NFS 未响应，出现 Nblade.nfsRCChecksumMismatch 错误

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Category:: ontap-9

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适用于

ONTAP 9
NFSv3
OpenStack 环境

问题

虚拟机遇到延迟或 I/O 停顿

Linux 主机报告 NFS 客户端错误

kernel: nfs: server xxx.xxx.xxx.xxx not responding, still trying

存储日志显示 EMS 事件

Nblade.nfsRCChecksumMismatch:alert]: Replay cache checksum mismatch detected in retransmitted NFS request from client. Vserver ID is 5; service protocol:version is NFS:3, Rpc Xid 0x12xxxxxx; client IP address:port is xxx.xxx.xxx.xxx:947. local IP address is yyy.yyy.yyy.yyy; NFS procedure number is 7.

问题在特定时间窗口内间歇性发生