NFSサーバが応答しない、またはNVRAMがCVOインスタンスで通常より時間がかかる
環境
- ONTAP 9
- Cloud Volumes ONTAP(CVO) for AWS
- Cloud Volumes ONTAP (CVO) for Azure
問題
- クライアントに「NFSサーバが応答していません」というメッセージが表示されます。
Aug 23 13:08:29 linux kernel: [1966881.247069] nfs: server fileserver.domain.com not responding, still trying
- EMSが長時間の操作を示しています
Mon Aug 23 12:02:23 +0100 [ONTAP-01: wafl_exempt13: vnvram.dma.long.wait:alert]: vNVRAM flush taking over 10 seconds.Mon Aug 23 12:02:38 +0100 [ONTAP-01: kernel: Nblade.nfsLongRunningOp:debug]: Detected a long running network process operation. The client IP address:port is 10.10.10.22:691. The local IP address:port is 10.10.10.23:2049. The protocol requesting the operation is NFS3. The RPC program number for the operation is 100003. The protocol procedure for the operation is Write (7). The disk process UUID is 210137455afd11eb9a0e000d3ad879a8. The Vserver associated with the operation is SVM01. The UID of the user is 769. The MSID for the volume is 2163530000. The inode number of the file is 350.