Re: [SLUG] channel bonding

From: John Pugh (jpugh@novell.com)
Date: Wed Mar 29 2006 - 12:58:04 EST


>>> On Wed, Mar 29, 2006 at 12:05 PM, in message
<1143651900.7515.13.camel@it001.wackyworld.lan>, mike@wackyworld.tv
wrote:
> Hello all!
>
> Anybody else here have experience with channel bonding? I've been
using
> a proprietary solution provided by Intel called IANS (Intel Advanced
> Networking Services) up until this last series of server OS
upgrades.
> This has worked for load balancing and failover of NIC's. I'm now
using
> the 2.6 kernel and Intel says that they are no longer upgrading IANS
to
> support the 2.6 module format, etc. and are now in favor of native
> kernel channel bonding. My switch is managed with bonding/port
trunking
> capabilities and they are enabled. Everything was fine with IANS
but
> the new channel bonding is giving me trouble.
>
> Originally when I did the upgrade everything seemed fine with
netperf
> and iptraf. NFS works perfect and since most of what I do on the
back
> end uses NFS, I didn't notice the netatalk and samba speed problems
> right away. smb and afp services are running at a tenth of the
speed
> they were before. It seems (from googling) that the native kernel
> channel bonding creates conflicts with samba/smb and afp services.
> Anybody have any input on this? I'm still googling but it's like
> looking for a needle in a hay stack.
>

This helped me a lot.. http://linux-net.osdl.org/index.php/Bonding

I'd take a look with ethereal on both channels...it quickly uncovered
an inadvertant routing issue I created.
I'm not using netatalk, but samba continues to run as good as it can
considering it's smb.

JP
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