[Linux-cluster] Basic Active Active File Server

[Kaloyan Kovachev]

Hi,
On Mon, 21 Jun 2010 16:07:34 +0100, Jason Fitzpatrick
<jayfitzpatrick at gmail.com> wrote:
> Hi all
> 
> I am having no end of trouble getting a basic Active Active Cluster
> working. at the moment it is in test / proof of concept and has manual
> fencing in place but I cannot for the life of me get the 2 nodes to
> join to the one cluster (they both report joined in crm_tool status
> but only to a local clustered instance if that makes any sence)
> 
> I have tried to use luci and system-config-cluster to get this up and
> running and have been at it over a week, the network guys swear that
> there is nothing blocking multicast traffic between them and the
> firewalls have been disabled (they are on the same VLAN but connected
> to different switches) servers have been rebuilt and have RHEL 5.5
> installed
> 

your problem is the multicast traffic - check with tcpdump if it is
comming to the other server at all (network) and if it is, then doublecheck
the firewall.
alternatively you may try using broadcast instead of multicast

> Shared Storage is being provided by an Active Active DRBD setup
> (tested and working)
> 
> I have attached a copy of my cluster.conf
> 
> Thanks in advance
> 
> Jay
> 
> --
> 
> "The only difference between saints and sinners is that every saint
> has a past while every sinner has a future. "
> — Oscar Wilde