On Mon, Jun 9, 2008 at 6:30 PM, Jon Peatfield <[log in to unmask]> wrote: > On Mon, 9 Jun 2008, Jan Iven wrote: > >> On 06/06/08 19:03, Ken Teh wrote: >> [..] >>> >>> %post >>> ... >>> [ -d /mnt/SL ] || mkdir -p /mnt/SL >>> mount -rvt nfs server.anl.gov:/SL /mnt/SL >>> if [ $? = 0 ]; then >>> echo "server.anl.gov:/SL mounted" >>> else >>> echo "failed to mount server.anl.gov:/SL >>> exit 0 >>> fi >> >> The error message from mount, as well as the saved syslog file might have >> some clues, but perhaps you haven't installed portmap (or haven't started >> it)? You will also need nfs-utils, and I've seen recommendations to use the >> "-o nolock" mount option in %post. >> It has been ages since I 've done this but certainly in the past the mount needed both a nolock and nfsvers=2 mount -o nolock,nfsvers=2 Steve >> If this all still fails, I'd suggest to break out into a shell in the >> "fail" tree of your %post, to allow you to do some debugging. Something like >> >> chvt 6 >> /bin/bash -i </dev/tty6 >&/dev/tty6 > > Well vt 6 is where the installer X server seems to run but yes. I'm afraid > I copy openvt onto the box during %pre so things in %post (etc) can use it - > it is a cleaner tool. (note that the sl5 busybox includes an 'openvt' but > that doesn't have the useful options). > > In the %post remember that the startup scripts havn't been run so files like > resolv.conf may not have sane contents. > > We use "%post --nochroot" so we can first copy bits of state (stuff we saved > from any previous install, the ks files and logs from the install) into the > newly installed tree, and then mount a directory from which we run various > scripts in the chrooted tree: > > ... > # location of new root > NR=/mnt/sysimage > ... > ## Get dns lookups working enough to do the first mount (sigh...) > cat > $NR/etc/resolv.conf <<EOF > ..... <put your contents here> ..... > EOF > > ## Fix up nsswitch.conf so host name lookups use DNS not try to use NIS > cp $NR/etc/nsswitch.conf $NR/etc/nsswitch.conf.SL_orig > printf "/^hosts:/\ns;:.*;: files dns;\nw\nq\n" | ed $NR/etc/nsswitch.conf > > # Since we want to do NFS we need to start portmap and nfslocking (in > # case it is needed), but portmapper needs loopback starting up first! > # > /usr/bin/ifconfig lo 127.0.0.1 up > # > chroot $NR /etc/rc.d/init.d/portmap start > chroot $NR /etc/rc.d/init.d/nfslock start > > # Name lookups etc should be ok by now > chroot $NR mount -o ro,nolock $SERV $CFDIR > > ... code to run the scripts in the chroot environment ... > > chroot $NR /etc/rc.d/init.d/nfslock stop > chroot $NR /etc/rc.d/init.d/portmap stop > > cd / > chroot $NR umount $CFDIR > > > > -- > Jon Peatfield, Computer Officer, DAMTP, University of Cambridge > Mail: [log in to unmask] Web: http://www.damtp.cam.ac.uk/ > -- Steve Traylen