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Re: [zfs-discuss] Performance issues with iSCSI under Linux

Subject: Re: [zfs-discuss] Performance issues with iSCSI under Linux
From: Ian D
Date: Thu, 14 Oct 2010 10:08:27 PDT
> Sounding more and more like a networking issue - are
> the network cards set up in an aggregate? I had some
> similar issues on GbE where there was a mismatch
> between the aggregate settings on the switches and
> the LACP settings on the server. Basically the
> network was wasting a ton of time trying to
> renegotiate the LACP settings and slowing everything
> down.
> 
> Ditto for the Linux networking - single port or
> aggregated dual port?

We're only using one port on both boxes (we never have been able to saturate 
them yet), but maybe they are somehow set wrong.  We'll investigate.
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