[ClusterLabs] Antw: Re: meatware stonith

[Kristoffer Grönlund]

On Thu, 2018-09-27 at 02:49 -0400, Digimer wrote:
> On 2018-09-27 01:54 AM, Ulrich Windl wrote:
> > > > > Digimer <lists at alteeve.ca> schrieb am 26.09.2018 um 18:29 in
> > > > > Nachricht
> > 
> > <1c70b5e2-ea8e-8cbe-3d83-e207ca47ba95 at alteeve.ca>:
> > > On 2018-09-26 11:11 AM, Patrick Whitney wrote:
> > > > Hey everyone,
> > > > 
> > > > I'm doing some pacemaker/corosync/dlm/clvm testing.  I'm
> > > > without a power
> > > > fencing solution at the moment, so I wanted to utilize
> > > > meatware, but it
> > > > doesn't show when I list available stonith devices (pcs stonith
> > > > list).
> > > > 
> > > > I do seem to have it on the system, as cluster-glue is
> > > > installed, and I
> > > > see meatware.so and meatclient on the system, and I also see
> > > > meatware
> > > > listed when running the command 'stonith -L' 
> > > > 
> > > > Can anyone guide me as to how to create a stonith meatware
> > > > resource
> > > > using pcs? 
> > > > 
> > > > Best,
> > > > -Pat
> > > 
> > > The "fence_manual" agent was removed after EL5 days, a loooong
> > > time ago,
> > > because it so often led to split-brains because of misuse. Manual
> > > fencing is NOT recommended.
> > > 
> > > There are new options, like SBD (storage-based death) if you have
> > > a
> > > watchdog timer.
> > 
> > And even if you do not ;-)
> 
> I've not used SBD. How, without a watchdog timer, can you be sure the
> target node is dead?

You can't. You can use the Linux softdog module though, but since it is
a pure software solution it is limited and not ideal.

> 
-- 

Cheers,
Kristoffer