You can use the VSS Snapshot Scheduler wizard to add a snapshot schedule.
The scheduling capability automates the process of refreshing. At the scheduled time for the snapshot, the snapshot volumes are automatically reattached, resynchronized, and then split again. Once configured and applied, the schedule is maintained by a scheduler service, VxSchedService.exe, that runs in the background. In a clustered server environment, ensure that the scheduler service is configured on each node with domain administrator privileges so that any node in the cluster can run the schedule after a failover.
In case of a VCS cluster setup with more than one node, configure the Veritas Scheduler Service with any user account (other than the Local System account) which is valid on all the nodes of the cluster. This user account which is configured for the Scheduler Service must have read-write permissions to the file share path.
The VSS Snapshot Scheduler wizard does not prepare the snapshot mirror. Prepare the snapshot mirror with the
command before running the VSS Snapshot Scheduler wizard.Note that if Exchange 2010 mailbox database is configured under VCS, then you can store the snapshot set XML metadata file in a file share path by configuring a file share resource. This is to avoid configuring extra shared volumes to store the snapshot set file, which is available once the mailbox database fails over.
There can be large number of mailbox databases in Exchange 2010 and each database may have independent schedules. Hence the number of different paths that are required for storing the snapshot metadata files are higher, which can be achieved by configuring a file share resource.
In case of a cluster setup, even though schedules are visible on all nodes, snapshot happens only on a node where mailbox database is present.
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For Exchange 2010, before adding or removing a node from a VCS cluster setup, delete the schedules and then recreate the schedules on the required node. |
To schedule a snapshot
Snapshot Volume Label |
Displays the read-only label for the snapshot volume. |
Drive Letter |
Optionally, click a drive letter and select a new choice from the drop-down menu. The specified drive letters may not be available when the snapshot is taken. When this occurs, the snapshot operation is performed, but no drive letters are assigned. |
Plex |
Optionally, click a plex and select a new choice from the drop-down menu. |
This panel is displayed only in an environment using Volume Replicator. Otherwise, you are directly taken to the Schedule Information panel.
See Volume Replicator Administrator's Guide.
Name of this schedule |
Enter a unique name for the snapshot set schedule. This name identifies the snapshot schedule if you later want to view information about the snapshot status. A default name consists of the VSS writer name and a numbered suffix that increments with each schedule. |
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Description of this schedule |
Optionally, enter a description to help you identify the schedule when you view information about the snapshot status |
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Start Time |
The time of the day to begin taking snapshots. |
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End Time |
The time of day to end taking snapshots. If a snapshot is in progress it is completed but a new one is not started after the end time. |
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Schedule takes effect on |
The date on which the specified schedule takes effect. The default is the current date. |
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Restart task every |
The interval between snapshots, in minutes. For example, if the interval is 360 minutes and you schedule a snapshot start time of 12:00 P.M. and an end time of 7:00 P.M., the snapshot occurs twice. |
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Every |
Enable the Every option to have the snapshot schedule continue to occur. Otherwise the schedule applies only for one day. Specify the number of days before restarting the snapshot schedule. For example, one day would mean that the schedule takes effect daily, 2 days would mean every other day. |
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Start On |
If you enable the Every option, specify the starting date. |
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Pre Command |
Optionally, specify the full path of a command script to run before the scheduled snapshot occurs.
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Post Command |
Optionally, specify the full path of a command script to run after the snapshot is complete.
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Days of Week |
Select one or more days on one or more weeks of the month. You can click a button at the top of the column to select the entire column or a button to the left of a row to select the entire row. For example, clicking First schedules the snapshots to occur on the first occurrence of all the week days for the month. |
Days of Month |
Select one or more days of the month. You can also check the Last Day check box to schedule the snapshot for the last day of each month. |
Specific Dates |
Select one or more specific dates to include in or to exclude from the schedule. Excluding a date takes precedence over days scheduled on the other tabs. For example, if you schedule every Monday on the Days of Week tab, and you exclude Monday October 9 on the Specific Dates tab, the snapshots are not taken on October 9. |
If two schedules overlap for the same snapshot set, only one snapshot is taken. For example, if you select every Thursday plus the last day of the month, and the last day of the month occurs on Thursday, only one snapshot is taken on Thursday,