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Service outage with Nblade.vldb.Timeout

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318
Visibility:
Public
Votes:
0
Category:
fas-systems
Specialty:
core
Last Updated:

Applies to

  • ONTAP 9

Issue

Unexpected LIF failover occurs and subsequencty the system indicates nodewatchdog.svc.rpc.noresp, Nblade.vldb.Timeout, ucore.panicString message. Data service is not available.
 
Example:

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.

 

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