Date: Tue, 9 Sep 1997 19:42:30 +0000 (GMT) From: Terry Lambert <tlambert@primenet.com> To: tom@uniserve.com (Tom) Cc: tlambert@primenet.com, mal@algonet.se, current@FreeBSD.ORG Subject: Re: lousy disk perf. under cpu load (was IDE vs SCSI) Message-ID: <199709091942.MAA27984@usr03.primenet.com> In-Reply-To: <Pine.BSF.3.96.970909121004.21474A-100000@shell.uniserve.com> from "Tom" at Sep 9, 97 12:15:44 pm
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> The NCR driver has supported tags for a LONG time, probably since > before 2.1 It used to be off without a compile time option for a long time; but I'm not sure about 2.2. > The ahc driver has supported tages for a LONG time, since about 2.1.5 He has a quantum drive on the AHC. > "ncrcontrol" for the NCR driver. Also, see ncrcontrol man page. This is a good point. It could be off on the drive, or the drive could not support it without a firmware update. 8-|. > The ahc driver lists tag support during boot. Also see ahc man page. His listed SCB's, but not tags, if my crecollection is right... Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers.
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