mirror of
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184 lines
11 KiB
Markdown
184 lines
11 KiB
Markdown
# Ceph CSI
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[](https://github.com/ceph/ceph-csi/releases)
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[](https://goreportcard.com/report/github.com/ceph/ceph-csi)
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[](https://www.tickgit.com/browse?repo=github.com/ceph/ceph-csi&branch=devel)
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- [Ceph CSI](#ceph-csi)
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- [Overview](#overview)
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- [Project status](#project-status)
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- [Known to work CO platforms](#known-to-work-co-platforms)
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- [Support Matrix](#support-matrix)
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- [Ceph-CSI features and available versions](#ceph-csi-features-and-available-versions)
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- [CSI spec and Kubernetes version compatibility](#csi-spec-and-kubernetes-version-compatibility)
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- [Ceph CSI Container images and release compatibility](#ceph-csi-container-images-and-release-compatibility)
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- [Contributing to this repo](#contributing-to-this-repo)
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- [Troubleshooting](#troubleshooting)
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- [Weekly Bug Triage call](#weekly-bug-triage-call)
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- [Dev standup](#dev-standup)
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- [Contact](#contact)
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This repo contains Ceph
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[Container Storage Interface (CSI)](https://github.com/container-storage-interface/)
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driver for RBD, CephFS and kubernetes sidecar deployment yamls of provisioner,
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attacher, resizer, driver-registrar and snapshotter for supporting CSI functionalities.
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## Overview
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Ceph CSI plugins implement an interface between CSI enabled Container Orchestrator
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(CO) and Ceph cluster. It allows dynamically provisioning Ceph volumes and
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attaching them to workloads.
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Independent CSI plugins are provided to support RBD and CephFS backed volumes,
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- For details about configuration and deployment of RBD plugin, please refer
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[rbd doc](https://github.com/ceph/ceph-csi/blob/devel/docs/deploy-rbd.md) and
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for CephFS plugin configuration and deployment please
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refer [cephfs doc](https://github.com/ceph/ceph-csi/blob/devel/docs/deploy-cephfs.md).
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- For example usage of RBD and CephFS CSI plugins, see examples in `examples/`.
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- Stale resource cleanup, please refer [cleanup doc](docs/resource-cleanup.md).
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NOTE:
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- Ceph CSI **`Arm64`** support is experimental.
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## Project status
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Status: **GA**
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## Known to work CO platforms
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Ceph CSI drivers are currently developed and tested **exclusively** on Kubernetes
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environments.
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| Ceph CSI Version | Container Orchestrator Name | Version Tested|
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| -----------------| --------------------------- | --------------|
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| v3.4.0 | Kubernetes | v1.20, v1.21, v1.22|
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| v3.3.0 | Kubernetes | v1.20, v1.21, v1.22|
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There is work in progress to make this CO independent and thus
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support other orchestration environments (Nomad, Mesos..etc) in the future.
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NOTE:
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The supported window of Ceph CSI versions is known as "N.(x-1)":
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(N (Latest major release) . (x (Latest minor release) - 1)).
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For example, if Ceph CSI latest major version is `3.4.0` today, support is
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provided for the versions above `3.3.0`. If users are running an unsupported
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Ceph CSI version, they will be asked to upgrade when requesting support for the
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cluster.
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## Support Matrix
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### Ceph-CSI features and available versions
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Please refer [rbd nbd mounter](./docs/rbd-nbd.md#support-matrix)
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for its support details.
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| Plugin | Features | Feature Status | CSI Driver Version | CSI Spec Version | Ceph Cluster Version | Kubernetes Version |
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| ------ | --------------------------------------------------------- | -------------- | ------------------ | ---------------- | -------------------- | ------------------ |
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| RBD | Dynamically provision, de-provision Block mode RWO volume | GA | >= v1.0.0 | >= v1.0.0 | Nautilus (>=14.0.0) | >= v1.14.0 |
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| | Dynamically provision, de-provision Block mode RWX volume | GA | >= v1.0.0 | >= v1.0.0 | Nautilus (>=14.0.0) | >= v1.14.0 |
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| | Dynamically provision, de-provision File mode RWO volume | GA | >= v1.0.0 | >= v1.0.0 | Nautilus (>=14.0.0) | >= v1.14.0 |
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| | Provision File Mode ROX volume from snapshot | Alpha | >= v3.0.0 | >= v1.0.0 | Nautilus (>=v14.2.2) | >= v1.17.0 |
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| | Provision File Mode ROX volume from another volume | Alpha | >= v3.0.0 | >= v1.0.0 | Nautilus (>=v14.2.2) | >= v1.16.0 |
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| | Provision Block Mode ROX volume from snapshot | Alpha | >= v3.0.0 | >= v1.0.0 | Nautilus (>=v14.2.2) | >= v1.17.0 |
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| | Provision Block Mode ROX volume from another volume | Alpha | >= v3.0.0 | >= v1.0.0 | Nautilus (>=v14.2.2) | >= v1.16.0 |
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| | Creating and deleting snapshot | Beta | >= v1.0.0 | >= v1.0.0 | Nautilus (>=14.0.0) | >= v1.17.0 |
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| | Provision volume from snapshot | Beta | >= v1.0.0 | >= v1.0.0 | Nautilus (>=14.0.0) | >= v1.17.0 |
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| | Provision volume from another volume | Beta | >= v1.0.0 | >= v1.0.0 | Nautilus (>=14.0.0) | >= v1.16.0 |
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| | Expand volume | Beta | >= v2.0.0 | >= v1.1.0 | Nautilus (>=14.0.0) | >= v1.15.0 |
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| | Volume/PV Metrics of File Mode Volume | Beta | >= v1.2.0 | >= v1.1.0 | Nautilus (>=14.0.0) | >= v1.15.0 |
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| | Volume/PV Metrics of Block Mode Volume | Beta | >= v1.2.0 | >= v1.1.0 | Nautilus (>=14.0.0) | >= v1.21.0 |
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| | Topology Aware Provisioning Support | Alpha | >= v2.1.0 | >= v1.1.0 | Nautilus (>=14.0.0) | >= v1.14.0 |
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| CephFS | Dynamically provision, de-provision File mode RWO volume | Beta | >= v1.1.0 | >= v1.0.0 | Nautilus (>=14.2.2) | >= v1.14.0 |
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| | Dynamically provision, de-provision File mode RWX volume | Beta | >= v1.1.0 | >= v1.0.0 | Nautilus (>=v14.2.2) | >= v1.14.0 |
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| | Dynamically provision, de-provision File mode ROX volume | Alpha | >= v3.0.0 | >= v1.0.0 | Nautilus (>=v14.2.2) | >= v1.14.0 |
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| | Creating and deleting snapshot | Beta | >= v3.1.0 | >= v1.0.0 | Octopus (>=v15.2.3) | >= v1.17.0 |
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| | Provision volume from snapshot | Beta | >= v3.1.0 | >= v1.0.0 | Octopus (>=v15.2.3) | >= v1.17.0 |
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| | Provision volume from another volume | Beta | >= v3.1.0 | >= v1.0.0 | Octopus (>=v15.2.3) | >= v1.16.0 |
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| | Expand volume | Beta | >= v2.0.0 | >= v1.1.0 | Nautilus (>=v14.2.2) | >= v1.15.0 |
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| | Volume/PV Metrics of File Mode Volume | Beta | >= v1.2.0 | >= v1.1.0 | Nautilus (>=v14.2.2) | >= v1.15.0 |
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`NOTE`: The `Alpha` status reflects possible non-backward
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compatible changes in the future, and is thus not recommended
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for production use.
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### CSI spec and Kubernetes version compatibility
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Please refer to the [matrix](https://kubernetes-csi.github.io/docs/#kubernetes-releases)
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in the Kubernetes documentation.
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## Ceph CSI Container images and release compatibility
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| Ceph CSI Release/Branch | Container image name | Image Tag |
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| ----------------------- | ---------------------------- | --------- |
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| devel (Branch) | quay.io/cephcsi/cephcsi | canary |
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| v3.4.0 (Release) | quay.io/cephcsi/cephcsi | v3.4.0 |
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| v3.3.1 (Release) | quay.io/cephcsi/cephcsi | v3.3.1 |
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| v3.3.0 (Release) | quay.io/cephcsi/cephcsi | v3.3.0 |
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| Deprecated Ceph CSI Release/Branch | Container image name | Image Tag |
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| ----------------------- | --------------------------------| --------- |
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| v3.2.2 (Release) | quay.io/cephcsi/cephcsi | v3.2.2 |
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| v3.2.1 (Release) | quay.io/cephcsi/cephcsi | v3.2.1 |
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| v3.2.0 (Release) | quay.io/cephcsi/cephcsi | v3.2.0 |
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| v3.1.2 (Release) | quay.io/cephcsi/cephcsi | v3.1.2 |
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| v3.1.1 (Release) | quay.io/cephcsi/cephcsi | v3.1.1 |
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| v3.1.0 (Release) | quay.io/cephcsi/cephcsi | v3.1.0 |
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| v3.0.0 (Release) | quay.io/cephcsi/cephcsi | v3.0.0 |
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| v2.1.2 (Release) | quay.io/cephcsi/cephcsi | v2.1.2 |
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| v2.1.1 (Release) | quay.io/cephcsi/cephcsi | v2.1.1 |
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| v2.1.0 (Release) | quay.io/cephcsi/cephcsi | v2.1.0 |
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| v2.0.1 (Release) | quay.io/cephcsi/cephcsi | v2.0.1 |
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| v2.0.0 (Release) | quay.io/cephcsi/cephcsi | v2.0.0 |
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| v1.2.2 (Release) | quay.io/cephcsi/cephcsi | v1.2.2 |
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| v1.2.1 (Release) | quay.io/cephcsi/cephcsi | v1.2.1 |
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| v1.2.0 (Release) | quay.io/cephcsi/cephcsi | v1.2.0 |
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| v1.1.0 (Release) | quay.io/cephcsi/cephcsi | v1.1.0 |
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| v1.0.0 (Branch) | quay.io/cephcsi/cephfsplugin | v1.0.0 |
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| v1.0.0 (Branch) | quay.io/cephcsi/rbdplugin | v1.0.0 |
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## Contributing to this repo
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Please follow [development-guide](<https://github.com/ceph/ceph-csi/tree/devel/docs/development-guide.md>)
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and [coding style guidelines](<https://github.com/ceph/ceph-csi/tree/devel/docs/coding.md>)
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if you are interested to contribute to this repo.
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## Troubleshooting
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Please submit an issue at: [Issues](https://github.com/ceph/ceph-csi/issues)
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## Weekly Bug Triage call
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We conduct weekly bug triage calls at our slack channel on Tuesdays.
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More details are available [here](https://github.com/ceph/ceph-csi/issues/463)
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## Dev standup
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A regular dev standup takes place every other [Monday,Tuesday,Thursday at
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12:00 PM UTC](https://redhat.bluejeans.com/702977652). Convert to your local
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timezone by executing command `date -d "12:00 UTC"` on terminal
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Any changes to the meeting schedule will be added to the [agenda
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doc](https://docs.google.com/document/d/1K1aerdMpraIh56-skdoEoVF9RZrO4NUcbHtjN-f3u1s).
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Anyone who wants to discuss the direction of the project, design and
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implementation reviews, or general questions with the broader community is
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welcome and encouraged to join.
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- Meeting link: <https://redhat.bluejeans.com/702977652>
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- [Current agenda](https://docs.google.com/document/d/1K1aerdMpraIh56-skdoEoVF9RZrO4NUcbHtjN-f3u1s)
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## Contact
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Please use the following to reach members of the community:
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- Slack: Join our [slack channel](https://cephcsi.slack.com) to discuss
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anything related to this project. You can join the slack by
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this [invite link](https://bit.ly/2MeS4KY )
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- Forums: [ceph-csi](https://groups.google.com/forum/#!forum/ceph-csi)
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- Twitter: [@CephCsi](https://twitter.com/CephCsi)
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