Date: Fri, 25 May 2012 15:37:00 -0700 From: Patrick Mahan <mahan@mahan.org> To: Matthew Seaman <matthew@FreeBSD.org> Cc: freebsd-fs@FreeBSD.org Subject: Re: GEOM: ada0: corrupt or invalid Message-ID: <4FC0098C.9060107@mahan.org> In-Reply-To: <4FC002CF.2080702@FreeBSD.org> References: <4FBFEF94.4020407@mahan.org> <4FC002CF.2080702@FreeBSD.org>
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On 5/25/12 3:08 PM, Matthew Seaman wrote: > On 25/05/2012 22:46, Patrick Mahan wrote: >> But the question is - "Is this recoverable? Or should we just >> re-install everything from scratch?" > > Re-install. You can't use dd(1) to copy a disk image to a smaller > physical drive: the disk size is encoded in various structures on disk > and used at boot time; copying a filesystem with dd(8) and truncating > it (even if the used space is less than the target partition size) just > doesn't work. > > If you have work you've done on the original disk images that you'ld > like to copy to the new ones, then use a file-system level copy program. > There are any number of suitable candidates, most of which have the > ability to write across a network link if needed: > > * dump(8) and restore(8) > > * rsync(1) > > * tar(1) > > * find(1) and cpio(1) > > Even cp(1). > > Cheers, > > Matthew > Thanks, As I expected, it was chock gun, aim at foot, pulled the trigger.... Re-installing now. Patrick
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