Date: Fri, 14 Apr 1995 12:28:51 -0700 (PDT) From: julian@TFS.COM (Julian Elischer) To: dufault@hda.com (Peter Dufault) Cc: freebsd-hackers@FreeBSD.org, freebsd-scsi@FreeBSD.org Subject: Re: SCSI target Message-ID: <m0rzr2x-0003wfC@TFS.COM> In-Reply-To: <199504141538.LAA00581@hda.com> from "Peter Dufault" at Apr 14, 95 11:38:55 am
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> > However, the only host adapter that supports this is the Adaptec > 1542B. The 1542C will hang the bus big time if you put it into > target mode, so I've locked it out. does the buslogic work? JORDAN? you've the busloginc manual...... > > I have little hope that most of the commercial firmware will support > this properly, so if some of our firmware crankers want to start > cranking firmware they can look at the isa/aha1542c to get a feel > for how it should act. I'll have a Acculogic board with the NCR > 825 in house for a while. I guess the NCR and 77x0 based boards would eb our best bet then.. > > The 1542 model is good, and I suggest we just use that as much as > possible. I believe the bt cards follow this model do you know if it works... (I believe you talked to them about it once) > > > Eventually I'd like to add support for reserving units on the SCSI > bus, sharing read only disk partitions, and running TCP/IP over > SCSI using target mode capable host adapters. I think that could > make for a nice little cluster. yeah.... with care, and an MTU > 4096, we should be able to shift whole pages around as well, (though that may take some work in the protocol stacks) (I was thinking of a special page-shifting protocol :) julian
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