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Dell ObjectScale 1.3 Administration Guide

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Remove a node from temporary maintenance mode (ObjectScale on OpenShift)

About this task

Use this process for ObjectScale instances on a Red Hat OpenShift cluster.

Steps

  1. Remove the taint from the node in temporary maintenance mode. 
    kubectl taint node <NODE_NAME> node.dell.com/drain=planned-downtime:NoSchedule-
  2. Verify that all nodes in the cluster are ready. 
    kubectl get nodes
    NAME                   STATUS   ROLES           AGE   VERSION
master0.ocp4.cmo.com   Ready    master,worker   8d    v1.19.0+3b01205
master1.ocp4.cmo.com   Ready    master,worker   8d    v1.19.0+3b01205
master2.ocp4.cmo.com   Ready    master,worker   8d    v1.19.0+3b01205
worker0.ocp4.cmo.com   Ready    worker          8d    v1.19.0+3b01205
worker1.ocp4.cmo.com   Ready    worker          8d    v1.19.0+3b01205
worker2.ocp4.cmo.com   Ready    worker          8d    v1.19.0+3b01205
worker3.ocp4.cmo.com   Ready    worker          8d    v1.19.0+3b01205
  3. Verify that the object store Phase returns to Available. 
    kubectl get ecs-cluster
  4. Verify that the ObjectScale Portal UI shows that the node has returned from TMM by reviewing the Monitoring > Alerts tab.

Results

All pods that were in the pending state are now running on the node as before.

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