Client reports "NFS server not responding" but no issues seen on the storage end
Applies to
- ONTAP 9
- NFS
Issue
- A single/multiple client logs NFS server not responding intermittently:
Sep 18 08:38:02 server kernel: [2681704.006022] nfs: server 10.xx.xx.233 not responding, still trying
Sep 18 08:41:15 server kernel: [2681896.500615] nfs: server 10.xx.xx.233 not responding, still trying
Sep 18 08:44:27 server kernel: [2682088.993327] nfs: server 10.xx.xx.233 not responding, still trying
- ONTAP doesn't report any errors in the event logs during the issue time.
- PerfArchive data shows no change IOPs during the errors, however, latency is low.