OpenEBS cStor Discussions Notes
===
:::info
- **Location:** https://meet.google.com/tdk-rqwj-ujp
- **Date:** Every week from 12:45pm to 01:15pm on Thursday (IST)
- **Agenda**
1. Walk through the status update
2. Discussion topic

*Add your request, question or suggestion to our [issue list](https://github.com/openebs/openebs/issues)*

*If you have anything you’d like to put on the agenda, please do so below for the next meeting:*
:::

## December 10th, 2020

Attendees: Sathya,Prateek, Shubham

Discussion Notes:

## Status Updates

- [name=Sathya]
- Refactor the Backup and restore test case - segregate it into different test case [done]
- Include Backup and Restore test case in Migration pipeline (In progress)

## December 3rd, 2020

Attendees: Sathya,Prateek, Shubham

Discussion Notes:

## Status Updates

- [name=Sathya]
- Refactor the Backup and restore test case - segregate it into different test case [in progress]
- Include Backup and Restore test case in Migration pipeline (pending)
- Modify the utils to deprovision the spc/cspc pools to check the condition about volumes (In progress)

- [name=Prateek]
- CSI core CRDs V1 and cleanup CSINodeinfo crds (not needed)
- CStor operators charts reviews
- Admission webhook docs

- [name=Shubham]
- Upgrade CRDs V1 (will discuss with Sagar about the changes) [?]
- Handle PVC delete admission to validate only for cstor PVCs
- Cleanup pending bdcs on cspc deletion

## November 26th, 2020
Attendees: Sathya

Discussion Notes:

## Status Updates

- [name=Sathya]
- Refactor the Backup and restore test case - segregate it into different test case [pending]

## November 5th, 2020
Attendees: Sathya, Ashutosh, Prateek, Shubham

Discussion Notes:

- If the new exporter is ready -- a change in pool deployment builder file needs to be changed in cstor-operators.

## Status Updates

- [name=Sathya]
- Refactor the Backup and restore test case - segregate it into different test case [pending]
- Automate the test case for blockdevice replcaement when the bd is already in use by any pool [in review]

- [name=Ashutosh]
- Working on Review comment for NDM charts. [WIP/Under Review]
- NDM Charts ci PR got approved. [approved]
- Working on cstor charts to incorporate review comments.[WIP/Under Review]

- [name=Prateek]
- Upgrade openebs crds to V1 version [under review]
- Cstor csi and zfs-localpv multi arch [under review]
- Reviews in upgrade CR migration status changes

- [name=Shubham]
- Multi-arch images for cstor [under review]
- Exporter migration to new repo

## October 29th, 2020
Attendees: Ashutosh, Prateek, Shubham, Sathya

Discussion Notes:

## Status Updates

- [name=Ashutosh]
- Working on review comments on helm charts by David and Akhil.
- Helm chart CI needs to be solved via some pre hooks. Need some research here.

- [name=Shubham]
- Migration CR status report [approved by shovan]
- Multi-arch images for cstor [under review]

- [name=Prateek]
- Upgrade openebs crds to V1 version [started]
- Reviews in upgrade CR migration status changes

- [name=Sathya]
- Automate the test case to perform openebs provision other than the openebs namespace [Done]
- Automate the test case for pool expansion when the bd is already in use by any pool [In Review]
- Automate the test case for blockdevice replcaement when the bd is already in use by any pool [Pending]
- Refactor the Backup and restore test case - segregate it into different test case [pending]

## October 22th, 2020
Attendees: Ashutosh, Prateek, Shubham, Sathya, Akhil

Discussion Notes:

- Kinvolk locomotive
- CSPC template support
- Communicate about parallel execution of SPC and CSPC
- VolumePolicy and StorageClass support

- Admission namespace delete validation
- Explore helm pre-hooks for graceful deletion
- Helm delete 180 sec timeout to start delete forcefully

### Status Updates

- [name=Ashutosh]
- Helm chart review comments [under review]
- Helm chart CI issue debugging [under review]

- [name=Shubham]
- Migration CR status report [under review]
- Multi-arch images for cstor [under review]

- [name=Prateek]
- Major release module api changes [In review]
- Update the dependent repo with module changes[In review]
- Upgrade openebs crds to V1 version [not started]

## October 15th, 2020

Attendees: Sathya

Discussion Notes:

### Status Updates

- [name=Sathya]

- Automate the test case to perform openebs provision other than the openebs namespace
- Automate the test case for pool expansion when the bd is already in use by any pool

## October 8th, 2020
Attendees: Ashutosh, Sathya, Shubham

Discussion Notes:

### Status Updates

- [name=Ashutosh]
- Working on Helm charts

- [name=Sathya]
- Refactor the deployment of cstor-operator and csi-provisioner test [Done]
- Automate spc/cstor volume migration test script [Done]
- Pipeline for spc/cstor volume migration [Done]
- Automate the test case for pool expansion when the bd is already in use by any pool [Not Started]

- [name=Shubham]
- CStor muti arch is in progress. All the relevant PRs are under review.(Still Under review)
- Automate virtual disk correction PR is under review. One function depends on the approach for zpool status (pod/exec or CR status).[Done]
- Backup/restored upgrade & migration changes .[Done]
- Add status reporting for cstor migration CR. [In-Progress]

## September 24th, 2020

Attendees: Sathya, Ashutosh, Shubham, Sai, Prateek

Discussion Notes:
- A typo fix in CSPC-operator log needs to be fixed. [Sathya Will Raise PR]
- Update upgrade matrix with 2.2.0 in cspc-operators. [Sathya Will Raise PR]
- CSP command execution OEP -- Shubham will take care of it.
- Disaster Recovery Operations
- When the cluster is destroyed and data is still intact disk there should be a workflow/automation to build the entire
control plane and cStor CRs.
- Will need raise OEP
- Resources:
- Issue Link: https://github.com/openebs/cstor-operators/issues/178

### Status Updates

- [name=Sathya]
- Refactor the deployment of cstor-operator and csi-provisioner test [In review]
- Automate spc/cstor volume migration test script [in review]
- Pipeline for spc/cstor volume migration [In progress]
- Automate the test case for pool expansion when the bd is already in use by any pool [Not Started]

- [name=Ashutosh]
- Helm charts CI anf gh-pages for NDM and cStor
- Incorporated review comments for BD tag doc
- Pending Integration tests [Not Started]

- [name=Shubham]
- CStor muti arch is in progress. All the relevant PRs are under review.(Under review)
- Automate virtual disk correction PR is under review. One function depends on the approach for zpool status (pod/exec or CR status).
- Backup/restored upgrade & migration changes still pending.[Waiting on backup/restore v1 migration]
- Add status reporting for cstor migration CR. [Blocked on: 1.backup/restore v1 2. virtual disk correction]
- Parallel execution of volume migration got merged.

- [name=Prateek]
- Openebs API v2 modules changes [WIP, backup/restore apis needs to be v1]
- Review backup/restore API changes
- Review cstor-operators backup/restore changes

- [name=Sai]
- Promote backup and restore to v1 version. [Ready for Review](@ashutosh, @prateek)
- CSPC-Operator should able to identify the node label changes [Ready for Review](@ashutosh, @prateek)

## September 17th, 2020

Attendees: Sathya, Ashutosh, Prateek, Sai

### Status Updates

- [name=Sathya]
- Refactor the deployment of cstor-operator and csi-provisioner test [In progress]
- Automate spc/cstor volume migration test script [Not Started]
- Pipeline for spc/cstor volume migration [pending because of above task]

- [name=Ashutosh]
- Working on to set up gh-pages and actions ci for helm charts
- Integrations tests [Not started]
- BD tag documentation on cstor-operators repo

- [name=Prateek]
- Openebs API v2 modules changes [WIP, backup/restore apis needs to be v1]
- CStor CSI Metrics docs (under review)

- [name=Sai]
- backup/restore to v1, added backward compatibility, working on unit tests [WIP]
- Update the migration OEP with auto-correction of BD as per the discussed changes [WIP]

## September 10th, 2020

Attendees: Shubham, sathya, Ashutosh

Discussion Notes:
- BD tag feature in NDM and allowed-bd-tag in cStor. [e2e test cases, intergration test cases][UT is covered]
Reference Document to understand:
https://medium.com/@sonasingh46/disk-reservation-how-openebs-cstor-uses-this-feature-from-node-disk-manager-d4ff4f96b5d7

- Need to discuss Backup/Restore V1 migration with Sai.

- [name=Sathya]
- refactor cspc/cstor volume upgrade test script [in progress]
- Pipeline for cspc/cstor volume upgrade [pending because of above task]
- Automating the container runtime failure scenario for csi based volume [in progress]
- Verify cstor csi target resoure limit [MV in progress]

- [name=Shubham]
- multi-arch upgrade approved by Michael
- CStor muti arch is waiting on the cStor license refactor. All the relevant PRs are under review.
- BD tag migration PR got merged.

- [name=Ashutosh]
- Allowed BD tag on CSPC and SPC got merged.
- NDM charts PR got approved. Working on to figure out install dependencies.
- Design document for volume replpica schedule is still in progress

## September 3rd, 2020

- [Ashutosh]
- Working on ndm harts(in-progress)
- Working on cstor-operators/csi charts (in-progress)

- [Sai]
- zfs/zpool command execute via CSP (design) (under-review)
- node name changes identifcation in case of reboot(under review)
- cvc-operator server changes for backup and restore v1 apis.
- [Sathya]
- Pipeline scripts for cspc/csi volume upgrade [ in progress]
- Automate the test case for cstor app target affinity [ in progress]
- [Prateek]
- Volume create/delete events metrics analytics (pending)
- openebs/api v2 modules changes (in-progress, holding it for backup/restore v1 migration)
- Blog on metrics (in-progress)
- Blog on Kasten backup/restore (in-progress)
- PR reviews
- [Shubham]
- multi-arch builds for cstor
- automate virtual disk correction while migration
- migration CR for status reporting
- Blog on migration of cstor resources to v1
- ToDo: Add a card for the user requested enhancement.
- [Ajeet]
- license check for openebs/api

## June 25th, 2020

### Status Updates

- [Sai]
- Tracking Memory issue in cstor-istgt by using valgring(Not Started)
- Test cases for REST end point(In-Review)
- Need to start integration testing(Not Started)

## June 25th, 2020

Attendees: Sai, Shubham, sathya, Ashutosh, Prateek, Kiran, Sagar, Shvoan, Vishnu

### Discussion Topics
- https://hackmd.io/uJL_kemTQuuwo7qmTR9q4A?view

## June 18th, 2020

Attendees: Sai, Shubham, Giri, sathya

### Status Updates

- [sathya]
- Automate the CSPC pool and cstor csi volume upgrade (in progress)
- Automate the SPC to CSPC migration and non-csi to csi volume migration.

- [Shubham]
- Add cspc scale down validation (under review)
- Add sanity travis test for cspc & csi volume upgrades (pending)
- Add documentation for cspc/csi upgrade and migration (pending)

- [Giri]
- Create target with resource limit and requests specified and ensure that it is honored.

- [Sai]
- CSPI status should intact with OEP(Under review)
- Tracking Memory issue in cstor-istgt by using valgring(In pending)
- Test cases for REST end point.

## June 11th, 2020

Attendees: Ashutosh, Sai, Shubham, Prateek, sathya

### Status Updates

- [sathya]
- Pool pod chaos
- cspc pool pod failure (restart the pool pod) while pool expansion is happening (done)
- Manually verify the CSPC pool and cstor csi volume upgrade (in progress)
- Manually verify the SPC to CSPC migration and non-csi to csi volume migration
- Release Activities

- [Shubham]
- Migration from external provisioner to CSI volumes (apporved, testing job pod restarts)
- Document snapshot migration (in progress)
- Automate snapshot migration (in progress)
- Unit tests for migration code (pending)

- [Ashutosh]
- CSPI UID fix in restore controller
- Velero plugin backup PR review
- Raised PR to support restore for CSI volume in velero plugin [Reviewers: Mayank, Kiran]
- Backup and Restore manual testing for CSI volumes via velero.
- Started on restore controller doc. (Yet to complete)

- [Sai]
- OEP for backup/restore (velero plugin has to be added by vitta) [Reviewers: Vitta, Mayank]
- Backup and restore control plane and REST server manual testing(Done).
- Review of restore PR (CSPI UID fix)
- Fixing BDD failures in pipelines(Review in progress).
- Unable to install packages in istgt container(Need to look into the issue).
- Approved volume migration PR[Need to look back if there were any changes in logic].

- [Prateek]
- admission webhook timeout failures in Knovoy clusters
- Replace manual cstor crds with auto generated CRDs (WIP) [*Requires e2e to minimal testing]
- Cstor API docs (merged done)
- CVC controller mock and mock testing (PR raised) [Reviewer: Sai, Ashutosh]
- csi volume operations docs (started)
- PR reviews cstor-operators, volume and snapshot migrations

### Discussion Topics
- Go for CSPC and NON GO for v1alpha1
- [High-Priority] Admission webhook failure is a blocker for CSPC v1 Go. (@prateek is helping here)
## June 4th, 2020

Attendees: Ashutosh, Sai, Shubham, Prateek, Sathya, Giri, Kiran

### Status Updates

- [sathya]
- Pool pod chaos
- cspc cstor-pool container kill in cspc pool pod for pool status verification (done)
- cspc pool pod failure (restart the pool pod) while pool expansion is happening (in review)
- Manually verify the CSPC pool and cstor csi volume upgrade (in progress)

- [Shubham]
- Migration from external provisioner to CSI volumes (under review)
- Automate migration image builds (pending)
- Unit tests for migration code (pending)
- Supporting PRs of migration got merged
- SPC to CSPC migration PR got merged.

- [Ashutosh]
- Got restore PR merged
- Reviews on backup/restore and migration PRs.

- [Sai]
- OEP for backup/restore (velero plugin has to be added by vitta) [Reviewers: Vitta, Mayank]
- CVC Operator REST EndPoints(PR has two approvals waiting on prattek for aprrove and merging)
- Backup controller PR got merged.
- CSI driver code needs to be modified to support restore.

- [Prateek]
- Replace manual cstor crds with auto generated CRDs (pending) [*Requires e2e to minimal testing]
- Cstor API docs (merge pending)
- CVC controller mock and fake testing (WIP)
- CSI tests enhancement ( merged)
- Helm chart releaser and automation (merged)
- PR reviews cstor-operators , upgrade and migrations

## May 28th, 2020

Attendees: Ashutosh, Sai, Shubham, Prateek, Sathya, Giri, Kiran

### Status Updates

- [sathya]
- Pool pod chaos
- cspc cstor-pool container kill in cspc pool pod for pool status verification (in review)
- cspc pool pod failure (restart the pool pod) while pool expansion is happening (in progress)

- [Shubham]
- Migration from SPC to CSPC (under review)
- Migration from external provisioner to CSI volumes (in progress, need some clarification for approach)

- [Sai]
- OEP for backup/restore (In review[Addressing review comments], velero plugin has to ben added) [Reviewers: Vitta, Mayank]
- CVC Operator REST EndPoints(WIP PR has raised, manual testing and unit testing needs to be added)
- Backup controller (in pending, not yet started)
- CSPI Status Capacity representation(API PR got merged, cstor-operaters PR requires reviews) [Reviewers: Ashutosh]
- BlockDevice Replacement fix(PR needs reviews). [Reviewers: Ashutosh] [Release note required]

- [Ashutosh]
- Closed review on cstor-operators and api repo PRs and merged. PR related to migration is pending.
- CSPC demo video
- Working on restore controller.

- [Kiran] [Updated by Ashutosh -- Feel free to edit/correct]
- Working on installer

- [Prateek]
- Cstor API docs (In review, needs one rebase to include new changes)
- CVC controller mock and fake testing (WIP)
- Replace manual cstor crds with auto generated CRDs (pending) [*Requires e2e*]
- Enhance CSI integration tests in travis/github-actions( under review) (Reviewer: payes. Kiran)
- Helm chart release automation with index update changes ( under review) [Reviewer: Kiran]
- PR reviews cstor-operators , upgrade and migrations

- [Giri]
- Create target with resource limit and requests specified and ensure that it is honored.

## May 21nd, 2020

Attendees: Ashutosh, Sai, Shubham, Prateek, Sathya, Giri, Kiran

### Status Updates

- [sathya]
- Pool pod chaos
- cspc-mgmt container kill in cspc pool pod for pool status verification (in progress)
[Sai]
- OEP for backup/restore (In review, velero plugin has to ben added)
- Backup controller (in pending)
- CSPI fake controller test (in review)
- CSPI Status Capacity representation.

[Ashutosh]
- PR reviews on cstor-operators and migration.
- Start on restore controller v1

- [Shubham]
- Migration from SPC to CSPC (under review)
- Migration from external provisioner to CSI volumes (in progress)
- CSPC webhook for pool downscale(pending)
- Release Acitivity -- upgrade job examples and CI enhancements.

- [Prateek]
- Cstor API docs (In review)
- CVC controller mock and fake testing (WIP)
- Replace manual cstor crds with auto generated CRDs (pending) [*Requires e2e*]
- Enhance CSI integration tests in travis/github-actions(WIP)
- Helm chart release automation with index update changes
- PR reviews cstor-operators , upgrade and migrations

- [Kiran]
- Helm chart for cStor

- [Giri]

## May 14th, 2020

Attendees: Ashutosh, Sai, Shubham, Prateek, Sathya, Giri, Kiran

### Status Updates
- [Shubham]
- CSPC webhook for pool expansion (done)
- CSI Volume upgrade (under review)
- Migration from SPC to CSPC (in progress)
- CSPC upgrade (done -- sanity test delayed till helm charts available)
- CSPC webhook for pool downscale(pending)
- Release Acitivity

- [sathya]
- change litmus books for cspc v1 provisioning (done)
- modify litmus books for day2 ops cspc v1 (done)
- Release activity
- Pool pod chaos
- pod container kill (in progress)

- [Giri]
- csi provsioner deployment litmus experiment to fetch the file from cstor-csi repo (done)
- Litmus book to create volume snapshotclass(done)

- [Prateek]
- cStor Volume API Documetation (PR under review)
- Cstor-operators and csi-operators 1.10.0 PR
- CVC controller mock test (WIP)
- Test the upgrade 1.0.0 to 1.10.0 in GKE
- Release Activity

- [Ashutosh]
- CSPC and repo contributor documentation
- Travis fail fast
- Restore controller (pending)
- Release Activity

- [Sai]
- OEP for backup/restore (In review, velero plugin has to ben added)
- Backup controller (in pending)
- CSPI fake controller test (in review)
- Release Activity
- SPC pool deletion fail(due to pool busy errors)

- [Kiran]
- Helm install for cstor drivers (push to next release)
- Release Activity
- Release docs

## May 7th, 2020

Attendees: Ashutosh, Sai, Shubham, Prateek, Sathya, Giri, Vitta, Kiran

### Status Updates
- [Ashutosh]
- Unit Tests - mock controller framework (in review)
- Sanity Test in Travis (done).
Run YAML to setup cstor and csi driver and deploy an busybox app.
- API Documetation for cStor Pools (in-progress)
- customizing docker files for cstor-operators(in-progress)

- [Prateek]
- cStor v1 CRDs auto generation (done)
- Webhook validation for sane defaults (done)
- Volume controller enhancements (done)
- cStor Volume API Documetation (WIP)
- Unit tests for Volume Controller (pending)
- Volume policy reconcile (done)
- docker customizations for cstor-csi repo

- [Sai]
- Rebuild estimates (done)
- Webhook to restrict pvc deletion if snapshots exist (done)
- Velero backup controller design (approved) [OEP can be raised openebs/openebs repo -- OEP raised in openebs/openebs#https://github.com/openebs/openebs/pull/3032].
- Unit tests on cspi controller (PR Under Review)
- CStor-pool expansion when the underlying disk was expanded (design and implementation under review)(Pushed out of cStor GA scope)
- Currently woeking on issues reported by e2e team for release

- [Shubham]
- CSPC upgrade (in-review -- WIP for sanity test)
- CSI Volume upgrade (in progress)
- cspc webhook for pool expansion (done)
- cspc webhook for pool downscale(pending)
- migration from SPC to CSPC (pending)

- [Sathya]
- Pool - disk replacement (done)
- CSI Target Pod kill (done)
- change litmus books for cspc v1 provisioning (in-progress)
- modify litmus books for day2 ops cspc v1

- [Giri]
- CSI provisioner refactoring in litmus (in-progress)
- Soak Test Bed. (in-progress)

- [Kiran]
- Helm install for cstor drivers (pending)

- [Vitta]
- OEP on Backup and Restore via Velero with new cStor Operators.

### Discussions
- cStor new Schema Repo and automation readiness.
- [kiran] helm install and operators (in progress)
- [kiran] tagged images
- [prateek] yamls in respective repos, follows the convention of metadata
- [ashutosh] github readme cstor-operators repo updates
- [prateek] OEP on cstor csi driver updated and merged
- [ashutosh] contributor guidelines for cstor-operators, api, upgrade
- [giri] e2e pipelines under stable will show SPC and CSPC related tests executed
- [kiran] OpenEBS docs to include references to new helm/operator yamls
* Pool Create/Delete
* Add Pools (Scale up)
* Disk Replacement
* Disk addition
* Delete Pool (Scale down) (Pending)
* Volume Create/Delete
* Volume Snapshot and Clone
* Volume Resize
* Volume Replica Scaleup and Scale Down
* Velero Backup and Restore (Pending)
* Upgrade
* Migration (Pending)
* Volume Metrics
* Pool Metrics
* Grafana Dashboards (Pending)

- [Ashutosh] cStor new Schema Demo/blog for 1.10
- Demo setup
-

## April 30, 2020

Attendees: Ashutosh, Prateek, Shubam, Sathya, Sai, Giri, Kiran

### Status Updates

- [Ashutosh]
- Unit Tests - mock controller framework (in review)
- Sanity Test in Travis (pending). Run YAML to setup cstor and csi driver and deploy an busybox app.
- API Documetation for cStor Pools (pending)
- CI via GitHub Actions (pushed out for now)

- [Prateek]
- cStor v1 CRDs auto generation (in review)
- Webhook validation for sane defaults (in review)
- Custom CSI Topology key (done)
- CSI Raw block volume metrics support (Approved, hold merge)
- Helm Charts linting and test automation (done)
- Travis build and push images for cstor-operators (done)
- Volume controller enhancements (in progress)
- cStor Volume API Documetation (pending)
- Unit tests for Volume Controller (pending)

- [Sai]
- Rebuild estimates (done, v1 version under review)
- Webhook to restrict pvc deletion if snapshots exist (done)
- Add status conditions on CSPI (done)
- Velero backup controller (under design review)
- Unit tests on cspi controller (pending)
- CStor-pool expansion when the underlying disk was expanded (design and implementation under review)

- [Shubham]
- CSPC upgrade (in review)
- CSI Volume upgrade (in progress)
- migration from SPC to CSPC (pending)

- [Sathya]
- Pool - disk replacement (in review)
- CSI Target Pod kill (in progress)
-

- [Giri]
- Node Failure on unmanaged cluster SPC and CSPC (done)

- [Kiran]
- Helm install for cstor drivers (pending)

#### Discussion Topics
- [Ashutosh]
- Backlog Review: https://github.com/orgs/openebs/projects/9
- Add: Migration of CSPI when underlying disk moves to new node.
- Will user run both cstor with SPC and CSPC on same cluster.
- Yes. This needs to be manually tested.
- In 1.10, users can install CSPC, along with default SPC and can try out.
- In 1.11/2.0, when upgrades are seamless, SPC will be disabled by default and an upgrade path will be provided to CSPC.

- [Giri/Sathya]
- [SOAK Test Plan for OpenEBS](https://docs.google.com/document/d/1CvzpjLpH6YiDdDynEzFAi-qUIGBd0VnjFJGAV9BG_7I/edit#heading=h.dk5vnp2mr4ax)
- E2E cstor scenarios https://docs.google.com/spreadsheets/d/17UrlNoN4c69Jyl3MvAbs0vXmwf6FjzMI4dYUM--TxsI/edit#gid=1604376367

- [Pending issues from cstor-control plane]
- Ability to expand pool if the underlying disk got expanded.
- OEP on this - https://github.com/openebs/openebs/pull/3001
- PR on this - https://github.com/openebs/cstor-operators/pull/43
- Ability to migrate CSPI to a different node in the same CSPC
- OEP on this - https://github.com/openebs/openebs/pull/3113
- PR on this - https://github.com/openebs/cstor-operators/pull/167
- Ability to migrate a CVR to a different CSPI in the same CSPC [Replica Scheduler will simplify this]
- Ability to migrate the CSPI in k8s auto upgrade scenario for GKE ( User : Garrett Bates )
- https://kubernetes.slack.com/archives/CUAKPFU78/p1600276868229200

- CSPC based integration test infrastructure. [Tracked as a CARD in cStor project ]
- https://github.com/openebs/openebs/issues/2290 [ Replica Distribution Feature ]
- https://github.com/openebs/openebs/issues/2855 [ Over-provisioning restriction for CSPC based volumes -- Depends on replica distribution ]
- CSPC integration tests [ https://github.com/openebs/cstor-operators/issues/111 ]
- https://github.com/openebs/cstor-operators/issues/116

- https://github.com/openebs/openebs/issues/2939
- https://github.com/openebs/maya/issues/1568
- https://github.com/openebs/openebs/issues/2930
- https://github.com/openebs/openebs/issues/2938