Date: Thu, 10 Dec 1998 20:47:04 +0100 From: J Wunsch <j@uriah.heep.sax.de> To: freebsd-scsi@FreeBSD.ORG Cc: spork <spork@super-g.com> Subject: Re: options FAILSAFE Message-ID: <19981210204704.28265@uriah.heep.sax.de> In-Reply-To: <Pine.BSF.4.00.9812101149490.28154-100000@super-g.inch.com>; from spork on Thu, Dec 10, 1998 at 11:51:13AM -0500 References: <Pine.BSF.4.00.9812101149490.28154-100000@super-g.inch.com>
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As spork wrote: > I've always wondered exactly what it does... Is it strictly a scsi thing > or does it touch other bits and pieces? LINT says it enables tag queueing > on the ncr. Does anyone know what else it does, and whether it does > anything if you're running CAM? It was intended to enable `most defensive' kernel parameters. It turned off tagged queuing in the NCR driver, since there used to be a number of disks like older HP drives that choked on tagged queuing even though they claimed to accept them. Since this is a show-stopper during installation, Stefan Esser once created this option. I don't remember it ever changing more than just this. I haven't read the CAM sources for the ncr driver, but would assume the option degraded to a no-op now. -- 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. ;-) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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