Date: Sat, 19 Jan 2013 08:59:07 -0600 From: Bob Willcox <bob@immure.com> To: Erich Dollansky <erichsfreebsdlist@alogt.com> Cc: questions list <freebsd-questions@freebsd.org> Subject: Re: Safe way to repair corrupted GPT partition table? Message-ID: <20130119145907.GA7788@rancor.immure.com> In-Reply-To: <20130119072509.2579dcce@X220.ovitrap.com> References: <20130118200824.GA4084@rancor.immure.com> <20130119072509.2579dcce@X220.ovitrap.com>
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On Sat, Jan 19, 2013 at 07:25:09AM +0700, Erich Dollansky wrote: > Hi, > > On Fri, 18 Jan 2013 14:08:25 -0600 > Bob Willcox <bob@immure.com> wrote: > > > Is there a way to repair a GPT partition table that has gotten > > corrupted (following a system hang during heavy I/O to a ZFS > > filesystem)? > > > I would use a hex editor. Of course, try it out on another disk before > working on that disk. You can even copy the data with dd from the other > disk after you are sure it will work. Of course, the size must match or > must be made matching. > > Ok, it is not a safe way but it is a working way. Have to say I was hoping that there was some programatic way to do this. Certainly if I go down this path I'll have to practice on a disk that doesn't contain data that I care about. Getting the size right as this is the only disk of this size I have. (Actually, it's an Areca RAID 5 Volume Set.) Thanks, Bob > > Erich -- Bob Willcox | LIVING YOUR LIFE: bob@immure.com | A task so difficult, it has never been attempted before. Austin, TX |
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