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14.4. Storage checkups

You can use a storage checkup to verify that the cluster storage is optimally configured for OpenShift Virtualization.

Running a predefined checkup in an existing namespace involves setting up a service account for the checkup, creating the Role and RoleBinding objects for the service account, enabling permissions for the checkup, and creating the input config map and the checkup job. You can run a checkup multiple times.

중요

You must always:

  • Verify that the checkup image is from a trustworthy source before applying it.
  • Review the checkup permissions before creating the Role and RoleBinding objects.

14.4.1. Retaining resources for troubleshooting storage checkups
링크 복사

The predefined storage checkup includes skipTeardown configuration options, which control resource clean up after a storage checkup runs. By default, the skipTeardown field value is Never, which means that the checkup always performs teardown steps and deletes all resources after the checkup runs.

You can retain resources for further inspection in case a failure occurs by setting the skipTeardown field to onfailure.

Prerequisites

  • You have installed the OpenShift CLI (oc).

Procedure

  1. Run the following command to edit the storage-checkup-config config map: 

    $ oc edit configmap storage-checkup-config -n <checkup_namespace>

  2. Configure the skipTeardown field to use the onfailure value. You can do this by modifying the storage-checkup-config config map, stored in the storage_checkup.yaml file: 

    apiVersion: v1
kind: ConfigMap
metadata:
  name: storage-checkup-config
  namespace: <checkup_namespace>
data:
  spec.param.skipTeardown: onfailure
# ...

  3. Reapply the storage-checkup-config config map by running the following command: 

    $ oc apply -f storage_checkup.yaml -n <checkup_namespace>
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