Date: Wed, 29 Sep 1999 16:29:51 +0200 From: Mattias Pantzare <pantzer@ludd.luth.se> To: Gerard Roudier <groudier@club-internet.fr> Cc: scsi@FreeBSD.ORG Subject: Re: sym driver 0.3.0 Message-ID: <199909291429.PAA03731@zed.ludd.luth.se> In-Reply-To: Message from Gerard Roudier <groudier@club-internet.fr> of "Tue, 28 Sep 1999 18:01:34 %2B0200." <Pine.LNX.3.95.990928175444.399A-100000@localhost>
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> On Tue, 28 Sep 1999, Mattias Pantzare wrote: > = > > > You test is not serious. If you only can provide 1.5MB/second throu= ghput > > > for a benchmark of SCSI driver, please go away or make comparison w= ith an > > > AHA 1542. I consider your posting to be a bad joke and hope that it= is not > > > intentionnaly just bad taste. = > > = > > Why is it not serious?? A SCSI driver has to be fast even for slow de= vices = > > even if it can drive very fast devices. It is more important to be fa= st = > > on slow devices as those are the most likly to be a problem! > > = > > 30% is a real problem, and a mixture of slow and fast devices on the = same SCSI = > > bus is common. > = > If a SCSI device behaves slower with a faster SIM/HA pair then there is= a > probably some problem in the SCSI device. If my goal had been to provid= e > fast stuff for either slow and/or shitty SCSI devices I would certainly= > not have spent a single second of my life to SCSI/PCI. Or the driver is doing things wrong. = You may have a valid point in that the device is not doing things acordin= g to = the SCSI spec, but you can't dissmiss the test only becouse you never use= slow = devices on a fast SCSI buss (that is, do not live in the real world :-) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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