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Merge pull request #24758 from KilimAnnejaro/storage-use-cases 

use cases for volume snapshot
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Kubernetes Prow Robot 2020-10-28 06:43:56 -07:00 committed by GitHub
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content/en/docs/concepts/storage/volume-snapshots.md
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@ -31,6 +31,8 @@ A `VolumeSnapshot` is a request for snapshot of a volume by a user. It is simila
`VolumeSnapshotClass` allows you to specify different attributes belonging to a `VolumeSnapshot`. These attributes may differ among snapshots taken from the same volume on the storage system and therefore cannot be expressed by using the same `StorageClass` of a `PersistentVolumeClaim`.
Volume snapshots provide Kubernetes users with a standardized way to copy a volume's contents at a particular point in time without creating an entirely new volume. This functionality enables, for example, database administrators to backup databases before performing edit or delete modifications.
Users need to be aware of the following when using this feature:
* API Objects `VolumeSnapshot`, `VolumeSnapshotContent`, and `VolumeSnapshotClass` are {{< glossary_tooltip term_id="CustomResourceDefinition" text="CRDs" >}}, not part of the core API.
@ -152,6 +154,4 @@ You can provision a new volume, pre-populated with data from a snapshot, by usin
the *dataSource* field in the `PersistentVolumeClaim` object.
For more details, see
[Volume Snapshot and Restore Volume from Snapshot](/docs/concepts/storage/persistent-volumes/#volume-snapshot-and-restore-volume-from-snapshot-support).
[Volume Snapshot and Restore Volume from Snapshot](/docs/concepts/storage/persistent-volumes/#volume-snapshot-and-restore-volume-from-snapshot-support).