Re: [Xen-users] best practices in using shared storage for XENVirtualMachines and auto-failover?

[Rudi Ahlers <Rudi@xxxxxxxxxxx>]

On Thu, Oct 14, 2010 at 5:37 PM, Freddie Cash <fjwcash@xxxxxxxxx> wrote:
> Trying to get this straight in my head.  :)
>
> Would you run the iSCSI initiator in the host and attach the block
> device to the guest?
> Or would you run the iSCSI initiator in the guest?
>
> How does the migration from one host machine to another work with iSCSI?
>
> --
> Freddie Cash
> fjwcash@xxxxxxxxx
>
> _______________________________________________


This is actually what I want to know as well.

I know the different technologies (AOE / iSCSI / NFS / etc) all have
different pro's & cons, but how do I actually use them optimally?

AOE seems to have less network overhead since it runs on the network
layer and not on TCP or IP, so this is probably a good option to go
for. I'm thinking of setting up a few NAS servers with CentOS + CLVM,
or maybe even a few NAS servers with Gluster and then export the file
systems from them to the XEN servers.

But, do I export it to the dom0, or the domU's directly? That I don't know.

-- 
Kind Regards
Rudi Ahlers
SoftDux

Website: http://www.SoftDux.com
Technical Blog: http://Blog.SoftDux.com
Office: 087 805 9573
Cell: 082 554 7532

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