Tridentは、ANF NFS PVSのプロビジョニングを待機しているコンテナからPODを離れます

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Category:: trident-kubernetes<a>2009538563.</a>

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環境

標準ネットワーク機能を備えたAzure NetApp Files （ANF）
OpenShift / Kubernetes向けAstra Trident（バージョン19.07以降

問題

Tridentで新しくセットアップしたANFバックエンドを使用すると、プロビジョニングが成功せず、タイムアウトします。

~$ oc get events LAST SEEN TYPE REASON OBJECT MESSAGE 89s Warning FailedMount pod/nginx-pod-1 Unable to attach or mount volumes: unmounted volumes=[volume], unattached volumes=[volume kube-api-access-7fthh]: timed out waiting for the condition

51s Warning FailedAttachVolume pod/nginx-pod-1 AttachVolume.Attach failed for volume "pvc-27468699-089f-4a47-8d9e-4a7c59e12e5c" : timed out waiting for external-attacher of csi.trident.netapp.io CSI driver to attach volume pvc-27468699-089f-4a47-8d9e-4a7c59e12e5c

単一の要求UUIDを確認すると、のイベントに次の情報が表示 trident-controller-sidecar-csi-provisionerされます。

（a）最初の要求は、応答が到着するまで10秒かかりました。I0410 18:30:23.854476 1 connection.go:184] GRPC request: {"accessibility_requirements":{"preferred":[{"segments":{"topology.kubernetes.io/region":"westus3","topology.kubernetes.io/zone":"westus3-1"}},{"segments":{"topology.kubernetes.io/region":"westus3","topology.kubernetes.io/zone":"westus3-2"}},{"segments":{"topology.kubernetes.io/region":"westus3","topology.kubernetes.io/zone":"westus3-3"}}],"requisite":[{"segments":{"topology.kubernetes.io/region":"westus3","topology.kubernetes.io/zone":"westus3-1"}},{"segments":{"topology.kubernetes.io/region":"westus3","topology.kubernetes.io/zone":"westus3-2"}},{"segments":{"topology.kubernetes.io/region":"westus3","topology.kubernetes.io/zone":"westus3-3"}}]},"capacity_range":{"required_bytes":21474836480},"name":"pvc-23b8d581-52f3-467f-9801-febc99bfc13e","parameters":{"fsType":"nfs","selector":"performance=bronze"},"volume_capabilities":[{"AccessType":{"Mount":{"fs_type":"nfs"}},"access_mode":{"mode":5}}]}

I0410 18:30:33.965371 1 connection.go:187] GRPC error: rpc error: code = DeadlineExceeded desc = volume state is Creating, not Succeeded

W0410 18:30:33.965464 1 controller.go:934] Retrying syncing claim "23b8d581-52f3-467f-9801-febc99bfc13e", failure 0 E0410 18:30:33.965490 1 controller.go:957] error syncing claim "23b8d581-52f3-467f-9801-febc99bfc13e": failed to provision volume with StorageClass "azure-netapp-files-bronze": rpc error: code = DeadlineExceeded desc = volume state is Creating, not Succeeded

（b）最初の再試行は9秒後に行われます。

W0410 18:30:42.209074 1 controller.go:934] Retrying syncing claim "23b8d581-52f3-467f-9801-febc99bfc13e", failure 1 E0410 18:30:42.209101 1 controller.go:957] error syncing claim "23b8d581-52f3-467f-9801-febc99bfc13e": failed to provision volume with StorageClass "azure-netapp-files-bronze": rpc error: code = DeadlineExceeded desc = volume state is still Creating, not Succeeded

（c）16秒後の2回目の再試行：

W0410 18:30:58.463242 1 controller.go:934] Retrying syncing claim "23b8d581-52f3-467f-9801-febc99bfc13e", failure 2 E0410 18:30:58.463271 1 controller.go:957] error syncing claim "23b8d581-52f3-467f-9801-febc99bfc13e": failed to provision volume with StorageClass "azure-netapp-files-bronze": rpc error: code = DeadlineExceeded desc = volume state is still Creating, not Succeeded

（d）残りは30秒ごとに実行します。
W0410 18:31:28.776946 1 controller.go:934] Retrying syncing claim "23b8d581-52f3-467f-9801-febc99bfc13e", failure 3 E0410 18:31:28.776974 1 controller.go:957] error syncing claim "23b8d581-52f3-467f-9801-febc99bfc13e": failed to provision volume with StorageClass "azure-netapp-files-bronze": rpc error: code = DeadlineExceeded desc = volume state is still Creating, not Succeeded W0410 18:31:59.046562 1 controller.go:934] Retrying syncing claim "23b8d581-52f3-467f-9801-febc99bfc13e", failure 4 E0410 18:31:59.046597 1 controller.go:957] error syncing claim "23b8d581-52f3-467f-9801-febc99bfc13e": failed to provision volume with StorageClass "azure-netapp-files-bronze": rpc error: code = DeadlineExceeded desc = volume state is still Creating, not Succeeded W0410 18:32:29.272501 1 controller.go:934] Retrying syncing claim "23b8d581-52f3-467f-9801-febc99bfc13e", failure 5 E0410 18:32:29.272528 1 controller.go:957] error syncing claim "23b8d581-52f3-467f-9801-febc99bfc13e": failed to provision volume with StorageClass "azure-netapp-files-bronze": rpc error: code = DeadlineExceeded desc = volume state is still Creating, not Succeeded W0410 18:32:59.492813 1 controller.go:934] Retrying syncing claim "23b8d581-52f3-467f-9801-febc99bfc13e", failure 6 E0410 18:32:59.492842 1 controller.go:957] error syncing claim "23b8d581-52f3-467f-9801-febc99bfc13e": failed to provision volume with StorageClass "azure-netapp-files-bronze": rpc error: code = DeadlineExceeded desc = volume state is still Creating, not Succeeded W0410 18:33:29.753260 1 controller.go:934] Retrying syncing claim "23b8d581-52f3-467f-9801-febc99bfc13e", failure 7 E0410 18:33:29.753286 1 controller.go:957] error syncing claim "23b8d581-52f3-467f-9801-febc99bfc13e": failed to provision volume with StorageClass "azure-netapp-files-bronze": rpc error: code = DeadlineExceeded desc = volume state is still Creating, not Succeeded W0410 18:34:00.004575 1 controller.go:934] Retrying syncing claim "23b8d581-52f3-467f-9801-febc99bfc13e", failure 8 E0410 18:34:00.004604 1 controller.go:957] error syncing claim "23b8d581-52f3-467f-9801-febc99bfc13e": failed to provision volume with StorageClass "azure-netapp-files-bronze": rpc error: code = DeadlineExceeded desc = volume state is still Creating, not Succeeded W0410 18:34:30.252470 1 controller.go:934] Retrying syncing claim "23b8d581-52f3-467f-9801-febc99bfc13e", failure 9

最後の失敗後、最初の作成要求から4分7秒後に要求が送信されることはありません。