From owner-freebsd-scsi@FreeBSD.ORG Thu Oct 21 13:19:13 2010 Return-Path: Delivered-To: freebsd-scsi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A6DCE1065673; Thu, 21 Oct 2010 13:19:13 +0000 (UTC) (envelope-from scottl@samsco.org) Received: from pooker.samsco.org (pooker.samsco.org [168.103.85.57]) by mx1.freebsd.org (Postfix) with ESMTP id 52CCF8FC1E; Thu, 21 Oct 2010 13:19:13 +0000 (UTC) Received: from [127.0.0.1] (pooker.samsco.org [168.103.85.57]) (authenticated bits=0) by pooker.samsco.org (8.14.4/8.14.4) with ESMTP id o9LDJ9Gt065065; Thu, 21 Oct 2010 07:19:10 -0600 (MDT) (envelope-from scottl@samsco.org) Mime-Version: 1.0 (Apple Message framework v1081) Content-Type: text/plain; charset=us-ascii From: Scott Long In-Reply-To: <20101021062150.GA20489@freebsd.org> Date: Thu, 21 Oct 2010 07:19:09 -0600 Content-Transfer-Encoding: quoted-printable Message-Id: <8B967C79-CD84-435C-9007-E33467DC92A9@samsco.org> References: <20101019221131.GA75368@freebsd.org> <63EF6D51-1196-43F1-8521-27756E972263@samsco.org> <20101021062150.GA20489@freebsd.org> To: Alexander Best X-Mailer: Apple Mail (2.1081) X-Spam-Status: No, score=-50.0 required=3.8 tests=ALL_TRUSTED, T_RP_MATCHES_RCVD autolearn=unavailable version=3.3.0 X-Spam-Checker-Version: SpamAssassin 3.3.0 (2010-01-18) on pooker.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 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Oct 2010 13:19:13 -0000 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 >>> _______________________________________________ >>> 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