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Update ManageSnapshotsSCALE.md
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tonyriv3 committed Apr 10, 2024
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{{< hint type=note >}}
File Explorer limits the number of snapshots Windows presents to users. If TrueNAS responds with more than the File Explorer limit, File Explorer shows no available snapshots.
TrueNAS displays a dialog stating the dataset snapshot count has more snapshots than recommended, and states performance or functionality might degrade.
TrueNAS displays a dialog stating the dataset snapshot count has more snapshots than recommended and states performance or functionality might degrade.
{{< /hint >}}

There are two ways to view the list of snapshots:
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{{< trueimage src="/images/SCALE/Datasets/DatasetDataProtectManageSnapshotsSCALE.png" alt="Manage Snapshots" id="Manage Snapshots" >}}

* Go to **Data Protection**, locate the **Periodic Snapshot Tasks** widget, then click the **Snapshots** button in the lower right hand corner of the widget.
* Go to **Data Protection**, locate the **Periodic Snapshot Tasks** widget, then click the **Snapshots** button in the lower right-hand corner of the widget.

{{< trueimage src="/images/SCALE/DataProtection/DataProtectSnapshotTasksSCALE.png" alt="Snapshots Button" id="Snapshots Button" >}}

The **Snapshots** screen displays a list of snapshots on the system. Use the search bar at top to narrow the selection, clear the search bar to list all snapshots.
The **Snapshots** screen displays a list of snapshots on the system. Use the search bar at the top to narrow the selection. Clear the search bar to list all snapshots.

{{< trueimage src="/images/SCALE/DataProtection/SnapshotsListingSCALE1.png" alt="Snapshot Screen" id="Snapshot Screen" >}}

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**Confirm** activates the **Delete** button. If the snapshot has the **Hold** options selected, an error displays to prevent you from deleting that snapshot.

### Using Rollback to Revert a Dataset
The **Rollback** option reverts the dataset back to the point in time saved by the snapshot.
The **Rollback** option reverts the dataset to the point in time saved by the snapshot.

{{< hint type=tip title="Replication Safe Alternative" >}}
Rollback is a dangerous operation that causes any configured replication tasks to fail.
Replications use the existing snapshot when doing an incremental backup, and rolling back can put the snapshots out-of-order.
Replications use the existing snapshot when doing an incremental backup, and rolling back can put the snapshots out of order.

A less disruptive method to restore data from a point in time is to clone a specific snapshot as a new dataset:

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