SAP Knowledge Base Article - Preview

3153792 - Volume cannot be attached to Node after Data Intelligence system lost access to Nodes

Symptom

  • Due to a network connection issue SAP Data Intelligence system lost access to some nodes.
  • The kubectl describe pod <pod> shows the volume cannot be attached to the Node since it is already attached to other Node.
        Events:
        Type        Reason                    Age        From                            Message
         ----         ------                      ----        ----                               -------
        Warning   FailedAttachVolume  *****     attachdetach-controller  AttachVolume.Attach failed for volume "pvc-******" : rpc error: code = FailedPrecondition desc = The volume pvc-****** cannot be attached to the node NodeA since it is already attached to the node NodeB
  • The kubectl get pods <pod> shows the pod get stuck in ContainerCreating status.
  • Restart the pod does not help.
  • You are using Longhorn volume. This could be checked by command kubectl get pvc.


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Environment

  • SAP Data Intelligence 3.0
  • SAP Data Intelligence 3.1

Product

SAP Data Intelligence 3.0

Keywords

FailedAttachVolume, ContainerCreating, Longhorn , KBA , CA-DI , Data Intelligence , Problem

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