Tuesday, December 29, 2020

Tip: Attach volume conflict Error in OKE


    The pods with block volumes in OKE (oracle Kubernetes engine) are reporting such error:

Warning  FailedAttachVolume  4m26s (x3156 over 4d11h)  attachdetach-controller  (combined from similar events): AttachVolume.Attach failed for volume "*******54jtgiq" : attach command failed, status: Failure, reason: Failed to attach volume: Service error:Conflict. Volume *****osr6g565tlxs54jtgiq currently attached. http status code: 409. Opc request id: *********D6D97


    There are quite a few reasons for that. One of them is as the error states:  the volume is attached to another host instance, thus it can't be attached again. 

    To fix that, we can find attach status and VM instance details via volume id. Then manually detach the volume from the VM via SDK or console. The error would be gone

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