[Pacemaker] dopd on openais

[Lars Ellenberg]

On Thu, Jun 04, 2009 at 06:58:34PM +0200, Lars Marowsky-Bree wrote:
> On 2009-05-28T22:34:06, Florian Haas <florian at linbit.com> wrote:
> 
> > Raoul,
> > 
> > No such thing currently exists. We're currently figuring out how to best
> > do this with OpenAIS. Stay tuned.
> 
> BTW, while figuring that out, you could also consider to go a step
> beyond what dopd does right now - OpenAIS gives you access to the node
> IP addresses, and dlm_controld for example uses this to figure out
> between which nodes to establish a connection.
> 
> That'd be awesome for my floating peers pet project. ;-)
>
> 
> On join of a drbd_<UUID> group, you could see who else is there and
> connect to them, and also figure out if people try to start on more than
> 2 nodes etc.

now since when do you want a dopd bypassing the crm?
to ensure that would be the crm's job, no?

> Is there a design plan/discussion one can participate in?

just give us a braindump of your wishlist here,
and I'll try to explain why you won't get the pony ;)

what we actually are doing right now is placing location constraints on
the master role into the cib from the "fence-peer" handler, and removing
them again from the "after-sync-target" handler.  sort of works. nothing
gets actually outdated, yet, but that can be hacked into the monitor action.

-- 
: Lars Ellenberg
: LINBIT | Your Way to High Availability
: DRBD/HA support and consulting http://www.linbit.com

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