[ale] CIFS <-> NFS bridge?

[Ned Williams]

NFS v1/2 are not very complicated protocols, I am still curios why the nfs
client hangs up when he tries to viiew the data on the mounted SMB share I
might be interested to see what is written to syslog during this time or
perhaps an strace output of nfsd while the client is trying to access..If
its a timeout issue then the fix is to simply increase the timeout values of
either the nfsd/nfsclient. Also I might be curious to see what exports ran
from a remote system against the NFS server reports, do the shares show up
each time or intermittently.


Ned


On 7/25/07, James P. Kinney III <jkinney at localnetsolutions.com> wrote:
>
> Hmm. Build a new fileserver with new kernel. Export the files using new
> samba and new NFS. Mount the new files onto the old server with the old,
> certified kernel using NFS. This will let the apps run OK and dodge the
> samba/kernel issue. Now the same files can be exported to other systems
> from the new fileserver using samba and NFS without disrupting the
> certified box.
>
> On Tue, 2007-07-24 at 17:20 -0500, Dylan Northrup wrote:
> > I am in a situation where I need to have a system to translate between a
> > CIFS file server and an NFS client.  I found Trellis NAS Bridge
> Appliance
> > (TNBA) and Gateway for NFS from Microsoft when searching google, but
> neither
> > seem to allow re-exportation of shared filesystems via NFS.
> >
> > Let me explain what I want to do so folks can poke holes in my
> ideas.  We
> > have a file server that can only be accessed via CIFS and a linux server
> at
> > a 2.4 kernel level.  The files we're accessing are media files and are
> > typically greater than 2G in size.  We tested the most recent samba
> release
> > on the 2.4 kernel and it does not properly handle files of that size.
> > Accessing large files via NFS does not seem to have that
> problem.  Updating
> > the kernel on the linux box would require an extensive certification
> process
> > for the software we are running on it and is something we'd like to
> avoid,
> > if possible.
> >
> > We've tested putting a linux server with an updated kernel between the
> file
> > server and the older box.  While I was able to mount SMB shares and
> properly
> > view them as well as export directories via NFS, I was unable to access
> any
> > of the SMB files via NFS (client timed out on the NFS calls).
> >
> > We'd like to have a box sitting between the file server and the linux
> server
> > that will allow mounting of SMB shares and re-exporting them via NFS.
> > Replacing the file server isn't an option.
> >
> > --
> > Dylan Northrup - docx at io.com - http://www.io.com/~docx/
> > "Harder to work, harder to strive, hard to be glad to be alive, but it's
> >   really worth it if you give it a try." -- Cowboy Mouth, 'Easy'
> > _______________________________________________
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> > Ale at ale.org
> > http://www.ale.org/mailman/listinfo/ale
> >
> --
> James P. Kinney III
> CEO & Director of Engineering
> Local Net Solutions,LLC
> 770-493-8244
> http://www.localnetsolutions.com
>
> GPG ID: 829C6CA7 James P. Kinney III (M.S. Physics)
> <jkinney at localnetsolutions.com>
> Fingerprint = 3C9E 6366 54FC A3FE BA4D 0659 6190 ADC3 829C 6CA7
>
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