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From Jason Davis <scr...@gmail.com>
Subject Re: best supported hypervisor
Date Thu, 10 Jan 2013 17:07:53 GMT
Agreed... I'm sure folks are doing production workloads on KVM but for me
personally I'd much prefer VMWare or XS/XCP as both are "battle hardened".


On Thu, Jan 10, 2013 at 11:05 AM, Alex Huang <Alex.Huang@citrix.com> wrote:

> That's interesting.  I was thinking about this on the way to work.
>  There's really two aspects to the question.
>
> What I answered was really how well CloudStack supports a hypervisor.  How
> production ready is the hypervisor itself is really something we need
> feedback on like this one from Kraig.
>
> I would imagine hypervisor production readiness ranking would be VmWare,
> XS, KVM.
>
> --Alex
>
> > -----Original Message-----
> > From: Kraig Amador [mailto:kamador@shopzilla.com]
> > Sent: Thursday, January 10, 2013 8:49 AM
> > To: cloudstack-users@incubator.apache.org
> > Subject: Re: best supported hypervisor
> >
> > One more opinion on the topic,
> >
> > We have been using KVM for a few months now but we are noticing some
> > severe disk io performance issues that we have been unable to tune our
> way
> > out of. We have tested Xen and seen 5x improvements on the same
> > hardware. I've spoken to other people who have had the same problem
> > when using local disk on KVM, so its something you should look out for
> if disk
> > performance is a concern.
> >
> > It is so drastic for us that we are considering rebuilding all of our
> 50+ VM
> > hosts on Xen.
> >
> > --
> > Kraig Amador
> >
> >
> > On Thursday, January 10, 2013 at 5:22 AM, Alex Huang wrote:
> >
> > > Nux,
> > >
> > > I would say XenServer is the best supported hypervisor with KVM rapidly
> > catching up. This is mainly because I've known quite a few XS production
> > deployments.
> > >
> > > You'll find a lot of community members are on KVM and since it's been
> > open to apache, there's been a lot of contribution in KVM in terms of
> > bringing it up to date with the latest Ubuntu release etc and software
> > features. I think if you're looking for the latest advances in
> technology, KVM
> > is probably even earlier than XS.
> > >
> > > I don't think you'll go wrong with either hypervisor.
> > >
> > > As for SDN in your other thread, I will let Hugo speak to Nicira's
> readiness.
> > There's also a desire to bring OVS to production level in the near
> future.
> > >
> > > --Alex
> > >
> > > > -----Original Message-----
> > > > From: Nux! [mailto:nux@li.nux.ro]
> > > > Sent: Thursday, January 10, 2013 1:44 AM
> > > > To: cloudstack-users@incubator.apache.org (mailto:cloudstack-
> > users@incubator.apache.org)
> > > > Subject: Re: best supported hypervisor
> > > >
> > > > On 10.01.2013 03:50, Mathias Mullins wrote:
> > > > > Nux,
> > > > >
> > > > > What your use case? Are you trying a pay for hypervisor, or
> > > > > OpenSource? What are the top 5 features you are looking for?
> > > > >
> > > > > That makes a difference in the question.
> > > > >
> > > > > Matt
> > > >
> > > > Hello Mathias,
> > > >
> > > > I prefer open source, kvm+libvirt whenever possible; I have worked
> with
> > > > xen/xenserver before though and I could give it a try once again if
> it
> > > > checks all the boxes.
> > > >
> > > > At the end of the day I want a solution that is reliable; to be
> honest
> > > > I almost went with Openstack in production, but there're some
> > > > show-stoppers for me, like 1:1 NAT which simply does not work for
> > > > everyone no matter how excited they get about it.
> > > >
> > > > So what I'm hoping from cloudstack is:
> > > > - able to assign public IPs to VMs
> > > > - not trap me in the 4094 vlan limit (hence the need for gre or smth
> > > > else)
> > > > - ipv6 (i understand this is coming in 4.1)
> > > > - decent upgradability, so next `yum update` won't make the wheels
> fall
> > > > off
> > > >
> > > > Of course, now that I've been reading/watching stuff about
> Cloudstack I
> > > > discovered all sorts of nice stuff that I want, like multiple types
> of
> > > > primary storage etc.
> > > >
> > > > Any pointers?
> > > >
> > > > --
> > > > Sent from the Delta quadrant using Borg technology!
> > > >
> > > > Nux!
> > > > www.nux.ro (http://www.nux.ro)
> > > >
> > >
> > >
> > >
> >
>
>

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