Date: Mon, 29 May 2006 17:43:28 -0700 From: Paul Allen <nospam@ugcs.caltech.edu> To: Scott Long <scottl@samsco.org> Cc: gallatin@freebsd.org, "current@freebsd.org" <current@freebsd.org> Subject: Re: Importing iSCSI target from NetBSD Message-ID: <20060530004328.GF28128@groat.ugcs.caltech.edu> In-Reply-To: <447B8900.4050603@samsco.org> References: <447AB34C.4030509@sippysoft.com> <11410450515.20060529225555@lacave.net> <447B77AF.9060309@samsco.org> <447B7A55.7040704@FreeBSD.org> <447B7CB7.5000000@FreeBSD.org> <447B8900.4050603@samsco.org>
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>From Scott Long <scottl@samsco.org>, Mon, May 29, 2006 at 05:51:28PM -0600:
> >P.S. Just to make it clear - just consider running iSCSI over 100MBps
> >link or even a slower WAN links, which I think covers very large market
> >for this technology now. Performance constrain imposed by running in
> >userland is unlikely to be an issue at all.
> >
> >-Maxim
>
> Every company and group that I've talked to about iSCSI is worried about
> performance. In any case, please follow the lead of Mr. Senault and
> look at making this a port.
>
> Scott
And in particular the anticipation of low(er) cost 10Gb Ethernet is a
driving factor behind iSCSI.
AFAIK, the low-latency performer in this field (for NICs) is from Myricom.
Andrew Gallatin (one of the FreeBSD alpha committers) was responsible for
porting the myrinet drivers, so perhaps he can comment as to whether FreeBSD
will be getting a driver for their 10GbE cards. Ethernet at these speeds is
real stress-test for many OSs; it should be interesting to see how FreeBSD
holds-up.
Paul
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