From owner-freebsd-stable Thu Jan 31 20:57:56 2002 Delivered-To: freebsd-stable@freebsd.org Received: from sbk-gw.sibnet.ru (sbk-gw.sibnet.ru [217.70.96.146]) by hub.freebsd.org (Postfix) with ESMTP id 4628537B400 for ; Thu, 31 Jan 2002 20:57:52 -0800 (PST) Received: from localhost (stranger@localhost) by sbk-gw.sibnet.ru (8.11.6/8.11.6) with ESMTP id g114vcX08725; Fri, 1 Feb 2002 10:57:39 +0600 (NOVT) (envelope-from stranger@sberbank.sibnet.ru) Date: Fri, 1 Feb 2002 10:57:38 +0600 (NOVT) From: "Maxim M. Kazachek" X-X-Sender: stranger@sbk-gw.sibnet.ru To: FreeBSD Stable Cc: David Burren , Subject: Re: Setting drive geometry, big drives? In-Reply-To: <20020131222442.I96906-100000@cobble.capnet.state.tx.us> Message-ID: <20020201105521.S8716-100000@sbk-gw.sibnet.ru> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Thu, 31 Jan 2002, FreeBSD Stable wrote: > > >On Fri, 1 Feb 2002, David Burren wrote: > >> > So the partition editor picks another default, which is >> > 7476/255/63. Which seems to work fine, but now I have three >> > different numbers. The boot still shows 119150/16/63, the BIOS >> > still shows 29437/16/255, and the disklabel shows 7476/255/63. > >> > Questions: Why the warning about not using the PHYSICAL GEOMETRY, >> > especially since the BIOS reports an apparently-proper physical >> > geometry, and I'm told I must use the BIOS settings for the >> > drive's geometry? And why is the boot message still reporting >> > 119150/16/63, when that isn't set anywhere??? > >> Surely the driver will be probing the device directly to find the >> 119150/16/63 geometry. Have you tried setting the BIOS to use the >> same geometry and see where that gets you? > >The partition editor insists that 119150/16/63 is not a proper >geometry for the drive, so there isn't much point to setting >it that way in the BIOS, but I can't, anyway. The BIOS (both >on a 1rst MB and a Tyan K7) cannot be set to a six-digit number >for the cylinders. > >So, why does the partition editor think the 119150/16/63 >numbers would be a bad selection??? It is what it is >getting when it asks the drive, apparently. Why should >I _not_ use the numbers in the probe, and why not use >the BIOS reported numbers? > I'm afraid that 119150 can't fit into 16 bit integer that contains cylinder count in the partition table entry. Sincerely, Maxim M. Kazachek mailto:stranger@sberbank.sibnet.ru mailto:stranger@fpm.ami.nstu.ru To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message