[ClusterLabs] design question to DRBD

[Klaus Wenninger]

On 06/22/2016 11:17 PM, Lentes, Bernd wrote:

>
> -------- Ursprüngliche Nachricht --------
> Von: Dimitri Maziuk <dmaziuk at bmrb.wisc.edu>
> Datum: 22.06.2016 21:23 (GMT+01:00)
> An: users at clusterlabs.org
> Betreff: Re: [ClusterLabs] design question to DRBD
>
> On 06/22/2016 02:13 PM, Lentes, Bernd wrote:
> >
>
> > I'm thinking about starting drbd and the ocfs fs by init. I don't
> see the strong need having it controlled by pacemaker.
> > But of course the mix is more difficult to maintain.
>
> Are you going to use active-active drbd with a cluster filesystem?
> Otherwise it'll be mounted on one node only and you can't run your
> webapp on the other as documentroot etc. are not available 
>
> I'm thinking about active/active. But i think active/passive with a
> non-cluster fs is less complicated.
But you will need something to control DRBD - especially in the
active/passive-case.
And the services/IPs would probably have to be pulled to the active side.
>
> Bernd
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