Re: [Xen-users] lustre clustre file system and xen 3

["Christopher G. Stach II" <cgs@xxxxxxxxx>]

Karsten Nielsen wrote:
> The reason fore having a file backend is that I will be able to live
> imigrate domU's from one server to the next in case of hardware failor
> or extremly high load on one of the physical servers.

That's not a valid reason. :)  There's no requirement to use files for
that.  Use NBD and GFS or DRBD.

> If I understand you correct you suggest that I make a lot of storage
> avaliable on both application servers and syncronize data with DRBD ?
> 
> But if I add a 3. application server that setup does not work unless i
> add storage space on all three application servers and implement that in
> the DRBD ?

DRBD is better for HA.  Do you want to load balance or just failover?

-- 
Christopher G. Stach II

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