On Mon, 4 Oct 2010 12:34:13 +0200
Polytropon <free...@edvax.de> wrote:
> On Sun, 3 Oct 2010 14:29:35 -0700, Robert <travelin...@cox.net> wrote:
> > Thanks for the info. I successfully did the above and now I have a
> > 58.6GB file named disk.img on a UFS disk.
> >
> > Umm, what should I do now. Sorry for dumb question number 37 this
> > weekend but I am a bit confused. Can I do just the opposite to
> > another NTFS drive and end up with all the data looking like it
> > should? I.E. dd from the file to an NTFS disk.
>
> You can now use the file as if it were a disk. To "turn it into
> a device", simply do
>
> % mkdir mnt
> % sudo mdconfig -a -t vnode -u 10 -f disk.img
> % mount -o ro /dev/md10 mnt/
>
> This should give you the chance to extract files from it. You
> can also use fdisk on the /dev/md10 file (or any other unit
> number given by -u you want to use).
>
I have now a free 1TB drive for use. It is formatted as UFS. Should I
remove formatting before I dd the 500GB drive to it?
I tried the above process and here is what I have.
[r...@asus64] ~# mdconfig -a -t vnode -u 10 -f /250extra/disk.img
[r...@asus64] ~# mount -o ro /dev/md10 /mnt
mount: /dev/md10 : Invalid argument
[r...@asus64] ~# mount_ntfs -o ro /dev/md10 /mnt
mount_ntfs: /dev/md10: Input/output error
[r...@asus64] ~# ls -l /dev/md*
crw-r----- 1 root operator 0, 129 Oct 4 06:43 /dev/md10
crw-r----- 1 root operator 0, 130 Oct 4 06:43 /dev/md10s1
crw------- 1 root wheel 0, 66 Oct 1 14:43 /dev/mdctl
[r...@asus64] ~# mount -o ro /dev/md10s1 /mnt
[r...@asus64] ~# ls -l /mnt
total 0
[r...@asus64] ~# df -h
Filesystem Size Used Avail Capacity Mounted on
<snip>
/dev/ad12s1d 226G 59G 149G 28% /250extra
/dev/md10s1 451G 32G 383G 8% /mnt
^^^^ ^^^
[r...@asus64] ~# ls -la /mnt
total 0
> Warren wrote:
> It will give an exact copy of the first 250G, which also means it
> will not resize the 500G filesystem into a working 250G version.
Same questions as above. Can I dd to a 1TB? And what format on the
drive?
I apologize again if I am coming off as dense. I have not used "dd"
before as I have always used dump for backups.
Robert
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