After upgrade to RHEL6.6, NFS4 client receiving a TCP reset does not fail immediately but retries for RPC timeout, up to 10 minutes
Issue
- Failed NFS version 4 mounts retry for the RPC timeout in RHEL 6.6
- Our NFS Server returns TCP Reset to some clients by design. The clients used to fail immediately, now they retry for 10 minutes.
- Using NFS DFS on a Hitachi HNAS results in some clients having long delays mounting one DFS Link when the NFS Server is down.
Environment
- Red Hat Enterprise Linux 6.6
- kernel 2.6.32-504.el6 or above
- kernel prior to 2.6.32-642.el6
- NFSv4 network file system
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