Skip to content

Update persistent-volumes.md with CSI driver note#55277

Open
ArushKachru wants to merge 1 commit intokubernetes:mainfrom
ArushKachru:patch-4
Open

Update persistent-volumes.md with CSI driver note#55277
ArushKachru wants to merge 1 commit intokubernetes:mainfrom
ArushKachru:patch-4

Conversation

@ArushKachru
Copy link
Copy Markdown
Contributor

This PR updates the Access Modes table to reflect that FC and iSCSI can support ReadWriteMany (RWX) when used with volumeMode: Block and a compatible CSI driver.

Adds a note clarifying this behavior and distinguishing it from legacy in-tree plugin limitations.

Closes #55237

Add note about CSI drivers supporting ReadWriteMany with Block volume mode.
@k8s-ci-robot k8s-ci-robot added cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. language/en Issues or PRs related to English language labels Apr 6, 2026
@k8s-ci-robot k8s-ci-robot requested a review from saad-ali April 6, 2026 18:39
@k8s-ci-robot
Copy link
Copy Markdown
Contributor

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by:
Once this PR has been reviewed and has the lgtm label, please assign dipesh-rawat for approval. For more information see the Code Review Process.

The full list of commands accepted by this bot can be found here.

Details Needs approval from an approver in each of these files:

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

@k8s-ci-robot k8s-ci-robot requested a review from xing-yang April 6, 2026 18:39
@k8s-ci-robot k8s-ci-robot added the size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. label Apr 6, 2026

{{< note >}}
The table above reflects in-tree plugin capabilities only. Some CSI drivers for FC and iSCSI support ReadWriteMany with `volumeMode: Block` (for example, for KubeVirt live migration). Refer to your CSI driver's documentation for details.
{{< /note >}}
Copy link
Copy Markdown
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Suggested change
{{< /note >}}
{{</note>}}

otherwise LGTM

| VsphereVolume | &#x2713; | - | - (works when Pods are collocated) | - |
| PortworxVolume | &#x2713; | - | &#x2713; | - | - |

{{< note >}}
Copy link
Copy Markdown
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Suggested change
{{< note >}}
{{<note>}}

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. language/en Issues or PRs related to English language size/XS Denotes a PR that changes 0-9 lines, ignoring generated files.

Projects

None yet

Development

Successfully merging this pull request may close these issues.

Update PV Access Modes table: Reflect RWX support for FC and iSCSI in volumeMode: BlockPersistent Volumes

3 participants