All new drives have bad sectors, this scrubbing will remove most of them and make for a much more reliable backup. If the scrubbing of the drive fails, try again and if it fails, the drive is bad and needs to be exchanged. Warning: Formatting a drive or partition erases all data. 6 users Secure erase Zero all Data) or move the slider for a 0x-3x secure erase (SSD's not needed), OS X Journaled/GUID as the format and a name like "Mac10.6Clone" (different than the internal drive) and click apply. Click on the external drive on the left and click Erase, (10. (say "no" to TimeMachine, use another drive for that).
Once the drive is de-Filevaulted it can be cloned.Ĭonnect the new drive to the Mac and open Disk Utility in the Utilities folder. To de-Filevault your drive will likley require 50% or more free space available to write all the unencrypted bits. If you have Filevault enabled on your boot drive, then this User Tip has no further use for you, sorry. Get a self powered and not a Mac port powered drive! Why? Because Mac's can cut off external hardware drawing too much power which can cause issues trying to boot from the clone. If maintaining a pure clone, then the same size or slightly larger than your primary boot drive will do. If you like the idea of saving the differences between the clone updates, then get a much larger drive. (if so) So later it will be bootable backup (clone) of that new drive. Get a external hard drive equal to or larger than the drive you intend to replace the internal one with. Problems with not enough space for a BootCamp partition and how cloning/reverse cloning can resolve thatīootCamp: "This disc can not be partitioned/impossible to move files." Read this for the differences, advantages and disadvantages of TimeMacine and other backup systems. How cloning/reverse cloning using CCC can defrag and optimize your boot hard drive (SSD's no effect) Create a data recovery/undelete external boot drive If you need to make a new/clean bootable system on a external drive to reverse clone with
Clone a mac drive software#
Made before disaster strikes, it's a real lifesaver!Ĭloning is a bootable backup system, it doesn't fix issues in software
It can be used for backup, moving to a larger drive, moving your users to a new Mac (using Migration Assistant), defragmenting and optimizing the system (with reverse clone), shifting data up on hard drives to make more room for BootCamp or another partition (reverse clone) or as a data recovery/undelete boot drive.
Clone a mac drive how to#
This is a step by step instruction how to make and boot a bootable clone of your OS X system.