[9363] in linux-scsi channel archive
Re: shared SCSI buses
daemon@ATHENA.MIT.EDU (Mark Veteikis)
Fri Aug 11 10:37:56 2000
From: Mark Veteikis <mark@iphase.com>
Message-Id: <200008111435.JAA22792@sw10.Iphase.COM>
To: teigland@sistina.com (David Teigland)
Date: Fri, 11 Aug 2000 09:35:19 -0500 (CDT)
Cc: linux-scsi@vger.rutgers.edu, gfs-devel@sistina.com
In-Reply-To: <20000810193350.D15057@sistina.com> from "David Teigland" at Aug 10, 2000 07:33:50 PM
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>
>
> I'm interested in combining two or more active hosts with multiple devices on a
> single parallel SCSI bus. I've successfully done this, but don't know the
> extent of problems which could arise when hosts or disks are added or removed
> (crashed) on the in-use bus.
>
> A) How likely is it that the scsi driver(s) will see errors when nodes and
> drives come and go and are there specific cases which are bad?
>
> B) What are the possibilities of a node surviving if it sees scsi errors?
>
> C) How much work would it take to make all these odd cases reliable?
>
> I'm interested in the status on both 2.2 and 2.4.
> Thanks.
Have you looked at Fibre Channel? Linux has support. Or are your
target devices/HBAs locked into SCSI?
--
Mark Veteikis mark@iphase.com 1-214-654-5257
Interphase Corp. 13800 Senlac Dallas Tx. 75234
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