Re: [Xen-users] iSCSI and LVM

[Jonathan Tripathy <jonnyt@xxxxxxxxxxx>]

On 14/06/10 23:15, jpp@xxxxxxxxxxxxxxxxxx wrote:
>    
> > What is generally used in industry? At max capacity, my setup will hold
> > up to 672 DomUs spread over 6 Xen hosts (And 3 RAID10 arrays on a single
> > storage server), so clearly management is a big concern. This is where I
> > feel that LVM/iSCSI based access is easier?
> >
> >      
> Hello,
>
> I doubt that a single storage server should be able to "feed" so many
> VMs, even if they are not IO hungry, the network bandwidth would be very
> high and you will have to use very high speed network devices and
> routers/switches and a big SAN with many high speed links.
>
> Regards
>
> JPP
>
>
>    
Well each VM on the low package was going to be limited to 1Mbp/s max, 
and the total setup would be connected to a 100Mbp/s connection. Of 
course, I could always ditch the idea of the low package and just offer 
the 2nd and 3rd packages (168 and 84 VMs respectively). You really think 
that there would be a big bottleneck will the low package (672 VMs)? 
Even with 3 RAID10 arrays covering them?
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