Did you checked /proc/sys/kernel/panic /proc/sys/kernel/panic_on_oops
system variables? ----- Original Message ----- From: "David Miller" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Monday, April 02, 2007 9:01 AM Subject: [Ocfs2-users] Catatonic nodes under SLES10 > Good afternoon all; > > I'm planning on implementing a shared storage solution for a primary and > backup oracle server in the near future. > > We can't afford RAC, and we don't have performance or growth issues; we > just want another system to be able to start up and run if the primary > fails. > > > Both servers will be connected to a dual-host external RAID system. > I've setup ocfs2 on a couple of test systems and everything appears to > work fine. > > Until, that is, one of the systems loses network connectivity. > > When the systems can't talk to each other anymore, but the disk > heartbeat is still alive, the high numbered node goes catatonic. Under > SLES 9 it fenced itself off with a kernel panic; under 10 it simply > stops responding to network or console. A power cycling is required to > bring it back up. > > The desired behavior would be for the higher numbered node to lose > access to the ocfs2 file system(s). I don't really care whether it > would simply timeout ala stale NFS mounts, or immediately error like > access to non-existent files. > > > I'm running the latest SuSE packaged version of the ocfs-tools package: > > saltlake:/proc/fs # cat /proc/fs/ocfs2/version > OCFS2 1.2.1-SLES Tue Apr 25 14:46:36 PDT 2006 (build sles) > saltlake:/proc/fs # > > I'm using the stock 10.0 release kernel: > > saltlake:/proc/fs # uname -a > Linux saltlake 2.6.16.21-0.8-smp #1 SMP Mon Jul 3 18:25:39 UTC 2006 i686 > i686 i386 GNU/Linux > saltlake:/proc/fs # > > > > > > Is there a solution to this? Is this expected behavior? > > Thanks, > > --- David > > _______________________________________________ > Ocfs2-users mailing list > [email protected] > http://oss.oracle.com/mailman/listinfo/ocfs2-users > _______________________________________________ Ocfs2-users mailing list [email protected] http://oss.oracle.com/mailman/listinfo/ocfs2-users
