Snapshots
A snapshot protects data by recording the state of a thick volume, thin volume, or LUN at a specific point in time. With snapshots, you can perform the following:
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Restore a volume or LUN to a previous state.
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Access and restore previous versions of files and folders.
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Create an identical copy of a volume or LUN.
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To use snapshots, your NAS model must support snapshots and have at least 1 GB of memory. For a list of compatible NAS models, see www.qnap.com/solution/snapshots.
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Encrypted shared folders do not support snapshots. Although you can take a snapshot of a volume containing encrypted shared folders and restore the volume with the encrypted shared folders intact, you cannot individually restore an encrypted shared folder from a snapshot. Encrypted shared folders in a snapshot also do not appear in the snapshot directory (@Recently-Snapshot).