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Re: [Xen-users] XCP, NFS for storage and bonded NICs

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Subject: Re: [Xen-users] XCP, NFS for storage and bonded NICs
From: Bart Coninckx <bart.coninckx@xxxxxxxxxx>
Date: Mon, 1 Nov 2010 10:08:51 +0100
Cc: Craig Miskell <craig.miskell@xxxxxxxxxx>
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On Monday 01 November 2010 00:30:52 Craig Miskell wrote:
> Hi,
>       Is it possible to gain any speed advantage out of bonded NICs at the XCP
> host end, when accessing a single NFS Storage Repository?
> As I understand most bonding mechanisms, they use MAC addresses, or at best
> IP addresses and port numbers, as input to the hash to decide which link
> to use for a given packet.  Which means that all traffic between a given
> host and the NFS server will hash to the same value every time, and go
> over just one link.
> Have I some obvious (or not so obvious) trickery or options?
> Thanks,
> > Why do I have to justify a system change to someone who is
> > barely aware that "their" computer doesn't contain a magic elf
> > who can draw pictures very fast and in reverse?
> Because they're the ones holding the check-signing pen.
> - Satya P, on A.S.R
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Somebody correct me if I'm wrong but if you use the same switch to get to the 
NFS server, you need to pick the 802.3ad bonding and see to it that your 
switch supports it.


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