default. If you wish to run deduplication at another time, you can create a deduplication schedule.

Step

  1. Enter the following command:sis config -s schedule path

    schedule lists the days and hours of the day that deduplication runs. The schedule can be of the following forms.

    • day_list[@hour_list]

      If hour_list is not specified, deduplication runs in at midnight on the morning of each scheduled day.

    • hour_list[@day_list]

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

    • -

      A hyphen (-) disables deduplication operations for the specified FlexVol volume.

    • auto

      Deduplication runs automatically when the number of blocks added or changed since the last deduplication operation (performed either manually or automatically) exceeds approximately 20 percent of the total number of blocks that deduplication has already processed.

      Note: The default threshold is 20 percent. You can configure this value by using the sis config -s auto@num /vol/volname command.

      Here, num is a two-digit number to specify percentage.

    path is the complete path to the FlexVol volume. For example, /vol/vol1.

    Example

    The following command starts deduplication operations at 11 p.m., Monday through Friday.sis config -s mon-fri@23 /vol/vol1

    For more information about scheduling deduplication operations, see the na_sis(1) man page.