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Force NFS v3 Mounts

Created by dave. Last edited by dave, 4 years and 148 days ago. Viewed 3,675 times. #1
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(2014-07-17)

Problem

My CentOS 6 client is trying to mount everything using NFS v4 and I want it to use v3.

Solution

Change /etc/sysconfig/autofs:

# Turn off v4 protocol support
RPCNFSDARGS="-N 4"

Change /etc/nfsmount.conf:

# Protocol Version [2,3,4]
# This defines the default protocol version which will
# be used to start the negotiation with the server.
Defaultvers=3
#
# Setting this option makes it mandatory the server supports the
# given version. The mount will fail if the given version is
# not support by the server.
Nfsvers=3

Restart or reboot and you should be good to go.

(Note: this is a poor substitute for setting up NFSv4 properly.)

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