This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
Home Products Support Community News


RE: [Xen-users] remus vs. pacemaker/drbd?

To: "Donny Brooks" <dbrooks@xxxxxxxxxxxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-users] remus vs. pacemaker/drbd?
From: "Petrescu, Florin" <fpetrescu@xxxxxxxxxxxxxxxx>
Date: Tue, 7 Sep 2010 15:57:43 -0500
Delivery-date: Tue, 07 Sep 2010 14:00:12 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <20b1-4c868c00-41-45ffaa00@77439241>
List-help: <mailto:xen-users-request@lists.xensource.com?subject=help>
List-id: Xen user discussion <xen-users.lists.xensource.com>
List-post: <mailto:xen-users@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=unsubscribe>
References: 4C866C82.4070109@xxxxxxxxxxxxxxxx <20b1-4c868c00-41-45ffaa00@77439241>
Sender: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: ActOv48cV+wfOGWWRwGQrT8qFQkG5QADvdqA
Thread-topic: [Xen-users] remus vs. pacemaker/drbd?
I am also interested in a "how-to" for Remus on Xen 3.4.2 / CentOS 5.5
for Dom0. (RPMs from http://www.gitco.de/repo/GITCO-XEN3.4.2_x86_64.repo

Any info or directions will be highly appreciated.


-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Donny Brooks
Sent: Tuesday, September 07, 2010 2:02 PM
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] remus vs. pacemaker/drbd?

 I too would like to hear from anyone that has xen and remus in a
production environment.
Donny B. 
On Tuesday, September 07, 2010 11:46 AM CDT, Miles Fidelman
<mfidelman@xxxxxxxxxxxxxxxx> wrote: 
> Greg Woods wrote:
> > On Tue, 2010-09-07 at 09:28 -0600, Nick Couchman wrote:
> >    
> >> Pacemaker/DRBD, on the other hand, just synchronizes the data,
> >> and if it detects that one of the domUs has died, starts it up
somewhere else.
> >>   So, with Remus, the theory/goal is 0 downtime of your domU,
whereas Pacemaker
> >> simply minimizes downtime to a certain point - the time it takes to
detect failure
> >>   and boot the new domU.
> >>      
> > Actually, pacemaker can do live migrations with some limitations. If
> >
> > I have no experience with Remus, but from Nick's description of it,
> > sounds like Remus might be a whole lot easier to set up and may be a
> > good way to go if all you care about is failover for your domU's, or
> > you really need instantaneous failover in the event of a server
> >    
> All of this is well and good, but not to the point.
> I'm using pacemaker and DRBD.  It works.  it's just a pain.
> Has anybody on this list actually used Remus in production?  Is it
> for prime time?  Or is it still beta (or alpha)?
> Miles
> -- 
> In theory, there is no difference between theory and practice.
> In<fnord>  practice, there is.   .... Yogi Berra
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users

Xen-users mailing list
The materials in this message are private and may contain Protected Healthcare 
Information. If you are not the intended recipient, be advised that any 
unauthorized use, disclosure, copying or the taking of any action in reliance 
on the contents of this information is strictly prohibited. If you have 
received this email in error, please immediately notify the sender via 
telephone or return mail.

Xen-users mailing list

<Prev in Thread] Current Thread [Next in Thread>