Netapp filer ontap upgrade results in RHEL NFS clients receiving delayed RPC replies
Issue
- We have a netapp filer (nfs) issue on some oracle 12g RAC hosts, there are seven hosts, clustered in 2, 2, 3 formation. They were stable until this month of August 2015, the only difference I have seen is a change in the NetApp ONTAP version, on July 28th it was upgraded from 8.2.1 to 8.3 P2.
Environment
- Red Hat Enterprise Linux 6.6 (NFS client)
- kernel 2.6.32-358.0.1.el6.x86_64
- kernel 2.6.32-504.30.3.el6.x86_64
- NFSv3
- Netapp filer ontap 8.3 P2
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