[Lustre-discuss] Node randomly panic

[Johann Lombardi]

On Mon, Nov 26, 2007 at 08:49:56PM +0700, Somsak Sriprayoonsakul wrote:
> Could you tell me how to dump the whole crash log to file? It's not 
> appear in /var/log/messages. I only seen it once actually. That's why I 
> don't know the function name :) But the whole screen are something 
> related to lustre for sure.

You should set up serial consoles (or netconsole). A crash dump utility
(netdump, LKCD, ...) is also very useful.

> Note that, the dump log is longer than a screen size, so taking photo 
> wouldn't help ( I think ).

If /proc/sys/kernel/panic_on_oops is set to 1 on the OSS, you could try to set
it to 0 and to log onto the node to get the stack trace via dmesg before
rebooting it.

Johann