Disabling kdump

Steps to disable kdump in IBM Storage Fusion.

About this task

If you want to disable kdump after a Global data platform upgrade, follow this procedure.

For any node drain issues, see Issues related to IBM Storage Fusion HCI System node drains.

Procedure

  1. Create a MachineConfig YAML file, "disable-kdump-worker.yaml" with the following information that configures and disable kdump.
    
    apiVersion: machineconfiguration.openshift.io/v1
    kind: MachineConfig
    metadata:
      labels:
        machineconfiguration.openshift.io/role: worker
      name: 99-custom-disable-kdump-worker
    spec:
      config:
        ignition:
          version: 3.2.0
        systemd:
          units:
          - enabled: false
            mask: true
            name: kdump.service
  2. Create a MachineConfig YAML file, "disable-kdump-master.yaml" with the following information that configures and disable kdump.
    
    apiVersion: machineconfiguration.openshift.io/v1
    kind: MachineConfig
    metadata:
      labels:
        machineconfiguration.openshift.io/role: master
      name: 99-custom-disable-kdump-master
    spec:
      config:
        ignition:
          version: 3.2.0
        systemd:
          units:
          - enabled: false
            mask: true
            name: kdump.service
  3. Run the OC commands to disable kdump.
    
    oc apply -f disable-kdump-master.yaml
    oc apply -f disable-kdump-worker.yaml