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NetApp Stage KB

Kubernetes log spam with volume removal errors of Trident volumes

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Category:
astra_trident
Specialty:
SNAPX
Last Updated:

Applies to

Trident for Kubernetes/Openshift

Issue

The following errors go into /var/log/messages of a Kubernetes node:

kubelet[33077]: E1119 09:25:14.131509   33077 reconciler.go:193] operationExecutor.UnmountVolume failed (controllerAttachDetachEnabled true) for volume "<PV>" (UniqueName: "kubernetes.io/csi/csi.trident.netapp.io^pvc-<PVC_UUID>") pod "<POD_UUID>" (UID: "<POD_UUID>") : UnmountVolume.NewUnmounter ... : kubernetes.io/csi: unmounter failed to load volume data file [/var/lib/kubelet/pods/<POD_UUID>/volumes/kubernetes.io~csi/pvc-<PVC_UUID>/mount]: kubernetes.io/csi: failed to open volume data file ...: open /var/lib/kubelet/pods/<POD_UUID>/volumes/kubernetes.io~csi/pvc-<PVC_UUID>/vol_data.json: no such file or directory
 
and:

time="2020-12-02T13:41:04Z" level=error msg="GRPC error: rpc error: code = NotFound desc = volume not mounted" requestID=34ed7c20-1dca-487d-944d-6fa10eb02b3d requestSource=CSI
time="2020-12-02T13:41:04Z" level=error msg="GRPC error: rpc error: code = NotFound desc = volume not mounted" requestID=2b5ad90e-d45b-49df-9142-b0eb93465805 requestSource=CSI
time="2020-12-02T13:41:04Z" level=error msg="GRPC error: rpc error: code = NotFound desc = volume not mounted" requestID=4e94babe-380d-4a34-939b-5104f8652ada requestSource=CSI

 

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Case Citation
e709e085-1ee8-4090-88b9-fb3f2b3344a3