My freebsd partition changed by Windows chkdsk (Leslie Jensen)

[Leslie Jensen]

Manish Jain skrev 2012-11-02 14:39:
>> That I trusted the chkdsk program to do what I told it to do was in
>> retrospect a bit naive ;-) I do have a backup although it's not as
>> recent as I would have liked.
>>
>> Can you think of any way to perhaps recover the data from the freebsd
>> partition?
>
> I trust that you by now have discovered that your trust was never breached
> by Microsoft (for once). Microsoft firmly believes that Windows is the only
> OS that should reside on a PC's disk. Therefore running chkdsk with force
> was only an invitation to Microsoft to run amok.
>
> BTW, the reason I replied to this message was not to provide you with a
> solution but with a trivial yet good bit of precaution I use on my own
> dual-boot PC, wherein ad4s1 is NTFS/Windows and ad4s2 is my FreeBSD slice.
> Right after installation of FreeBSD, I ran :
>
> dd if=/dev/ad4 of=ad4.512 bs=512 count=1
> dd if=/dev/ad4s2 of=ad4s2.512 bs=512 count=1
> dd if=/dev/ad4s2a of=ad4s2a.512 bs=512 count=1
>
> No matter how Windows screws up the MBR or FreeBSD's slice, recovering from
> the situation is simple enough.
>
> Regards
>
> Manish Jain
> bourne.identity at hotmail.com
>
>
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Thank you for your comment.
I must admit that I do not fully understand what it is you do.
Will you explain the details, Please?
Thanks
/Leslie