Policies

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Policies Node

A StorSimple Data Protection Policy allows you to define the schedule and parameters for taking Snapshots, Cloud Snapshots and Cloud Clones for your selected StorSimple Volume Groups.  The StorSimple Data Protection MMC Snap-in gives you the flexibility of starting interactive backups instantaneously.  It also provides the ability to define long-term backup schedules, including start and expiration dates, times, frequencies, and retention policies for your Snapshots, Cloud Snapshots, and Cloud Clones.

 

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A left click on the ‘Policies’ in the Scope Pane enumerates the following in the Results Pane:

  • Name - names of all the existing StorSimple data protection policies.
  • Type  - column indicating the type of policy, i.e. Snapshot, Cloud Snapshot, or Cloud Clone.
  • Volume Group - indicates the volume group associated each policy.
  • Retention Count - displays how many backup copies created by the policy will be retained.
  • Created - column indicating the date and time of creation of each policy.
  • Enabled - this term refers to whether or not the policy is set to execute. The field is set to true, when the user while creating a new policy, has accessed the 'Advanced Settings' in the pop-up dialog and checked the 'Enabled' field. 
  • Last Run - shows the date and time when the policy last ran.

 

The right Actions Pane presents you with a link to create a policy, which is also available when right-clicking the ‘Policies’ entry in the Scope Pane.

 

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Once created and enabled, the policy will be applied immediately to the volume group and will be executed as per your specifications.

The following sections also explain the common functions associated with the 'Policies' node such as -

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Creating a Policy

A right-click on the policy node displays an action to create a policy. This action can also be selected from the right Actions pane.

 

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The following dialog is then presented to the user.

 

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To create a policy, specify the following on the ‘General’ tab:

 

  • Name – a unique name for this policy.
     
  • Volume Group – the volume group you wish to create a backup policy for.
     
  • Operation – specify the type of backup you would like to have performed as part of this schedule, including Snapshot, Cloud Snapshot, or Cloud Clone.
     
  • Retention – the number of backup copies to retain as part of this schedule. Checking the ‘all’ box will retain all backup copies until the maximum number of backup copies per volume is reached, at which point the policy will fail with an error. Alternatively, specify a number of backups to retain (between 1 and 64).

 

Note.png Note: Retention applies to backups created via a policy and not to those taken interactively.

 

The ‘Schedule’ tab allows you to define the schedule for the policy.

 

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On the schedule tab, specify:

 

  • Settings – including the frequency that the policy should execute, and its start time
    • One Time - the schedule will execute once only.
    • Daily - the schedule will execute every day.
    • Weekly - the schedule will execute every week.
    • Monthly - the schedule will execute once a month.
    • Start - specifies the date and time the policy will start.
       
  • Advanced Settings – including repetition, expiration, and whether or not the schedule is enabled.
    • Repetition - specify how frequently the schedule should repeat, and how long this repetition should occur. Choosing a ‘Repeat’ value will cause the policy to repeat regularly until the specified duration has expired. For example, a policy configured as ‘one time’ with a repeat value of ‘1 hour’ for a duration of ‘1 day’ will run each hour for one day, and then no longer run. 
    • Expiration - specify the time and date that the policy should be made inactive.
    • Enabled - specify whether or not the schedule is active and enabled, i.e. backup jobs will be executed using this policy.

 

The timestamp in the ‘Next Run’ field shows when the policy will execute next.

 

Note.png Note: Only one instance of a given policy can run at any time. If you schedule the policy to repeat in a period of time that is less than the amount of time needed to complete the previous iteration, the next iteration will not start. An iteration of a policy will not start if the previous iteration is still running.

 

Once you click the Accept button the new policy will be added to the list of existing policies in the result pane, and if enabled, the policy will be displayed in the scheduled jobs list along with the time and date of its next run.

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Editing a Policy

Right-clicking a policy in the tabular list presents you with the option to update an existing policy, which allows you to edit the parameters described above, or the option to delete a policy.

 

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Deleting a Policy

To delete a policy, select the delete action from its context menu or the right action pane.  A delete confirmation box appears, requiring you to confirm that you wish to delete the policy. Selecting Yes will delete the selected policy whereas selecting No will cancel the action.

 

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Deleting a policy will not affect the associated volume groups, and does not delete the backups that were created by this policy.

 

Note.png Note: Deleting a policy does not delete the backups that were created as a result of that policy. Backups need to be deleted manually.

 

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