On Fri, Aug 31, 2012 at 02:46:17PM -0700, Jeremy Allison wrote: > On Fri, Aug 31, 2012 at 08:45:28PM +0000, Scott-Fleming, Ian wrote: > > Is it a problem to share a folder via Samba that is actually an NFS import > > from another machine? > > > > Looking at Samba documentation, it seems it shouldn't be. But I find only > > this one reference to re-exporting an NFS import via Samba (this is under > > "Samba 3.6 Features added/changed"): > > > > http://wiki.samba.org/index.php/Samba_3.6_Features_added/changed#NFS_quota_backend_on_Linux > > > > which says "A new nfs quota backend for Linux has been added that is based > > on the existing Solaris/FreeBSD implementation. This allows samba to > > communicate correct diskfree information for nfs imports that are > > re-exported as samba shares." > > > > But googling the problem, I find numerous discussions, where most contain > > something along the lines of this: > > > > http://serverfault.com/questions/68330/samba-sharing-an-nfs-mount-point > > > > > > which says, "The Samba manual mentions that re-exporting a NFS mountpoint > > over Samba does not work correctly. NFS is not 100% POSIX compatible, so > > some things work differently than what Samba expects. I.e. you should run > > Samba on the same server where you run the NFS service, exporting the local > > disks directly." > > > > I also came across various folks claiming one needs to play with the timing > > parameters in smb.conf. > > > > We're currently running Samba 3.5.10, under RHEL 6.2 (3.5.10 is the version > > currently supplied with RHEL 6.2). Machine Q nfs-mounts machine M's data > > disks, and re-exports them via Samba for users to access. We are > > experiencing problems with the NFS share occasionally becoming very slow > > (both for machine Q and the machines that mount them via Samba), and I'm > > wondering if the re-export is the problem. > > > > Question 1: When was samba re-export of NFS import considered stable? > > I.e., Do I need to update to 3.6 (move ahead of RHEL distribution) for this > > to be OK? > > Question 2: Can someone point me to more official Samba documentation on > > exporting? > > Bottom line - it'll mostly work. > > Caveat. Don't come complaining here when the locking doesn't work :-).
And -- when it suddenly becomes slow, the analysis why it is so is more difficult than with a local file system. Volker -- SerNet GmbH, Bahnhofsallee 1b, 37081 Göttingen phone: +49-551-370000-0, fax: +49-551-370000-9 AG Göttingen, HRB 2816, GF: Dr. Johannes Loxen http://www.sernet.de, mailto:kont...@sernet.de -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba
