Re: Recover stupid mistake

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On 27 May 2010 19:18, Larry Brower <larry@xxxxxxxxx> wrote:
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> Tom H wrote:
>> On Thu, May 27, 2010 at 5:00 PM, Aaron Konstam <akonstam@xxxxxxxxxxxxx>
> wrote:
>>> On Thu, 2010-05-27 at 08:07 -0500, Bruno Wolff III wrote:
>>>> On Thu, May 27, 2010 at 13:32:51 +0100,
>>>>   Mike Martin <redtux1@xxxxxxxxxxxxxx> wrote:
>>>>> Hi when I was trying (and failing) to get a bootable pen-drive, with
>>>>> the F13 live image I accidentally did the following
>>>>>
>>>>> dd if=/dev/zero of=/dev/sdb bs=512 count=1
>>>>>
>>>>> which returned nearly immediately and now I have no data on the disk.
>>>>>
>>>>> The disk is 750 gig , of which about 400 is used. I am hoping that
>>>>> only the partition table is gone, if not is there any way to recover
>>>>> from my disaster
>>>> I believe that command just changed the first 512 bytes. If you know how
>>>> it was partitioned you can probably get things back by making a new
>>>> partition table.
>>> The MBR and the partition tablrhave been destroyed. If you know what the
>>> partition table looked like fdisk can restore it. Restoring grub might
>>> also restore the MBR.
>>
>> You can try to use gpart to determine the partition boundaries and
>> sizes and then use fdisk to restore them.
> You may want to try testdisk.
>
> http://www.cgsecurity.org/wiki/TestDisk_Download
>
>
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Well I've made some progress, I have my /,boot and home via parted rescue

Only problem is that now parted only sees swap as p4, rather than an
extended partition with swap and my main 711 Gig storage partition

Any ideas
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