On Thu, Nov 04, 2004 at 01:25:14AM +0100, Martin B?hr wrote: > > is this the right place to ask for help with colo too? > is it possible to construct a colo setup where colo boots an alternative > kernel if the selected one fails? > > i'd like to do something like this: > -execute > onfail 1f > > @lcd 'loading backup' > ... >
No, this would only load the backup if the first kernel is not a valid ELF image (or is too big etc). > i don't know if it is possible to have colo monitor the boot process and > abort it it fails to work. this would be nice for remote kernel upgrades > I can't think of any way to do it, sorry. You really want some kind of watchdog functionality in the kernel. P.

