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doc: remove storageclass details for shallow volume

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As shallow volumes are default for ROX pvc from
snapshot, removing the details from doc for better
clarity.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
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Madhu Rajanna 2023-09-13 13:09:43 +02:00 committed by mergify[bot]
parent 4560ae83a9
commit 32a58f4e58
1 changed files with 6 additions and 5 deletions
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11
docs/cephfs-snapshot-backed-volumes.md
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@ -18,17 +18,18 @@ information.
### Provisioning a snapshot-backed volume from a volume snapshot ### Provisioning a snapshot-backed volume from a volume snapshot
For provisioning new snapshot-backed volumes, following configuration must be For provisioning new snapshot-backed volumes, following configuration must be
set for storage class(es) and their PVCs respectively: set for PVCs:
* StorageClass:
* Specify `backingSnapshot: "true"` parameter.
* PersistentVolumeClaim: * PersistentVolumeClaim:
* Set `storageClassName` to point to your storage class with backing * Set `storageClassName` to point to your existing cephFS storage class.
snapshots enabled.
* Define `spec.dataSource` for your desired source volume snapshot. * Define `spec.dataSource` for your desired source volume snapshot.
* Set `spec.accessModes` to `ReadOnlyMany`. This is the only access mode that * Set `spec.accessModes` to `ReadOnlyMany`. This is the only access mode that
is supported by this feature. is supported by this feature.
Note:- We can also disable shallowVolume by setting `backingSnapshot: "false"
in cephFS storageclass. If the value is set in the storageclass when requested
for `ReadOnlyMany` PVC a clone will get created in ceph cluster.
### Mounting snapshots from pre-provisioned volumes ### Mounting snapshots from pre-provisioned volumes
Steps for defining a PersistentVolume and PersistentVolumeClaim for Steps for defining a PersistentVolume and PersistentVolumeClaim for