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

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use cases for volume snapshot
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Kubernetes Prow Robot
2020-10-28 06:43:56 -07:00
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parent 2ba7b9ade5 6aee0699e2
commit 05ee40f36f
1 changed files with 3 additions and 3 deletions
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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`. `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: 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. * 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. the *dataSource* field in the `PersistentVolumeClaim` object.
For more details, see 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).