Nblade.vldb.Timeout导致服务中断

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适用场景

ONTAP 9

问题描述

发生意外LIF故障转移、系统随后指示 nodewatchdog.svc.rpc.noresp, Nblade.vldb.Timeout, ucore.panicString 消息。数据服务不可用。

示例：

clustermgt::*> network interface show -is-home !true
 Logical    Status     Network            Current       Current Is
 Vserver     Interface  Admin/Oper Address/Mask       Node          Port    Home
 ----------- ---------- ---------- ------------------ ------------- ------- ----
 cluster
 cluster-1  up/up    xxx.xxx.xxx.xxx/24     clustermgt-03  a0a     false
 cluster-2  up/up    xxx.xxx.xxx.xxx/24     clustermgt-03  a0a     false
 cluster-3  up/up    xxx.xxx.xxx.xxx/24     clustermgt-03  a0a     false
 cluster-4  up/up    xxx.xxx.xxx.xxx/24     clustermgt-03  a0a     false
 clustermgt
 clustermgt-00  up/up    xxx.xxx.xxx.xxx/24     clustermgt-02  e0M     false
 
 clustermgt_01 ALERT  nodewatchdog.svc.rpc.noresp: The mgwd service internal to Data ONTAP that is required for continuing data service was unavailable. The service failed, but was unsuccessfully restarted.
 clustermgt_01 ERROR  Nblade.vldb.Timeout: Request from the network module to the volume location database (VLDB) timed out.
 clustermgt_01 ERROR  ucore.panicString: 'mgwd: Received SIGABRT (Signal 6) at RIP 0x8195c030c (pid 2409, uid 0, timestamp 1612452192).'
 clustermgt_01 ERROR   ucore.error: Could not dump core for process ID 2409 (mgwd). Reason: coredump "/mroot/etc/crash/mgwd.2409.0537090897.1612452192.ucore" failed: error 4.
 clustermgt_01 ALERT   nodewatchdog.svc.rpc.noresp: The mgwd service internal to Data ONTAP that is required for continuing data service was unavailable. The service failed, but was restarted.