Re: [Pacemaker] Question: 2 node cluster in two datacenters - how to avoid split brain

2011-11-10 Thread Senftleben, Stefan (itsc)
@oss.clusterlabs.org Betreff: Re: [Pacemaker] Question: 2 node cluster in two datacenters - how to avoid split brain On 11/10/2011 10:21 AM, Senftleben, Stefan (itsc) wrote: > Hello, > > first of all I want to say hello all recipients of the pacemaker > mailinglist! > > I manage a two n

Re: [Pacemaker] Question: 2 node cluster in two datacenters - how to avoid split brain

2011-11-10 Thread Andreas Kurz
On 11/10/2011 10:21 AM, Senftleben, Stefan (itsc) wrote: > Hello, > > first of all I want to say hello all recipients of the pacemaker > mailinglist! > > I manage a two node active-passive cluster with an ms-drbd-resource and > a depending resource. > Each node is located in a separate datacent

Re: [Pacemaker] Question: 2 node cluster in two datacenters - how to avoid split brain

2011-11-10 Thread Michael Schwartzkopff
> Thanks, > what is your opinion to this: > I configure a third node and let the quorum votes decide which node is > active? > > Regards > Stefan You would need a third host in a third datacenter and two independent links to the other both datacenters. So I doubt this will work in your case if y

Re: [Pacemaker] Question: 2 node cluster in two datacenters - how to avoid split brain

2011-11-10 Thread Senftleben, Stefan (itsc)
cluster resource manager Betreff: Re: [Pacemaker] Question: 2 node cluster in two datacenters - how to avoid split brain > Hello, > > first of all I want to say hello all recipients of the pacemaker > mailinglist! > > I manage a two node active-passive cluster with an ms-d

Re: [Pacemaker] Question: 2 node cluster in two datacenters - how to avoid split brain

2011-11-10 Thread Michael Schwartzkopff
> Hello, > > first of all I want to say hello all recipients of the pacemaker > mailinglist! > > I manage a two node active-passive cluster with an ms-drbd-resource and a > depending resource. Each node is located in a separate datacenter, > connected by a single dwdm-connection, a second network

[Pacemaker] Question: 2 node cluster in two datacenters - how to avoid split brain

2011-11-10 Thread Senftleben, Stefan (itsc)
Hello, first of all I want to say hello all recipients of the pacemaker mailinglist! I manage a two node active-passive cluster with an ms-drbd-resource and a depending resource. Each node is located in a separate datacenter, connected by a single dwdm-connection, a second network connection is