Date: Fri, 18 Feb 2000 20:15:58 -0500 From: Sergey Babkin <babkin@bellatlantic.net> To: Wilko Bulte <wilko@yedi.iaf.nl> Cc: David Scheidt <dscheidt@enteract.com>, Banu Ozden <ozden@research.bell-labs.com>, freebsd-hackers@FreeBSD.ORG Subject: Re: scsi target mode Message-ID: <38ADEECE.94222AB0@bellatlantic.net> References: <20000215194322.B597@yedi.iaf.nl> <Pine.NEB.3.96.1000215155542.2109A-100000@shell-1.enteract.com> <20000215233939.A6080@yedi.iaf.nl>
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Wilko Bulte wrote: > > On Tue, Feb 15, 2000 at 04:00:28PM -0600, David Scheidt wrote: > > > > Generally speaking 'joining' machines into cluster(like) you want to > > > use differential SCSI buses. > > > > Yes. Of course, I think that you want to use differential SCSI for > > everything. Cableing is much easier, and much less fussy. It costs more > > though. > > And consumes a bit more power due to all the external diff xceiver chips. > For in-cabinet single-ended or LVD works just fine. http://www.scsipro.com They make the Y-connectors. They also make the retranslators that can increase the maximal length of the cable dramatically (or at least their web site says so - did not try it myself yet). For the good and reasonably priced cables and terminators I can recommend AESP (http://www.aesp.com , http://www.tla-group.com is the reseller I bought from, had quite good experience). Personally I think that Fibre Channel may be a better choice for the clusters because of thinner cables and longer maximal length. Though it's more expensive. -SB To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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