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As part of deleting the Jiva Volumes, OpenEBS launches scrub jobs for clearing data from the nodes. This job will be running in OpenEBS installed namespace. The completed jobs can be cleared using following command.
In addition, the job is set with a TTL to get cleaned up, if the cluster version is greater than 1.12. However, for the feature to work, the alpha feature needs to be enabled in the cluster. More information can be read from here.
Sometimes, there are chances that cStor volumes Replicas (CVR) may not be deleted properly if some unforeseen scenarios happened such as network loss during the deletion of PVC. To resolve this issue, perform the following command.
And then remove finalizers from the corresponding CVR. Need to remove following entries and save it.
This will automatically remove the pending CVR and delete the cStor volume completely.