CONTAP-349486：重新启动后无法通过 NFS 访问 FlexCache 卷

问题描述

• 重新启动后，FlexCache 卷将无法通过 NFS 访问
• 源卷可访问
• 具有源卷的节点将在 sktraces 中显示以下消息
• WAFLREMOTE_EXCEPTION:  Failing retrieve for origin 1051.5705393 with ERETRY because cache vol-msid: 2149588280 is fenced pending NIX
• WAFLREMOTE_EXCEPTION:  NIX Mgr completed with status fail (3002)
• SPINNP_ERR_FLEXCACHE_CONFIG_STALE = 3002, // FlexCache config APIs returned EFLEXCACHE_CONFIG_STALE
• 具有缓存的节点在 EMS 中将具有以下信息
• Nblade.JunctionRootLookup2: Junction root lookup failed for a volume (Name: <flexcache volume name>, MSID: <flexcache volume MSID>) in Vserver (Name: <flexcache vserver>, ID: <flexcache vserver ID>) with reason: SPINNP(292)
• SPINNP_ERR_RETRY = 292,       // General-purpose retry error code

• kernel: Nblade.dBladeNoResponse.NFS:error]: File operation timed out because there was no response from the data-serving node. Node UUID: <node UUID>, file operation protocol: NFS, client IP address: <client IP>, Opcode/Procedure: NFS3_LOOKUP(3).