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Dell Unity™ Family Unisphere® Command Line Interface User Guide

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Manage task rules

Task rules define the time and frequency when a task, such as snapshot creation, will occur. When you create a task rule, you can assign it to an existing protection schedule or the system automatically assigns it to a new schedule. You then assign the schedule to the storage resource of which to schedule snapshots. Manage snapshot protection schedules explains how to view and delete protection schedules.

The following table lists the attributes for task rules.

Table 1. Task rule attributes
Attribute Description
ID ID of the rule.
Type Type of rule, which specifies when a task executes. Valid values are:
  • hoursinterval - Task executes on an interval of the specified number of hours or minutes within an hour.
  • hourslist - Task executes everyday on the specified hours and, optionally, on a specific minute within the specified hour.
  • daysinterval - Task executes on an interval of the specified number of days and, optionally, on a specific hour of each specified day.
  • weekdayslist - Task executes on the specified days of the week or on a specific hour of each specified day.
  • monthdayslist - Task executes each month on a specified day and time.
Frequency Frequency that a task executes.
Keep for For snapshots, the amount of time the system retains a snapshot before deleting it.
Allow auto-delete For snapshots, indicates whether the snapshot can be deleted automatically. Valid values are:
  • yes — The system can delete the snapshot automatically.
  • no — The system cannot delete the snapshot automatically.
Access For snapshots, indicates whether the snapshot created by this schedule is a checkpoint, or is set to read/write. Valid values are:
  • ckpt — The snapshot is a read-only checkpoint
  • share — The snapshot is set to read/write for users to create CIFS (SMB) shares of NFS exports.

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