Re: [opensuse] OpenSuse 10.2 - Fortran compilation very slow through NFS network with a 64bit server and 32bit clients.
- From: Dave Howorth <dhoworth@xxxxxxxxxxxxxxxxx>
- Date: Fri, 30 Nov 2007 16:10:11 +0000
Michel Rasquin wrote:
Dear all,
I am a new OpenSuSE user and quite convinced by this distribution.
However, I still have a problem.
I have configured a gigabit network, using nfs and everything works
fine except for all the Fortran compilers I have tried so far (Intel,
g95, gfortran).
There is no problem to compile some files which are stored locally on
a nfs client.
However, when I try to compile some files stored on /home which is
mounted through nfs, then it takes hours to make the link between all
the .o files created.
My server is an OpenSuSE 10.2 - 64bit machine and the nfs options are
"root_squash,sync,insecure,rw".
All the clients run on OpenSuSE 10.2 - 32bit, with the options
"rw,soft".
Except for the compilation, I do not face any other slow network
communication.
It's worth checking the speeds. Do some dd transfers between local disks
and across the network for example.
Do you know if the problem is related to the "32bit clients - 64bit
server" association?
Should I add another nfs option to the server or to the clients?
You probably want an rsize= and wsize= options. 8192 is the traditional
value but check the man pages for details
Cheers, Dave
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