[Pacemaker] Clustering of Two virtual machines hosted on different physical servers

[ecfgijn]

Hi ,

I am  configuring   active/active clustering of two  centos-6.2 virtual 
machines. I am using gfs2 filesystem as common storage on both the 
VM's.   We need rpm pacakages namd "dlm and kernel-module-extra"  for 
active/active clustering as per documentation.

Any idea how can i get these packages for centos-6.2 so that i configure 
the active /active clustering using gfs2.

Is there any documentation on the web for pacemaker  in centos-6.2 ?

Thanx in advance!!!!!!!

Regards
Pradeep Kumar




On 09/06/2012 12:34 PM, ecfgijn wrote:
> Hi ,
>
> Thx , below mentioned problem has been solved , but when i try to 
> configure Active/Active clustering in  centos-6.2 using gfs2 file 
> system but i stuck in installing
> dlm and kernel-module-extra, i have done lot of googling  but no 
> luck!! , Any idea how to install same. Is there any documentation of 
> pacemaker for centos-6.2
>
>
> Regards
> Pradeep Kumar
> (7838300586)
>
>
> On 09/05/2012 10:46 AM, Michael Schwartzkopff wrote:
>>> Hi All ,
>>>
>>> I am trying to configure clustering of two virtual machines( Centos-6.2
>>> ,KVM hypervisor). Both the machines are running on different VLAN's i.e
>>> both machines have different gateway.
>>>
>>> My  doubt : Is it necessary that both the VM's should be on the same
>>> VLAN and should have same gateway ? to configure clustering. If it is
>>> not , then what changes need to be done on VMs so that we can do the
>>> clustering.
>> corosync uses multicast paket. so be sure that multicast traffic get 
>> routed
>> correctly between your networks. As an alternative you could use udp 
>> unicast
>> as a transort. Please see man corosync.conf the the unicast option.
>>
>>> when i run the below command on both VMs , then i get output
>>>
>>> [root at node1 ~]# corosync-cfgtool -s
>>> Printing ring status.
>>> Local node ID 16777343
>>> RING ID 0
>>>    id    = 127.0.0.1
>>> status    = ring 0 active with no faults
>>>
>>> As per the the documentation , i should get static ip address 
>>> instead of
>>> the localhost address , same is happening on both VMs , Can you guys
>>> suggests what can be done so that my both nodes join the cluster.
>> configure corosync correctly. Than it will find your interface.
>>
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