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Re: [Xen-users] best setup for live failover

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] best setup for live failover
From: Donny Brooks <dbrooks@xxxxxxxxxxxxxxxx>
Date: Tue, 10 Aug 2010 15:44:43 -0500
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 Well the disk box we are looking at is the Dell MD3000i so iscsi is an option. 
Does xen handle that better than other protocols? I am kinda new to the whole 
shared network disk stuff.
 
 
-- 
 
Donny B. 
 
On Tuesday, August 10, 2010 03:04 PM CDT, Bart Coninckx 
<bart.coninckx@xxxxxxxxxx> wrote: 
 
> On Tuesday 10 August 2010 20:53:07 Donny Brooks wrote:
> >  Also let me explain my planned roadmap. Instead of buying huge Dell T710
> >  style servers with cpu, ram, and disks, from this point on I would like to
> >  just have a NAS or two and then have some small 1U server that have the
> >  cpu and ram to run the guests on. That is the main reason for the live
> >  failover.
> > 
> > > I am about to get a few extra servers and hopefully a NAS for here at
> > > work. Currently all of our VM's are on one host that has a raid6 with
> > > approx 12TB usable. The way I would like to set things up is to where the
> > > disk images (we use lvm partitions for guest disks) sit on the NAS and
> > > use something like DRBD or similar to allow live failover. We are using
> > > Xen 4.0 on a Centos 5.5 Dom0 if that matters.
> > >
> > > So how would you recommend setting up the system to allow shared storage
> > > (NAS) with live failover using lv disks? I wouldn't need to failover
> > > every guest, just the primary ones like mail, web, ldap. Thanks for any
> > > input.
> > 
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users
> > 
> 
> For DRBD you need a something to do the DRBD and you would need two NAS 
> boxes. 
> How about using your NAS as an iSCSI box?
> 
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> http://lists.xensource.com/xen-users
 
 


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