Date: Thu, 21 Oct 2010 07:19:09 -0600 From: Scott Long <scottl@samsco.org> To: Alexander Best <arundel@freebsd.org> Cc: freebsd-scsi@freebsd.org Subject: Re: set kern.cam.scsi_delay to 2000ms on all platforms Message-ID: <8B967C79-CD84-435C-9007-E33467DC92A9@samsco.org> In-Reply-To: <20101021062150.GA20489@freebsd.org> References: <20101019221131.GA75368@freebsd.org> <63EF6D51-1196-43F1-8521-27756E972263@samsco.org> <20101021062150.GA20489@freebsd.org>
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Ok, I've gotta be a stick in the mud and ask you how you've come to the = conclusion that 2000 is better than 5000. Can you provide your evidence = and/or testing results? Scott On Oct 21, 2010, at 12:21 AM, Alexander Best wrote: > a few years ago kern.cam.scsi_delay was set from 150000 to 5000. = nowadays a > value of 2000 should be sufficient even on old/slow hardware. >=20 > to have cleaner code it's better to set default value to 2000 instead = of doing > so in every config file on every platform. >=20 > cheers. > alex >=20 > On Wed Oct 20 10, Scott Long wrote: >> You've described the "what" but not the "why". Why do you want to = remove this option? Why do you want to change its value? >>=20 >> Scott >>=20 >> On Oct 19, 2010, at 4:11 PM, Alexander Best wrote: >>=20 >>> hi there, >>>=20 >>> i've posted this patch on freebsd-hackers@, but jhb@ recommended i = should also >>> send it to freebsd-scsi@. basically what this patch does is to = populate >>> kern.cam.scsi_delay=3D2000 as the default value throughout the = entire source >>> tree. in addition to that it gets rid of some legacy Makefile = entries, where >>> kern.cam.scsi_delay was set to 150000. >>>=20 >>> cheers. >>> alex >>>=20 >>> --=20 >>> a13x >>> <SCSI_DELAY.diff2>_______________________________________________ >>> freebsd-scsi@freebsd.org mailing list >>> http://lists.freebsd.org/mailman/listinfo/freebsd-scsi >>> To unsubscribe, send any mail to = "freebsd-scsi-unsubscribe@freebsd.org" >=20 > --=20 > a13x
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