Hi, On Thu, Feb 09, 2012 at 01:41:33PM +0100, Eberhard Kuemmerle wrote: > Hi, > > my nfsserver resource is configured like that: > > primitive nfs ocf:heartbeat:nfsserver \ > params nfs_shared_infodir="/server/nfs_infodir" > > With older kernels, the bind mount produced by ocf:heartbeat:nfsserver > and the mount of the base filesystem looked like that in /etc/mtab: > > /dev/mapper/server on /server type ext4 > (rw,relatime,user_xattr,acl,barrier=1,data=ordered) > /server/nfs_infodir on /var/lib/nfs type none ... > > and the is_bound function in ocf:heartbeat:nfsserver worked fine. > But with newer kernels (now I use Opensuse 12.1, kernel 3.1.9) the > mounts look like that: > > /dev/mapper/server on /server type ext4 > (rw,relatime,user_xattr,acl,barrier=1,data=ordered) > /dev/mapper/server on /var/lib/nfs type ext4 > (rw,relatime,user_xattr,acl,barrier=1,data=ordered) > > and the is_bound function cannot identify it's mount.
So, the mount format changed. Is that caused by the new kernel version or the new version of the mount command? > More information can be found in /proc/self/mountinfo: > > / /server rw,relatime - ext4 /dev/mapper/server > rw,user_xattr,acl,barrier=1,data=ordered > /nfs_infodir /var/lib/nfs rw,relatime - ext4 /dev/mapper/server > rw,user_xattr,acl,barrier=1,data=ordered > > Here, it is visible that only the subdirectory nfs_infodir is mounted on > /var/lib/nfs. > Perhaps, that information should be used in is_bound. Yes, looks like that should be safe to do. Anybody with a patch? Cheers, Dejan P.S. Moving the discussion to linux-ha-dev. > Regards, > Eberhard > > > ------------------------------------------------------------------------------- > ------------------------------------------------------------------------------- > Forschungszentrum Juelich GmbH > 52425 Juelich > Sitz der Gesellschaft: Juelich > Eingetragen im Handelsregister des Amtsgerichts Dueren Nr. HR B 3498 > Vorsitzender des Aufsichtsrats: MinDir Dr. Karl Eugen Huthmacher > Geschaeftsfuehrung: Prof. Dr. Achim Bachem (Vorsitzender), > Karsten Beneke (stellv. Vorsitzender), Prof. Dr.-Ing. Harald Bolt, > Prof. Dr. Sebastian M. Schmidt > ------------------------------------------------------------------------------- > ------------------------------------------------------------------------------- > > Kennen Sie schon unsere app? http://www.fz-juelich.de/app > > _______________________________________________ > Pacemaker mailing list: Pacemaker@oss.clusterlabs.org > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: http://bugs.clusterlabs.org _______________________________________________ Pacemaker mailing list: Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org
