GEOM: ada0: corrupt or invalid
Patrick Mahan
mahan at mahan.org
Fri May 25 22:37:01 UTC 2012
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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