Mounting a disk clone Post: 302468610

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Operating Systems Linux Ubuntu Mounting a disk clone Post 302468610 by Corona688 on Wednesday 3rd of November 2010 10:28:50 AM

11-03-2010

Registered User

Quote:

Originally Posted by mark54g

If it is a loopback filesystem, such as an ISO or dump (dd, or such) of a file system, he can mount it.

Yes, hence why I asked for a 'fdisk -ul' readout.

It's already been described as a whole disk though -- so it's almost certainly not a filesystem. If it's a plain raw dump he could use offset-tricks to mount partitions in it, otherwise he'll need to convert it somehow first.

---------- Post updated at 08:28 AM ---------- Previous update was at 08:25 AM ----------

Quote:

Originally Posted by fpmurphy

You can then use dcfldd skip=start_sector count=lenght bs=512 to extract the logical partition from the physical image.

You can mount part of a file as a partition when mounting in linux with -o loop. Wish I'd known that years ago, could have done that instead of making a vmware virtual machine.

Code:

mount -o loop,ro,offset=offset-in-bytes,sizelimit=length-in-bytes -t filesystemtype ./huge-wad-of-partitions.img

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partx

PARTX(8)						      System Manager's Manual							  PARTX(8)

NAME

       partx - telling the kernel about presence and numbering of on-disk partitions.

SYNOPSIS

       partx [-a|-d|-l] [--type TYPE] [--nr M-N] [partition] disk

DESCRIPTION

       Given  a  block	device	(  disk  ) and a partition table type , try to parse the partition table, and list the contents. Optionally add or
       remove partitions.

       This is not an fdisk - adding and removing partitions is not a change of the disk, but just telling the kernel about presence and numbering
       of on-disk partitions.

OPTIONS

       -a     add specified partitions or read disk and add all partitions

       -d     delete specified or all partitions

       -l     list partitions. Note that the all numbers are in 512-byte sectors.

       --type TYPE
	      Specify the partition type -- dos, bsd, solaris, unixware or gpt.

       --nr M-N
	      Specify the range of partitions (e.g --nr 2-4).

SEE ALSO

       addpart(8), delpart(8), fdisk(8), parted(8), partprobe(8)

AVAILABILITY

       The partx command is part of the util-linux-ng package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux-ng/.

								    11 Jan 2007 							  PARTX(8)