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A Volume Snapshot represents a Cloud storage volume at a particular point in time. Don't confuse this with a database snapshot, this is a snapshot of the entire volume, regardless of whether it contains a database or not. You can create a snapshot regardless of whether or not a volume is attached to an Instance. When a snapshot is created, various meta data is retained such as a Created At timestamp, a unique Resource UID (e.g. vol-52EF05A9 or GEDtestVolume), the Volume Owner and Visibility (e.g. private or public). Snapshots consist of a series of data blocks that are incrementally saved. Create clones of volumes from any snapshot. You cannot attach the same volume to multiple instances. Instead, you must first take a snapshot of the volume. Then create a clone of the volume from the snapshot and specify the appropriate availability zone.
There is currently no way to manipulate the sharing/visibility of a generic Volume Snapshot. However, for private clouds that support the notion of Volume Snapshot sharing we do discover and display Volume Snapshot's visibilities.
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