![]() I therefore use either OSX or Linux normally. Older ones (like my 2006 MBP) will not boot Windows software from external USB without a boot loader. Your only consideration is what external device your Mac will boot from. I've used both methods and both work fine on all my Macs (and PCs). Just make sure your destination disk is as big or bigger as your internal one. None care about the data on the drive be it Windows or OSX or Linux and copy your partitions and partition table just fine. Or boot from Macrium repair disk (free Windows software) and clone it. There are dozens of applications you can run to do this or you can even buy hardware to do it.īoot from external drive and run one. It will someday spare you from considerable anguish, tears and gnashing of teeth.You want to clone your disk not image it. To have a Recovery partition on each of those drives can be priceless. Additional bootable drives is always a good thing. In addition to Hone (backup! backup! backup!) stone's sage and ubiquitous advice, always practice "CYA" because it's better to have a plan and not need it than to need a plan and not have it. On your final screenshot, I see that CCC notifies you that the clone "should be bootable." "Should" is operative here and you should verify that it will boot your system just to be on the safe side.Īnd any time you create a new clone, always choose the option of creating a Recovery Partition just so you have an additional layer of "insurance" in the event your system befalls a really weird, unexplainable crisis. What matters here is that you now indeed have a bootable clone. ![]() However, you should still have been able to clone directly from Drive 1 (or whatever startup drive) and gotten a bootable clone. Purposely defragmenting a drive, most especially a SSD, will drastically shorten its life.Īnd, yes, macOS does defragment drives in the background without any assistance.Ĭlick to expand.I see you selected "Copy All Files" from the Destination pop-up. Third-party defragmenting apps are NOT beneficial, regardless of what the guys at TechTool or elsewhere may tell you. Believe me, it makes a difference in not only performance speed, but also lets macOS do its own thing in defragmenting the drive without resorting to a defragmenting program, which I discourage with extreme prejudice. I get nervous when I have anything less than 25% of free space available. If one is using a 1TB internal drive (HDD or SSD) and are approaching 850GB of used space, it's probably time to consider either getting a bigger drive or "offloading" a bunch of stuff to free up space. This is for both performance purposes as well as extending the useful life of any drive. And I further recommend that no one ever let a drive have less than fifteen percent of free space. This affords the user with ample space for storing a lot of "Safety Net" folders and need only be "pruned" when the clone begins getting crowded. I heartily recommend that the clone drive have at least twice the storage capacity of the drive being cloned. And they're in dated folders, so if one deletes a file (accidentally or otherwise) and then wants it back, all one need do is simply mount that volume (booting from it is unnecessary for this purpose) and then locating the file and dragging it back to your "home" drive or wherever you want. The "Safety Net" is a dedicated folder at the primary level of the clone which contains files which have been changed or even deleted since the previous cloning session. ![]() This is the best choice, especially if one is backing up to a drive which is much larger than the one being cloned. With CCC, I noticed Reesche had his "Safety Net" on. I keep "partial clones" of my system as well, and they're not bootable for security reasons and I keep offsite since I'm not going to ever discount the possibility of a fire wrecking everything. I'm blessed (or cursed, depending on one's perspective) with a whole box of 3.5" and 2.5" HDDs, some of which are in their own enclosures, but most I just plug into a dock I keep on my desk and can hot-swap to my heart's desire. But is it really paranoid if something bad has happened before, like losing a drive suddenly and catastrophically? There are some who might think I'm paranoid because I keep multiple clones of my Macs at all times.
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