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FREE CLONING SOFTWARE FOR WINDOWS TO CLONE A MAC DRIVE HOW TO
FREE CLONING SOFTWARE FOR WINDOWS TO CLONE A MAC DRIVE PC

I had a good 256 Gigabyte Solid State Drive still lying around from an old PC and decided to replace the slow SSD of the new PC with the fast SSD of the old. It had a good amount of space, 512 Gigabytes, but as soon as write processes would start, it would slow down things on the entire system considerably. I bought a new Windows 11 PC this week for Office work and noticed that the Solid State Drive was slowing things down. The method should work on devices running previous versions of Windows as well. $ sudo dd of=/dev/disk2 if=/Users/mike/diskimage.img bs=64k ⇐ copy image to diskġ20040980480 bytes transferred in 3474.This guide walks you through the steps of cloning the system disk (or any other disk) of a Windows 11 PC for free.

$ diskutil list /dev/disk2 (external, physical): The dd command is almost the same, but if and of are reversed.

You also need enough local disk space for the image.Īnother option, if you can concurrently attach both disks, it to copy directly: sudo dd if=/dev/disk2 of=/dev/disk3 bs=64k This will take a long time, and there is no progress bar. Unmount of all volumes on disk2 was successful $ diskutil unmountDisk /dev/disk2 ⇐ unmount the source disk $ diskutil list ⇐ list attached disks and partitions /dev/disk2 (external, physical):Ġ: FDisk_partition_scheme *120.0 GB disk2 Open Terminal, identify the disk and unmount it:

If the following warning appears, click Ignore: You can use this procedure with any drive: eq, to clone an MGC Compact Flash from one with a known password.

You can check progress, while the command is running, by pressing Ctrl-T.

Specifying a larger block size (bs=1m) doesn't seem to make much difference, though YMMV!.

Using /dev/rdisk# (raw disk) in place of /dev/disk# is much faster.

Be VERY careful with if (input file) and of (output file).

If you can attach both disks, copy directly (much quicker): sudo dd if=/dev/disk2 of=/dev/disk3 bs=64k.

Make sure the destination has enough space for the disk image, eg, equal to (or greater than) the source.

If the copy fails due to disk errors, try using the following command at step 3:ĭd if=/dev/disk2 of=/Users/mike/diskimage.img conv=noerror,syncĭd will take much longer using this option, errors are written as NUL bytes. The second dd command is almost the same, but if and of are reversed. Sudo dd of=/dev/disk2 if=/Users/mike/diskimage.img Attach and identify the destination disk ⇒Ħ. Sudo dd if=/dev/disk2 of=/Users/mike/diskimage.imgĤ. If the installation has primary and backup signalling servers, clone one at a time to avoid service interruption. Make a working copy of a Signalling Server hard disk This option can often recover a dead hard drive, or an unreadable file, but it does not repair the error. If the operation stops with an I/O error, try to salvage all readable data with conv=noerror,sync.

conv=noerror,sync tells dd to be fault-tolerant and ignore read errors (optional).

bs=n sets both input and output block size (optional, default=512 byte blocks).

of= specifies output path (file, or device).

if= specifies input path (file, or device).

There's also a freeware version of dd for Windows available, with instructions.

FREE CLONING SOFTWARE FOR WINDOWS TO CLONE A MAC DRIVE HOW TO

How to clone a hard disk or USB stick in the terminal.ĭd (disk duplication) is a Mac OS X command-line utility which can read raw data off a disk, even if the Mac doesn't understand the filesystem.