[CentOS-virt] Fencing question(s)
campbell at cnpapers.com
Thu Jun 21 13:01:14 EDT 2012
I've got a Centos 5.8 box that I use for testing Xen VMs. I'm trying to
setup some Centos 6.2 hosts in a high availability situation. I've tried
the pacemaker route and couldn't get the connection established, so
thought I'd try the RH-preferred methods. Mind you, all of these VMs are
on the same host.
Using Conga, it seems that I need some sort of fencing device, which
doesn't really work in a VM environment. I'm guessing it's the same with
command line configuration.
Firstly, is it really possible to set up two VMs on the same machine to
do HA? I can't see why not, but I'm not the best source of knowledge on
any of this.
Secondly, is there a useable fencing device that would work in a virtual
environment for me to test with? I'd really like to avoid fencing
altogether, even once in production, but every thing I read suggests
Any type of reply would be appreciated.
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