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# Set copy mode for snapshots

TimeFinder SnapVX is a local replication solution that is designed to non-disruptively create point-in-time copies (snapshots) of critical data.

## Prerequisites

- This procedure explains how to set copy mode for snapshots from the TimeFinder/SnapVX dashboard. You can also set copy mode for snapshots from other locations in the user interface. Depending on the location, some of the steps may not apply.
- Storage groups of Celerra FBA emulation may be managed externally using eNAS.
- See Roles and associated permissions to determine the user roles that can perform this task.

## Steps

1. Select the storage system.
2. Click PROTECTION and select Manual SnapVX from the Protected Storage Groups section of the summary panel.
3. Select the storage group, click , and select Set Mode to open the Set Mode dialog box.
   For storage groups with Celerra FBA emulation, a warning dialog is displayed indicating that the storage group may be managed externally using eNAS. To continue click OK, otherwise click CANCEL.
4. Select the Snapshot Name.
5. Select a new mode:
   - Copy—Creates a permanent, full-volume copy of the data on the SRP of the target volume. Target volumes that are linked in this mode will retain data after the links are removed.
   - No Copy—Creates a temporary, space-saving snapshot of only the changed data on the Storage Resource Pool (SRP) of the snapshot. Target volumes that are linked in this mode do not retain data after the links are removed. This mode is the default mode.
6. Click Advanced Options to continue setting the advanced options, as described next.

   Setting Advanced options:

   To force the operation even though one or more volumes may not be in the normal, expected state, select Force.

   To specify that the operation is for devices in STAR mode, select Star.

7. Do one of the following:
   - Click Run Now to perform the operation now.
   - Expand Run Now and click Add to Job List to add this task to the job list, from which you can schedule or run the task at your convenience. For more information, see Schedule jobs and Preview jobs.