Date: Fri, 21 Mar 2008 15:16:31 -0500 From: Derek Ragona <derek@computinginnovations.com> To: William Bulley <web@umich.edu>, freebsd-questions@freebsd.org Subject: Re: help for a wounded disk drive... Message-ID: <6.0.0.22.2.20080321151543.0272b758@mail.computinginnovations.com> In-Reply-To: <20080321173950.GF26011@dell1> References: <20080321173950.GF26011@dell1>
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At 12:39 PM 3/21/2008, William Bulley wrote: >I damaged a Seagate 80 GB EIDE drive that was attached to a FreeBSD 5.4 >system (as ufs) some time ago, and I would like to recover the data on >this drive - if that is possible. All positive suggestions are welcome. > >The drive is mechanically and electrically good. I just can't mount it >and use it under FreeBSD. It was a dual boot drive with a DOS partition >on the first partition and FreeBSD 5.4 on partition two. I did the normal >sysinstall for FreeBSD 5.5 as I had done many times before. Unfortunately, >I had the older, FreeBSD 5.4 drive cabled up (and powered up) on the second >IDE channel (using cable select) of an i386 motherboard while I did the 5.5 >install on a new, blank drive on the first IDE channel. > >I told sysinstall to add the standard FreeBSD bootloader on the new drive. >I don't recall if I allowed for a DOS partition or just used the entire disk. >The FreeBSD 5.4 disk on the second IDE channel also had the standard FreeBSD >bootloader from my earlier sysinstall of 5.4 on that disk. > >When I completed the install, I figured I could just mount the second (older) >drive manually. When I tried to do this, things went from bad to worse, and >the new system could never recognize the drive. I believe the installation >process attempted to (or succeeded in) putting (an unnecessary) bootloader on >the older drive. Had it not been connected, it would probably be okay today. >I learned an important lesson at that time... > >I don't know what steps to take to recover this drive so I can mount it in a >read-only mode. I just want to recover the files on this drive. It is very >small by today's standards, so I will likely not use the drive in production. > >I am comfortable running any required shell commands (as root), but I don't >want to damage the disk drive any further. I hope I don't have to resort to >using dd(1) on the raw device! Thanks in advance for any pointers. > >Regards, > >web... If the mechanics and other workings are good, try testdisk at: www.testdisk.org -Derek -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.
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