From owner-freebsd-questions Wed May 5 23:44:36 1999 Delivered-To: freebsd-questions@freebsd.org Received: from allegro.lemis.com (allegro.lemis.com [192.109.197.134]) by hub.freebsd.org (Postfix) with ESMTP id 3FD1414F37 for ; Wed, 5 May 1999 23:44:26 -0700 (PDT) (envelope-from grog@freebie.lemis.com) Received: from freebie.lemis.com (freebie.lemis.com [192.109.197.137]) by allegro.lemis.com (8.9.1/8.9.0) with ESMTP id QAA22376; Thu, 6 May 1999 16:14:23 +0930 (CST) Received: (from grog@localhost) by freebie.lemis.com (8.9.3/8.9.0) id QAA78184; Thu, 6 May 1999 16:14:20 +0930 (CST) Date: Thu, 6 May 1999 16:14:20 +0930 From: Greg Lehey To: Mark Ovens Cc: Questions Subject: Re: delays during boot Message-ID: <19990506161419.I40359@freebie.lemis.com> References: <37305116.DCBB1666@castle.net> <19990506085525.J40359@freebie.lemis.com> <373137F5.3DE5DC6A@uk.radan.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.95.4i In-Reply-To: <373137F5.3DE5DC6A@uk.radan.com>; from Mark Ovens on Thu, May 06, 1999 at 07:34:29AM +0100 WWW-Home-Page: http://www.lemis.com/~grog X-PGP-Fingerprint: 6B 7B C3 8C 61 CD 54 AF 13 24 52 F8 6D A4 95 EF Organization: LEMIS, PO Box 460, Echunga SA 5153, Australia Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-41-739-7062 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Thursday, 6 May 1999 at 7:34:29 +0100, Mark Ovens wrote: > Greg Lehey wrote: >> >> On Thursday, 6 May 1999 at 8:59:31 +1200, Jonathan Chen wrote: >>> On Wed, 5 May 1999, gkaplan wrote: >>> >>>> During the boot process for 2.2.8 there are two significant delays is >>>> the startup process. They both seem to relate to disk initialization >>>> (ide) the combined time of delay is 30 to 45 second. Is there a >>>> modification the I could make to the startup that would shorten this >>>> time without causing an undesirable side effect. >>> >>> You could compile a custom kernel so that it doesn't probe for >>> non-existent IDE devices. >> >> You can also disable them in UserConfig. > > On a closely related note, what is SCSI_DELAY for? The message says > "waiting for SCSI devices to settle" but what exactly is "settling"? I > can't set mine any lower than 10 seconds and get successful probes > *every* boot. Ah, I know that one. I just wrote it up for the new edition of "The Complete FreeBSD" (at a bookshop near you Real Soon Now). In fact, I had my cursor on it in another window. To quote: SCSI_DELAY is the number of milliseconds to wait after resetting the SCSI bus. This is most evident when probing. This value used to be in seconds: be careful when upgrading. Make sense? Greg -- When replying to this message, please copy the original recipients. For more information, see http://www.lemis.com/questions.html See complete headers for address, home page and phone numbers finger grog@lemis.com for PGP public key To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message