Date: Wed, 24 Mar 2010 14:33:08 -0800 From: Henrik Hudson <lists@rhavenn.net> To: freebsd-questions@freebsd.org Subject: Re: 8.0 amd64 - Royally screwed up MBR (My own fault) Message-ID: <20100324223308.GA6309@alucard.int.rhavenn.net> In-Reply-To: <20100324212032.M14419@brightstar.bomgardner.net> References: <20100324212032.M14419@brightstar.bomgardner.net>
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On Wed, 24 Mar 2010, Gene wrote: > Greetings - (not a draft notice) > > First thanks to those who responded to my previous question. > > Next... > > I was attempting to install 8.0 amd64 w/ZFS. I used instructions from the wiki > and when I had trouble, I decided to beat a strategic retreat and just do a > "vanilla" install. Problem was that either fdisk didn't recognize the mbr > after all the 'gpart create'-ing or simply couldn't start newfs. (Something > about not being able to find an initial inode.) I figured 'gpart destroy ad0' > might fix things but no such luck. fdisk -I ad0 also errors out saying "unable > to locate class". > > Does anyone know of a simple (brute force?) way to restore simple. standard > MBRs without having to resort to a hex editor? (I will if I have to, but I'd > rather not.) This will wipe the MBR: dd if=/dev/zero of=/dev/sdb bs=446 count=1 replace of=/dev/sdb without whatever /dev/sd? you need. henrik -- Henrik Hudson lists@rhavenn.net ----------------------------------------- "God, root, what is difference?" Pitr; UF
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