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*SOLVED* ERROR opening FILE

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tinypoodle:

--- Quote from: eltone on January 13, 2014, 12:48:09 PM ---
--- Quote from: gerald_clark on January 12, 2014, 06:06:53 PM ---. . . you should backup your filesystems to image files on another device.  Use dd conv-noerror.

--- End quote ---
It would be nice to split the 65GB HD into a couple 32 GB compressed images, to fit on 32 GB thumb drives.

--- End quote ---
That might be an approach for a simple routine backup, but rather useless when trying to rescue data from an erroneous filesystem or device as appears possible in your case.

To the contrary, if you image your filesystem(s), to preserve optimal chances of being able to rescue data, you should not operate in read-write mode on the image per se, but only on a copy of the image.

eltone:

--- Quote from: tinypoodle on January 13, 2014, 01:03:49 PM ---
--- Quote from: eltone on January 13, 2014, 12:48:09 PM ---
--- Quote from: gerald_clark on January 12, 2014, 06:06:53 PM ---. trying to rescue data from an erroneous filesystem or device as appears possible in your case.

To the contrary, if you image your filesystem(s), to preserve optimal chances of being able to rescue data, you should not operate in read-write mode on the image per se, but only on a copy of the image.

--- End quote ---

hi,

'fdisk' findings of HD:


--- Quote ---tc@box:~$ fdisk -l /dev/sda

Disk /dev/sda: 80.0 GB, 80026361856 bytes
255 heads, 63 sectors/track, 9729 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks  Id System
/dev/sda1   *           1        9446    75874963+  7 HPFS/NTFS
/dev/sda2            9447        9599     1228972+  f Win95 Ext'd (LBA)
/dev/sda3            9600        9729     1044225   7 HPFS/NTFS
/dev/sda5            9447        9599     1228941   7 HPFS/NTFS
tc@box:~$ lshw -C /dev/sda
sh: lshw: not found
tc@box:~$ lshw -C /dev/sda
WARNING: you should run this program as super-user.
WARNING: output may be incomplete or inaccurate, you should run this program as super-user.
tc@box:~$ sudo lshw -C /dev/sda
tc@box:~$ sudo lshw -C /dev/sda
tc@box:~$

--- End quote ---

'lshw.tcz' is a non-funtional 5.1 repo extension.

Q1: To copy the sda HD disk to an image file on sdb, what's the correct dd syntax, e.g.,:

--- Code: ---dd if=/dev/old_disk of=image_file conv=noerror

--- End code ---

Q2: Once the HD is successfully imaged, can it be restored on another media, e.g., mass storage device?

eltone
--- End quote ---

--- End quote ---

gerald_clark:
You never mentioned that your sda1 is an NTFS file system.
You cannot write to an NTFS file system unless you mount it with the ntfs-3g.tcz extension.

tinypoodle:
Besides from everything else, your partitioning scheme is rather uncommon, e.g. /dev/sda5 precedes /dev/sda3; be prepared that some software which would assume common order may behave unpredictably.

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