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

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Subject: Re: [Xen-users] best setup for live failover
From: Donny Brooks <dbrooks@xxxxxxxxxxxxxxxx>
Date: Tue, 10 Aug 2010 13:53:07 -0500
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 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. 
Donny B. 
On Tuesday, August 10, 2010 01:43 PM CDT, Donny Brooks 
<dbrooks@xxxxxxxxxxxxxxxx> wrote: 
> 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.
> -- 
> Donny B.
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