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Re: [Xen-users] Re: preferred XEN dom0 OS

  • To: Grant McWilliams <grantmasterflash@xxxxxxxxx>
  • From: Rudi Ahlers <Rudi@xxxxxxxxxxx>
  • Date: Wed, 24 Aug 2011 14:01:42 +0200
  • Cc: Xen User-List <xen-users@xxxxxxxxxxxxxxxxxxx>, "Fajar A. Nugraha" <list@xxxxxxxxx>
  • Delivery-date: Wed, 24 Aug 2011 05:04:30 -0700
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On Wed, Aug 24, 2011 at 1:15 PM, Grant McWilliams
<grantmasterflash@xxxxxxxxx> wrote:
>> > My problem with CentOS is that CentOS 6 (rather RH6) doesn't have
>> > native XEN anymore so our upgrade path looks a bit uncertain right
>> > now.
> Upgrade? It's a Dom0, nothing is running on it but VMs correct? Are there
> features that you need that CentOS5.6 doesn't have? CentOS 5.6 will run
> CentOS 6 DomU's just fine. It seems that people think they're dead in the
> water if their Dom0 isn't running the latest OS. The Dom0 runs VMs and
> manages networks. It really shouldn't be doing more than that IMHO.

Even if it just runs VM's, we still need to keep the host OS up to
date for security reasons, to have newer XEN features, etc etc.

>> There are other differences as well (e.g. the userland program is
>> different, "xe" instead of "xm")
> And the fact that you're then running a Citrix cloud instead of separate Xen
> hypervisors on separate hosts. I'm migrating 60 servers to XCP (or at least
> doing the study) right now. Virtually everything is different outside of the
> base Dom0 OS and the Hypervisor. I will be writing up a bunch of new scripts
> because the xe command begs to be scripted even more than the xm command
> did. Managing remote logins will be handled by XVP for me.

What are you migrating from, as matter of interest?

CloudMin makes our current setup a XEN cloud, instead of a Citrix
cloud, but it's basically the same thing already :)

>> I don't think webmin/cloudmin will work on XenServer/XCP

CloudMin can manage XenServer hosts, but not XCP, that I know of.

>> --
>> Fajar
> Grant McWilliams

Kind Regards
Rudi Ahlers

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