[ClusterLabs] start one node only?

[Ken Gaillot]

On Thu, 2017-08-24 at 15:53 -0500, Dimitri Maziuk wrote:
> On 08/24/2017 03:40 PM, Ken Gaillot wrote:
> 
> > You could set wait_for_all to 0 in corosync.conf, then boot. The living
> > node should try to fence the other one, and proceed if fencing succeeds.
> 
> Didn't I just read a thread that says it won't: the other node is
> already down?

How could it know that, from a cold boot? It doesn't know if the other
node is down, or up but unreachable. wait_for_all is how to keep that
fencing from happening at every cluster start, but the trade-off is you
can't cold-boot a partial cluster.
-- 
Ken Gaillot <kgaillot at redhat.com>