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Chapter 2. Downloading log files and diagnostic information using must-gather
If Red Hat OpenShift Container Storage 4.2 is unable to automatically resolve a problem, use the must-gather tool to collect log files and diagnostic information so that you or Red Hat support can review the problem and determine a solution.
Procedure
Run the
must-gathercommand from the client connected to the Openshift Container Storage cluster:$ oc adm must-gather --image=registry.redhat.io/ocs4/ocs-must-gather-rhel8 --dest-dir=<directory-name>
This collects the following information in the specified directory:
- Collects all OpenShift Container Storage cluster related Custom Resources (CRs) with their namespaces.
- Collects pod logs of all the OpenShift Container Storage related pods.
- Collects output of some standard Ceph commands like Status, Cluster health, and others.
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