2012-11-02 04:39, Warren Block skrev:
On Thu, 1 Nov 2012, Leslie Jensen wrote:



I've replaced my dual boot hard drive with an SSD.

My hard drive had one 100 GB windows partition and one 300 Gb Freebsd
slice with five partitions (/, /usr, /var, /tmp and /home).

In order to move my Win7 partition a Norton Ghost program was supplied
with the new disk.

When trying to clone that partition the process couldn't finish
because it needed a chkdsk command to be executed before cloning.

I ran a chkdsk c: with the choice of correcting errors.

Somewhere in that process the chkdsk program touched my freebsd
partition in a way so that it now is recognized as NTFS.

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?

If all it did was change the partition type, that should be easy to
change back with gpart modify.  Untested example below, make a backup of
the disk as it is right now first.  Clonezilla will make a (large)
binary backup.

# gpart modify -i2 -t !165 ada0
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I use sysinstall and fdisk to find the disk, and I get


Offset   Size(ST)      End     Name  PType       Desc  Subtype    Flags

   0         63         62        -     12     unused        0
        63     256977     257039   ad12s1      4    unknown       22
    257040  163702350  163959389   ad12s2      4 NTFS/HPFS/QNX        7
 163959390  812813778  976773167   ad12s3      4 NTFS/HPFS/QNX        7


It's ad12s3 that's my freebsd slice

gpart show ad12s3 returns

gpart: No such geom: ad12s3


How do I proceed?

Thanks

/Leslie




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