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Description of problem:
After update to RHEL 6.1 and all associated package on Sunday May 29th, I have found that I cannot mount a specific NFS directory that I could before being exported from a Centos 5.5 box elsewhere. I have several other nfs mounts all being exported from Netapp filers, and they are working splendidly. When I attempt to mount, I get the following message:
mount.nfs: requested NFS version or transport protocol is not supported
I had seen a similar report of someone online using Fedora 11 and they found that it no longer supported mounting of NFS via UDP by default and you had to specify this in fstab. I did so but continue to get the same message.
Version-Release number of selected component (if applicable):
How reproducible: Every time I mount from this other machine.
Steps to Reproduce:
1. mount /path/to/dir as specified in /etc/fstab
2.
3.
Actual results: Error message that the protocol or version is not supported.
Expected results: That it would mount correctly as it had on Sunday prior to OS update and reboot.
Additional info: Still investigating causes here as well as potential causes on exporting system, wanted to post bug to see if others had encountered similar issue.
Could you please post the following information
rpcinfo -p <server>
and then get a network trace of the problem with:
tshark -w /tmp/data.pcap host <server>
bzip2 /tmp/data.pcap