Re: What happened to NFS on fedora 11?

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On Wed, 2009-10-07 at 11:03 -0600, Frank Cox wrote:
> On Wed, 07 Oct 2009 10:47:36 -0400
> Tom Horsley wrote:
> 
> > On Wed, 7 Oct 2009 10:35:40 -0400
> > Tom Horsley wrote:
> > 
> > > Do I have to edit every NFS mount line in my
> > > fstab manually?
> > 
> > Apparently I do :-(. I can only mount from older machines
> > if I explicitly give "proto=udp" as a mount option, at
> > least none of the other work-arounds I've tried have worked.
> 
> I just discovered that I have the same problem here.  This computer is supposed
> to mount two fileservers.  One of the fileservers runs Centos 5 and the other
> is an Intel SS-4000E (a dedicated fileserver that runs its own embedded Linux).
> 
> The Centos 5 server mounted fine, but the Intel fileserver failed.
> 
> My fstab is set up as follows:
> 
> fileserver:/nas/NASDisk-00002/files/ /mnt/fileserver         nfs
> defaults        0 0
> 
> After rebooting my computer last night when it finished updating to
> nfs-utils-1.2.0-5.fc11.x86_64 the fileserver failed to mount.  I found out
> about it this morning when my overnight backup to the fileserver failed to work.
> 
> Running the mount command from the commandline tells me this:
> 
> QUOTE:
> [root@mutt frankcox]# mount fileserver:/nas/NASDisk-00002/files/ /mnt/fileserver
> 
> mount.nfs: requested NFS version or transport protocol is not supported
> END OF QUOTE:
> 
> Using the suggested option "-o proto=udp", it mounted fine.
> 
> QUOTE:
> [root@mutt frankcox]# mount -o proto=udp
> fileserver:/nas/NASDisk-00002/files/ /mnt/fileserver
> END OF QUOTE
> 
> That worked and my Intel fileserver is now present on this computer again.
----
is there some particular advantage to using udp instead of tcp protocol?
I only use nfs on a LAN and have always used the tcp.

Craig


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