I have also had issues where it 'hung' when using UDP (the default), and i had to switch to TCP
On Thu, 30 Sep 2004 14:16:05 -0700, Ray Olszewski <[EMAIL PROTECTED]> wrote: > At 01:14 PM 9/30/2004 +0200, Andrew wrote: > >NFS server running Mandrake 10.0, client running Slackware 9.0. > >NFS server running Mandrake 9.0, client running Slackware 10.0. > > > >Both cases show the same problem: the remote directory is mounted, but any > >attempt to access it on the client 'hangs', i.e. no response, cursor > >blinks, no prompt, I have to switch to a new console to get anything done. > > > >I have tried both manual and automatic mounting. (Even though the mounting > >itself does not seem to be the problem). > > > >The two servers also share these directories without any trouble. > > > >The only obvious (to me) point is that it only and always happens with a > >Mdk server and Sw client. Can there be some kind of incompatibility? > > Well ... of course there "can" be "some kind of incompatibility". But if > there is, you'll find it in the details. > > The most basic possibility is that Slackware expects NFS version 3 and > Mandrake provides only version 2. If that is the case, the userspace app > mountd (or rpc.mountd) on each server should have been invoked with the " > --no-nfs-version 3" argument. If this is it, you'll need either to enable > NFS3 support on the servers (which may require a kernel recompile, > depending on whether they support NFS in the kernel or with a userapace app > like rpc.nfsd) or change the clients so they use NFS2 (might be able to > specify this in the mount commands on the client -- see what the ones now > in use do, and try adding "-o vers=2", but I'm not sure if that will work > -- or you might have to do a kernel recompile). > > If you are using nfsd and mountd, rather than capabilites compiled into the > kernel, then you can run both in debug mode (the man pages give the > details). Doing so might let you see what the problem is. > > If none of that helps, we'll probably need the details to say more. (I > certainly will, anyway.) > > Are you using the stock install kernels for these 4 > distro/versions? Whether yes or no, what kernels are you using ("uname -a" > normally tells this)? > > What NFS-related processes are running on the 2 servers? Check with "ps > ax". You should find something like this (Debian-Woody with a custom 2.4.17 > kernel) ... > > 243 ? SW 6:51 [nfsd] > 245 ? SW 0:00 [rpciod] > 255 ? S 0:00 /usr/sbin/rpc.mountd > > ... or perhaps like this (Debian-Sid with a custom 2.4.19)... > > 390 ? Ss 0:00 /usr/sbin/rpc.nfsd > 397 ? S 0:00 /usr/sbin/rpc.mountd > 1732 ? Ss 0:00 /sbin/portmap > > (There should also be references to lockd, statd, and maybe quotad). > > What is the relevant configfuration information? > > on the servers, contents of /etc/exports > on the clients (including the servers when they act as clients) > the actual mount commands or the entries in /etc/fstab (depending on how > you are mounting). > > How do you "attempt to access it"? Are you doing an ls, or opening a text > file for reading, or touch'ing a file, or running an app, or ... what? > > Are there any permissions differences that might matter? NFS is a bit > sloppy in that it relies on matching the numeric userid between systems > when determining permissions. So if Mandrake and Slackware don't use the > same iderid numbers in /etc/passwd (thiiis is pretty standard for the > system-level accounts but not perfectly so), it could be introducing some > permissions problem. > > That's about all I can think to ask ... but do include any other details > that seem important to you if you need to post again. > > BTW, the most up-to-date source for NFS info I could find quickly is > > http://nfs.sourceforge.net/ > > The NFS HowTo itself is now a couple of years old and doesn't seem to cover > version 3 in any detail at all. > > > > > - > To unsubscribe from this list: send the line "unsubscribe linux-newbie" in > the body of a message to [EMAIL PROTECTED] > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.linux-learn.org/faqs > -- Brandon Niemczyk http://bniemczyk.doesntexist.com - To unsubscribe from this list: send the line "unsubscribe linux-newbie" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.linux-learn.org/faqs