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I am often asked if I have a backup of my Mac. And unfortunately for the person asking the question, I’m a little like the watchmaker who, when you ask him what time it is, he tells you how to make a watch. First the answer is definitely, “yes!”Women's Jazlyn Flat B01M1O2EX3 ParentRockport Women's Copley Lace up Winter Boot B01N9WBV7A 7.5 W US|Stone Leather In fact, I have 3 local backups of sorts.
I contend that you must have at least two different local backups, for two likely events:
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And if you have the two backups that I suggest below, you can recover from either event in just a few minutes to an hour or so.
So if you haven’t already, purchase two external hard drives. Nine Seven Patent Leather Women's Square Toe Chunky Heel Lace up Mid Calf Handmade Dress Boots B074759CHF 5 B(M) US|BlackThey should be the same storage capacity as the drive that you are backing up. I like the Lacie Thunderbolt drives for this purpose. But you may like another drive better, and that’s just fine. As long as the drives are reliable, your data will be safely stored for the day that disaster comes.
So without belaboring the point, I will tell you what my two backup systems and my bonus backup (my 3rd local backup).
- SuperDuper! – hard drive clone.
- Time Machine – Apple’s built-in backup system.
And my bonus local backup:
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- Sync to another Mac computer
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SuperDuper! is software that creates an exact bootable clone of your hard drive. You can find it at the Boombah Women's Squadron Turf Shoes - 14 Color Options - Multiple Sizes B079K46XVG 9|Royal/Red/White site. Let me tell you how this averted disaster for me on at least two occasions.
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A few years back, I had an iMac that began failing after running for an hour or so. For a few days, the time to failure got a little shorter. I had a backup, but wasn’t looking forward to putting everything back on a new hard drive. I knew that cloning a drive was theoretically possible, but I had never put it to the test.
I began by searching for software that would make an exact, bootable copy of the hard drive. Imagine Vince Camuto Women's Leight Pump B074XRPNFQ 9 B(M) US|CrimsonMy research turned up SuperDuper! I figured out that if I let the computer power down and cool off, it would run long enough to finish the cloning of the drive. That was fortunate, and not usually the way things work out.
I purchased an internal hard drive and connected it with an adapter that turns an internal drive into an external drive. Bonus:Madden Girl Women's Become Ankle Boot B074WQL49K 7 B(M) US|Black Paris. Nice.
Using SuperDuper!, I cloned the drive. When the clone finished, I rebooted the iMac and caused it to boot from the external drive.Naturalizer Women's Rozene Tall Boot B01MZ4LMDS 12 C/D US|Black Ontario Leather/Printed Croco To my amazement, although much slower than the internal hard drive, the computer booted up and I saw my desktop screen exactly as I expected. Every icon in place.Women Sandals Genuine Leather Soft Rubber Sole Basic Buckle Strap Size 34-43 Women's Summer Shoes SS168 B07CVR1ZF2 6.5 B(M) US|Champagne I tried a few programs to convince myself that I had indeed cloned the drive. All of my little tests worked perfectly.
To finish the job, I found an explanation of how to replace the internal iMac drive on YouTube. I removed the failing drive from my iMac and put the cloned in its place. I closed everything up and powered up.
The iMac was working exactly as before the change, only better. The hard drive was faster and had a higher capacity. Win win.
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This case, rather recently, made me glad that I follow my own rules of backing everything up (twice) before applying an OS X update. In this case, I was updating to El Capitan (OS X 10.11), so I made my usual SuperDuper! clone, as well as the Time Machine backup.
Upon installing the update, I got the spinning color wheel. After several attempts to restart the process, it stayed spinning over night. I made an appointment for the local Apple Genius Bar, hopefully they could help my finish the update.
They had never heard of a Retina Macbook Pro SSD drive failing–until that day. Apparently, by downloading the update,MT-onemix Women Men Awesome 3-in-1 Lightweight Athletic Rome Sneaker Shoes B07CN5B1KB 9.5 D(M) US=Foot Length 10.62"|Burgundy/White the drive accessed an area that had not previously been accessed. And so I was caught in a loop. The update had gotten to that spot where the old OS was no longer available,Pin Up Couture SIREN-06 Women 4" Heel 1/2 PF Slide W/Bow Accent B074F2MPM9 7 B(M) US|Blk-red Pat but the new OS had not been fully installed.
The Apple Genius asked if I had a backup. I smiled and simply said yes. I wanted to tell him all about my various backup procedures, but I refrained.
So, the procedure at this point was to replace the SSD drive. Drew Shoe Women's Paige Sneakers B00J36PGA6 11 2A(N) US|White LeatherWhen asked if I wanted them to restore from a backup, I declined. I knew that I might have better results with my SuperDuper! backup than with the Time Machine backup.
In this instance, where only the hard drive is being replaced, SuperDuper! is by far the easiest recovery. I followed the instructions on the Shirt-Pocket website:
- Boot from the external drive (a clone of my hard drive)
- Open SuperDuper! and tell it to restore everything
- Wait until SuperDuper! is done and quit.
- Shut down the computer
- Remove the external drive
- Boot the computer as normal
As I had experienced previously, everything came back exactly as it had been before the failure. I then updated to El Capitan without incident. I’m writing this post from that computer.
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In the case of a new computer, you probably don’t want a clone of the drive! Chaco Women's ZX2 Classic Athletic Sandal B072KG8FD1 5 B(M) US|Varsity PineYou’re getting the new OS X version, already installed in that computer. Aravon Women's Anstice-AR Boot B01AOVJGZE 6 UK/6 B US|Black.
Trust the Apple Time Machine to bring over all your settings and apps to the new computer.
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What was the third backup (of sorts) mentioned earlier? That’s the sync between my main computer and my travel computer.Chaco Women's ZX2 Classic Athletic Sandal B072QY4M1H 5 B(M) US|Creed GoldenThat’s the topic of another post. I’ll write that one soon. If you’re interested, ask about it in the comments below. I’ll gladly tell you what that third backup is all about. Hint: Women Mary Jane Platform Pumps Ankle Strap Stiletto High Heels Dress Shoes B06ZZH33GP 14 B(M) US|Dark Brown.
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Keep two backups of your computer:
- Time Machine