March 19, 2011

mount hard drive image that has ntfs format?

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ok wanted to image my mom computer. Her computer is windows 7 and has ntfs. So... how do I mount it? Below is what I did.

used ddrecuse from apt-get install gddrecuse

custom@custom:~$ sudo ddrescue -v /dev/sda ~/mom/mom03142011.img ~/mom/logfile

About to copy 320072 MBytes from /dev/sda to /home/custom/mom/mom03142011.img
Starting positions: infile = 0 B, outfile = 0 B
Copy block size: 128 hard blocks
Hard block size: 512 bytes
Max_retries: 0
Direct: no Sparse: no Split: yes Truncate: no

Press Ctrl-C to interrupt
Initial status (read from logfile)
rescued: 0 B, errsize: 0 B, errors: 0
Current status
rescued: 320072 MB, errsize: 0 B, current rate: 17235 kB/s
ipos: 320072 MB, errors: 0, average rate: 21384 kB/s
opos: 320072 MB, time from last successful read: 0 s
Finished

custom@custom:/media/My Passport/mom$ sudo mount -t ntfs-3g -o loop mom03*.img /mnt
NTFS signature is missing.
Failed to mount '/dev/loop1': Invalid argument
The device '/dev/loop1' doesn't seem to have a valid NTFS.
Maybe the wrong device is used? Or the whole disk instead of a
partition (e.g. /dev/sda, not /dev/sda1)? Or the other way around?

custom@custom:/media/My Passport/mom$ file -s mom03142011.img
mom03142011.img: x86 boot sector; partition 1: ID=0x7, active, starthead 32, startsector 2048, 407552 sectors; partition 2: ID=0x7, starthead 126, startsector 409600, 598294528 sectors; partition 3: ID=0x7, starthead 254, startsector 598704128, 26435584 sectors, code offset 0xc0

custom@custom:~$ sudo fdisk -l

Disk /dev/sda: 320.1 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x8d769ec6

Device Boot Start End Blocks Id System
/dev/sda1 * 1 26 203776 7 HPFS/NTFS
Partition 1 does not end on cylinder boundary.
/dev/sda2 26 37268 299147264 7 HPFS/NTFS
/dev/sda3 37268 38914 13217792 7 HPFS/NTFS

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