[CentOS] kernel: nfs: RPC call returned error 88

Thu May 17 16:21:32 UTC 2012
Rhugga Harper <rhugga at gmail.com>

We have a 2-node Oracle RAC that keeps getting the following error:
kernel: nfs: RPC call returned error 88

The storage being mounted is netapp. We don't see any errors/issues on the
storage itself or the switches this client is connecting thru. The NFS
network is a 2-interface ( 2 x 1Gb UTP) bond which shows no errors of any

We are mounting with the following mount options:

This problem sometimes hits the OCR votedisk shares and causes the instance
to crash.

These systems were upgraded to 5.6 back in January.

Currently running 2.6.32-300.4.1.

Thanks for any info,