[Linux-cluster] Re: CS4 behavior on killall -9 (Lon Hohberger)

Lon Hohberger lhh at redhat.com
Wed Mar 15 18:23:23 UTC 2006


On Wed, 2006-03-15 at 08:33 +0100, Alain Moulle wrote:
> On Mon, 2006-03-13 at 11:38 +0100, Alain Moulle wrote:
> 
> >>>> Hi
> >>>> On a HA pair in mutual takeover, it seems that if we do a "killall -9" on >one
> >>>> node, there is no failover, the CS4 seems to be stalled .
> >>>> Any reason ? idea ?
> 
> >>Killall -9 on what specifically...?
> That's a killall so ... nothing specifically, but all ...
> Just to simulate sort of system hang ...
> Did someone has give it a try ?

On RHCS4, you probably won't get much of the desired result here.

CMAN (which manages membership transitions, among other things) runs in
the kernel.  I'm not sure (off the top of my head) that sending one of
the kernel threads a SIGKILL actually has any guaranteed effect...

-- Lon




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