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Re: [Linux-cluster] Linux-cluster Digest, Vol 120, Issue 5



Hello all, 
    What about ovirt? visit ovirt.org

Good weekend...


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-------- Mensaje original --------
De: linux-cluster-request redhat com
Fecha: 18/04/2014 18:00 (GMT+01:00)
Para: linux-cluster redhat com
Asunto: Linux-cluster Digest, Vol 120, Issue 5


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Today's Topics:

   1. Re: KVM availability groups (Pavel Herrmann)


----------------------------------------------------------------------

Message: 1
Date: Thu, 17 Apr 2014 21:16:22 +0200
From: Pavel Herrmann <morpheus ibis gmail com>
To: linux-cluster redhat com
Cc: "Henley, David \(Solutions Architect Chicago\)"
<david l henley hp com>
Subject: Re: [Linux-cluster] KVM availability groups
Message-ID: <2179081 39Bc0pasea bloomfield>
Content-Type: text/plain; charset="us-ascii"

Hi,

I am not an expert in this, but as far as i understand it works like this

On Thursday 17 of April 2014 13:20:11 Henley, David wrote:
> I have 8 to 10 Rack mount Servers running Red Hat KVM.
> I need to create 2 availability zones and a backup zone.
>
>
> 1.       What tools do you use to create these? Is it always scripted or is
> there an open source interface similar to say Vcenter.

There are vcenter-like interfaces, but I'm not sure how they handle HA, have a
look at ganeti and/or openstack

this list is rather more concerned about the low level workings of clustered
systems, with tools such as cman or pacemaker (depending on your OS version, I
think all current RHEL versions use cman) to monitor and manage availability
of your services (a VM is a service in this context), and corosync to keep
your cluster in a consistent state.

if you are looking for a vsphere replacement, you might have better luck with
openstack than tinkering with linux clustering directly, in my opinion.


> 2.       Are there KVM tools that monitor the zones?

You would probably use libvirt interface to manipulate with your KVM instances

regards,
Pavel Herrmann



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