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xen-users
RE: [Xen-users] iSCSI vs NFS
> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-users-
> bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Andy Pace
> Sent: Monday, February 01, 2010 11:57 PM
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-users] iSCSI vs NFS
>
> What are the pro's and cons to each? From my research, iSCSI seems the
way to go
> here, but all the SAN/NAS vendor's I've spoken with live and die
*NFS*, which I've had
> some serious issues with in the past in so far as scalability and
performance...
Those don't have to be mutually exclusive. From block storage you can
easily carve out some filesystems that you export as NFS. And if you
really do have hundreds of VM's, I doubt you're going to do this on a
single SAN appliance unless I/O is *really* light.
For what it's worth, my money's on AoE rather than iSCSI. Fast, simple,
extremely easy to setup and manage. I prefer to run the block protocols
on dom0 hosts and export the block devices to domU's (phy:). Tests show
this yields better throughput.
-Jeff
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