RE: [Xen-users] bonding with trunking AND iscsi

[Jeff Sturm <jeff.sturm@xxxxxxxxxx>]

You can bond your NICs from the dom0 to the switch, but there's no way
to do the same for the MD3200i, as far as I am aware.  So your SAN
traffic won't really make use of link aggregation.

For our MD3200i we dedicated two switches and two NICs per host, using
multipath.  That gives us high availability and 2Gbps (theoretical)
bandwidth.  Works great.  We started with 4 NICs per host, however.

> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-users-
> bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Donny Brooks
> Sent: Wednesday, February 02, 2011 3:16 PM
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-users] bonding with trunking AND iscsi
> 
> I currently have my 3 xen servers setup to use bonding and vlan
trunking over all the
> available network cards in each server. Two of the three machines have
4 nics where
> the other has 2. Each are set to use lacp channel-protocol if that
matters. What I am
> trying to accomplish is accessing my iSCSI san (dell md3200i) without
having to drop
> out half of my nics from the bond. Should this be possible? The san is
setup to use
> vlan20 where all other traffic is on vlan2-vlan17. Has anyone done
this successfully or
> do I just need to drop out half of the nics and be done with it?
> 
> Donny B.
> 
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