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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!news.cs.su.oz.au!metro!metro!munnari.OZ.AU!news.ecn.uoknor.edu!solace!nntp.uio.no!news.maxwell.syr.edu!news.mathworks.com!fu-berlin.de!irz401!orion.sax.de!uriah.heep!news From: j@uriah.heep.sax.de (J Wunsch) Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: Undocumented SCSI options Date: 11 Feb 1997 02:35:11 GMT Organization: Private BSD site, Dresden Lines: 20 Message-ID: <5dolsv$lfs@uriah.heep.sax.de> References: <5ddpc5$t1o@vixen.cso.uiuc.edu> Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) NNTP-Posting-Host: localhost.heep.sax.de Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-Newsreader: knews 0.9.6 X-Phone: +49-351-2012 669 X-PGP-Fingerprint: DC 47 E6 E4 FF A6 E9 8F 93 21 E0 7D F9 12 D6 4E Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:35476 igor@students.uiuc.edu (igor vladimirovich roshchin) wrote: > What does the following option do ? > options AHC_TAGENABLE Well, ain't it obvious? It enables tags. Merely, what is called ``tagged command queuing''. > What can be a side effect ? More performance. Or shooting in your foot, if you've got a drive that doesn't grok tagged commands despite claiming support for it. At least one of the HP drives is known for such misbehaviour. -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)