Date: Wed, 20 Oct 2010 07:55:11 -0600 (MDT) From: Warren Block <wblock@wonkity.com> To: Modulok <modulok@gmail.com> Cc: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: dd to clone disks - new disk fails to boot. Message-ID: <alpine.BSF.2.00.1010200750590.67432@wonkity.com> In-Reply-To: <AANLkTi=yxxEF3KHeoHU75Wc7kz72bB81RpJ3fi6JHLvq@mail.gmail.com> References: <AANLkTi=yxxEF3KHeoHU75Wc7kz72bB81RpJ3fi6JHLvq@mail.gmail.com>
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On Wed, 20 Oct 2010, Modulok wrote: > Problem: I copied from an old hard drive to a new one via FreeBSD's > dd. The new drive won't boot. The old drive worked fine. (The new > drive is known-to-work.) > > Background: I have a system with a 160GB disk in it. It runs windows. > It works. I have a blank 250GB disk. I want to copy the entire 160GB > disk onto the 250GB disk, shuffle the SATA cables and boot to it. > Basically, I'm just replacing the small hard drive with a larger one. > I would then extend the partition using something like gpartd. > > I booted to a live FreeBSD disk and used dd like so: > > dd if=/dev/ad4 of=/dev/ad8 bs=1m > > About an hour later it finished. No errors. I turned the machine off, > unplugged the small disk and connected the big disk into the primary > SATA header. The BIOS chokes on the new disk. It refuses to boot from > it and instead reports 'disk error'. If the BIOS is complaining, see if the new drive has a SATA 150 jumper, or some other compatibility mode.
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