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How to Convert a CD or DVD to ISO Image Files. ISO files are exact copies of a DVD or CD. They're great for archiving and sharing discs without worrying about scratches or other damage. You can create ISO images using any operating system. How to create VHD disk image from a Linux live system? Ask Question Asked 7 years. I would like the destination file to be a VHD image. Needed and we will work exclusively on the destination server (running Linux as well). VirtualBox will be used to convert the raw disk image to the VHD format, but before doing so, we can zero out the. Know how to convert VHD to VMware VMDK image by using WinImage, features of WinImage and steps to convert VHD to VMware VMDK format. Reading, and editing of many image formats and file systems such as Linux, FAT, ISO, NTFS DMF, and VHD. The disk image thus, created by using the tool that has actually exact copy of that physical disk. Using Macrium Reflect take an image of your physical machine.; Once you have an image, create a Rescue Media ISO image. Create a Virtual Machine using your preferred hypervisor (Hyper-V, VMware, Virtual box.), assigning to it a vCPU, Memory and a Virtual Hard Disk.
Active2 years, 3 months ago
Once more, I have to resort at the experts here at SuperUser, as my other sources (mainly Google ;-)) didn't prove very helpful...
So basically, I would like to create a VHD image of a physical disk to be archived/accessed/maybe even mounted in a virtual machine.Now, there are dozens of articles and tutorials on how to do that on the web, but none that meets exactly the conditions I would like to achieve:
- I would like the destination file to be a VHD image, as Windows 7 can mount it natively, even over the network and many other programs can use it (VirtualBox, ...)
- The disk I'm trying to image contains a Windows XP install, so in theory, I could use the
disk2vhd
utility, but I would like to find a solution that doesn't require booting that Windows XP install (ie keep the disk read-only) - Thus I was searching for a solution involving some sort of live system (running from a USB stic or the network)
However, all the solutions that I've came across either make use of
disk2vhd
or use the dd
command under linux, which does a complete copy of the disk (ie even empty blocks) and does not output a VHD file. Is there a tool/program under Linux that can directly create a VHD file? Or is is possible to convert a raw disk image created using dd to a VHD file, without allocating space for the empty blocks? How would you proceed?As always, any advice or comment is highly appreciated!!
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6 Answers
For future reference, here is how I finally proceeded, with a few comments on the various issues or pitfalls encountered:
1. Boot the machine with a Linux live system
First step was to boot the machine containing the disk to image, using a Linux live system.
NOTE: My first idea was to use an Ubuntu Live USB disk, but the machine did not support booting from USB, so I found it easier to use an old Knoppix live CD.
2. Image the disk using dd
and pipe the data through ssh
Then, I copied all the disk content to a file image on my local server using
dd
and piping the data through ssh
:$ dd if=/dev/hdX bs=4k conv=noerror,sync | ssh -c blowfish myuser@myserver 'dd of=myfile.dd'
A few comments here: this method will read all the disk contents, so it can take very long (it took me 5hrs for a 80Gb disk). The bottleneck isn't the network, but really the disk read speed. Before launching the copy, I advice to check the BIOS/disk/system parameters to ensure that the disk and the motherboard are working at their highest possible speed (this can be checked using the command
hdparm -i
and by running a test with hdparm -Tt /dev/hdX
).NOTE:
dd
does not output progress of the operation, but we can force it to do so by sending the USR1 signal to the dd
process PID from another terminal:$ kill -USR1 PIDofdd
3. Reclaim the unused space
At this point, the source machine is no longer needed and we will work exclusively on the destination server (running Linux as well). VirtualBox will be used to convert the raw disk image to the VHD format, but before doing so, we can zero out the unused blocks, so that VirtualBox does not allocate space for them in the final file.
Convert Vhd To Iso Image
In order to do so, I mounted the images as a loopback device:
NOTE: The offset indicating the beginning of the partition within the disk image can be obtained by using
parted
on the image file:NOTE2: The default Linux kernel NTFS driver provides read-only access, thus it is necessary to install and use the userspace
ntfs-3g
driver or writing to the disk will raise an error!4. Create the VHD image using VBoxManage
At this point, we can use the VirtualBox utilities to convert the raw image to a VHD file:
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I was trying to do exactly the same thing as the OP (while rescuing a Windows installation) and ended up creating a new tool for it,
ntfsclone2vhd
.You would then simply do something like this:
YirkhaYirkha
One approach is to use a couple of handy technologies: VirtualBox, and the
ntfsprogs
package.Recent versions of VirtualBox allow you to create VHD hard disk files, while
ntfsprogs
provides the ntfsclone
utility. As its name suggests, ntfsclone
clones NTFS filesystems, and I believe that it does it at the filesystem level, skipping over unused disk blocks.So, to begin, create a new VM in VirtualBox, and provision a new, empty VHD-file drive for it. The VHD drive need only be as large as the size of data in use on the physical drive you want to clone (well actually, make it a little bit larger, to allow for some wiggle room).
Next, find a Linux live CD that contains the
ntfsprogs
package, as well as openssh-server
. I like System Rescue CD for this, but pretty much any Debian- or Ubuntu-based live CD should work as well.Boot the VirtualBox VM with the Linux live CD, and start
sshd
within the VM so that you will be able execute commands on it remotely. Partition the empty VHD drive approriately, using whatever partitioning tool you prefer (I like plain old fdisk
, but I'm somewhat old school).With another copy of the Linux live CD, boot the machine containing the physical disk you want to clone. I assume that the VirtualBox VM and this machine are accessible to each other over the network. On this machine, execute the following command (all on one line):
where:
/dev/sdXX
is the device name (on the local machine) of the physical drive you want to clone, and/dev/sdYY
is the device name (in the VM) of the VHD destination drive.
Explanation: The first
ntfsclone
command in the pipeline extracts an image of the source NTFS filesystem and sends it out through the ssh tunnel, while the second ntfsclone
command receives the image and restores it to the VHD drive.Once the operation completes, the VHD file should contain a file-for-file exact clone of the original physical disk (barring any hardware errors, like bad sectors, that might cause the process to abort prematurely).
One last thing you may want to do is to run a Windows
chkdsk
on the VHD drive, just to ensure the cloning didn't introduce any problems (it shouldn't have, but hey, I'm a bit paranoid about these things). Steven MondaySteven Monday
(I know this is an old post, but maybe this will at least help others.)
Do you really need to be able to create the image under Linux? I think you are trying to backup Windows hard drives to VHD. I don't think that Linux file systems can be encapsulated in a VHD container.
A free SysInternals utility called Disk2vhd will create VHDs of the currently running Windows XP or newer system. This should also work for imaging USB mounted drives.
BernardBernard
I also try to clone a live linux system recently.
Still no perfect solutions. Suggest 2 ways you may try:
(1) VMware vConverter (free)
You need to install vsphere hypervisor (free) as the destination.
I did this days ago, no lucks to succeed. Guess I install vSphere on a VirtualBox.
Ref here: http://xrubenx.blogspot.com.au/2010/01/vmware-converter-standalone.html
(2) Use this one http://www.r1soft.com/tools/linux-hot-copy/
I will try R1Soft hotcopy this weekend.
NelsonTNelsonT
Convert Vhd To Iso Image Editor
You can also use a live cd with windows. It's not official from Microsoft but works. You can put it on a cd or usb drive.
![Iso Iso](https://i.ytimg.com/vi/Lrks5uvhHGE/maxresdefault.jpg)
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The ISO file is a widely used Disk file format for installing different bootable operating systems. Although you can use directly the ISO file to boot any OS on VirtualBox, HyperV or VMware Workstations, however, in case you don’t want to first boot & install ISO file to convert it to VDI or VDMK (virtual hard drives) format. You can use the pre-conversion method. Yes, this is the method in which we directly convert the ISO image file (.iso) into VDI (virtual disk image) format using VirtualBox. Not only to VDI but also using the same VBOXmanage tools of VirtualBox the user can convert the ISO image file to VDMK or VHD. It is also very useful to convert and use other format Virtual Disks in different Virtual Machines.
For example, we can convert
- VDI to VDMK
- VDMK to VDI
- VDH to VDMK
- VDMK to VHD
- VDI to VHD
After the conversion of ISO image to VDI, the user can directly boot the OS to install it converted VDI or VDMK format for admin or testing purposes.
Here we are using the command line tool on Windows 10 but the commands given here are same for Mac and Linux systems too.
So, to start the conversion first of all the VirtualBox should be installed on the system to use the VBoxManage command line too. We are assuming that you have the VirtualBox software which is free and open source (FOSS) virtual machine creator tool.
Convert ISO to VDMK
- Find the command prompt for Windows and if you are using the Mac 0r Linux then open your respective command line tool.
- Run the Command prompt under the administrative right.
- Now, In Windows, we need to switch to the Virtualbox directory to run the commands; which is available under C:Program FilesOracleVirtualBox. So the command is:
- Once you under the directory of VirtualBox, we can run the ISO to VDMK conversion command.
- Assuming that you successfully switched the directory, now the command is
- Note: The filename should be replaced with the name of the ISO file along with the complete file path.
- So, in our case, the ISO file was under the Download folder and the name of the file was miniubuntu.iso. So, the command was in this form.
- The above command file path should be your file path where the ISO file resides. For more information see the screenshot
To find the Path file you can also use the Windows Explorer
Right click on the Address bar and select the Edit address option.
You will get the path of the folder where your ISO image resides.
Convert Wim To Vhdx
Convert ISO to VDI
- Just like the ISO to VDMK.
- Run the Command prompt under the Administrative privilege
- Switch to the VirtualBox directory as we have done above.
- Type the same command which is VirtualBox convertfromraw filename.ISO filename.VDI
- The only change is the instead of writing VDMK extension write the .VDI extension
Same for VHD.
If you want to convert VDI to VDMK/VHD or VDMK to VDI or VHD to VDI/VDMK then use the same above command just instead. For example: To convert VDI to VDMK, the command will be
VBoxManage Convertfromraw C:USersRajDownlaodsxyz.VDI C:UsersRajDownlaodsxyz.VDMK
Convert Vhd To Iso Free
In the same for other files too you can use the VBoxManage tool for Virtual Hard disk images to convert.
Convert Vhd To Iso Image Converter
Other Tutorials: