尝试挂载 FlexCache 卷时 NFS 服务器挂起接合路径

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适用场景

ONTAP 9
NFS
FlexCache

问题描述

尝试挂载 FlexCache 卷或 qtree 接合路径时，服务器挂起，挂载失败。
挂载 FlexCache 卷的父路径后列出或遍历此卷的行为相同。

在 EMS 中可以看到以下日志：

Wed Dec 30 14:08:33 +0200 [Node01: nblade2: ems.engine.suppressed:debug]: Event 'Nblade.JunctionRootLookup2' suppressed 18211 times in last 121 seconds. Wed Dec 30 14:08:33 +0200 [Node-01: nblade2: Nblade.JunctionRootLookup2:error]: Junction root lookup of a volume in Vserver 100 with MSID 12345678 has failed for reason "SPINNP(3010)".

以及

Wed Dec 30 14:06:48 +0200 [mtrlabfs-01: kernel: Nblade.dBladeNoResponse.NFS:error]: File operation timed out because there was no response from the data-serving node.