Re: [Xen-users] Which distro to use for Dom0

[Donny Brooks <dbrooks@xxxxxxxxxxxxxxxx>]

On 1/12/2011 11:35 AM, Digimer wrote:
> On 01/12/2011 12:12 PM, Donny Brooks wrote:
> > On 1/12/2011 11:06 AM, Donny Brooks wrote:
> > > On 1/12/2011 10:59 AM, Digimer wrote:
> > > > On 01/12/2011 11:55 AM, Donny Brooks wrote:
> > > > > I am not worried about the xen version really. I have 4.0 on centos
> > > > > currently from the third party repo. I mainly need whatever supports
> > > > > the
> > > > > best live/auto migration. Basically if I have a server fail I need
> > > > > whatever was running on it to switch to the backup server
> > > > > "automagically".
> > > > >
> > > > > Food for thought: What would be the difference in the above support
> > > > > between Ubuntu/Debian and Fedora 14?
> > > > Automatic VM migration in a failure would best be achieved with a 2-node
> > > > cluster. Fedora 14 would be best there, as I believe most of the
> > > > developers of Pacemaker and RHCS use Fedora/RHEL. At the least, it's
> > > > pretty RPM-centric, then gets ported to .deb's.
> > > >
> > > > That in and of itself is not always the best argument though. It was
> > > > enough to make me switch from Debian/Ubuntu to RHEL (CentOS)/Fedora
> > > > though.
> > > Thanks for the input. Currently we do not have any form of auto
> > > failover so that is a must moving forward. So is pacemaker the best
> > > way to provide auto failover with xen 4.0?
> > >
> > > _______________________________________________
> > > Xen-users mailing list
> > > Xen-users@xxxxxxxxxxxxxxxxxxx
> > > http://lists.xensource.com/xen-users
> > Also, where would XCP come into play with this? Is it something I should
> > consider?
> I don't use XCP, so I can't comment on that.
>
> As for clustering; Pacemaker will be the main clustered resource manager
> going forward (rgmanager from RHCS is now being migrated away). I've
> just started this move myself, but I do think that there are well tested
> Xen OCF scripts for managing Xen VMs.
>
> The setup you will want to look at is:
> - RHEL 6 (Fedora 14/CentOS 6)
> - Corosync + Pacemaker (cluster core + resource manager)
> - Fencing (aka Stonith) device (IPMI, PDU, etc)
> - DRBD if you don't have/want a SAN
> - qdisk for proper quorum support
Thanks for that. So far I am leaning toward Fedora 14. The Centos cycle 
is too long and usually has packages that are way out of the range I 
need (for instance OpenLDAP on my Centos 5.5 is way too old to enable 
the ppolicy stuff I need even though the release is not that old). I 
will look into the other software now.
What about a web based administration or domu creation? Are there any 
that work well with Xen and both paravirt/full-virt domu's?

Donny B.


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