From owner-freebsd-scsi@FreeBSD.ORG  Thu Oct 21 06:21:50 2010
Return-Path: <owner-freebsd-scsi@FreeBSD.ORG>
Delivered-To: freebsd-scsi@freebsd.org
Received: by hub.freebsd.org (Postfix, from userid 1233)
	id 105F01065673; Thu, 21 Oct 2010 06:21:50 +0000 (UTC)
Date: Thu, 21 Oct 2010 06:21:50 +0000
From: Alexander Best <arundel@freebsd.org>
To: Scott Long <scottl@samsco.org>
Message-ID: <20101021062150.GA20489@freebsd.org>
References: <20101019221131.GA75368@freebsd.org>
	<63EF6D51-1196-43F1-8521-27756E972263@samsco.org>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <63EF6D51-1196-43F1-8521-27756E972263@samsco.org>
Cc: freebsd-scsi@freebsd.org
Subject: Re: set kern.cam.scsi_delay to 2000ms on all platforms
X-BeenThere: freebsd-scsi@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: SCSI subsystem <freebsd-scsi.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-scsi>,
	<mailto:freebsd-scsi-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-scsi>
List-Post: <mailto:freebsd-scsi@freebsd.org>
List-Help: <mailto:freebsd-scsi-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-scsi>,
	<mailto:freebsd-scsi-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 21 Oct 2010 06:21:50 -0000

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.

to have cleaner code it's better to set default value to 2000 instead of doing
so in every config file on every platform.

cheers.
alex

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?
> 
> Scott
> 
> On Oct 19, 2010, at 4:11 PM, Alexander Best wrote:
> 
> > hi there,
> > 
> > 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=2000 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.
> > 
> > cheers.
> > alex
> > 
> > -- 
> > 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"

-- 
a13x