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How to Crash-Proof Your Digital Life

by Zack on November 9, 2009

in How To

Image by wonderferret

Your hard drive just crashed and you lost everything…

10 years of fam­ily pho­tos, movies, spread­sheets with all your sales fig­ures, email, music and more were instantly con­signed to noth­ing­ness. Worst of all, much of it was irre­place­able. And now it’s gone—as in gnashing-of-teeth and rending-of-garments gone.

Usu­ally when this hap­pens I get a pan­icked call and I’m asked if there’s any­thing I can do to recover the data. My first ques­tion, of course…

“How old is your last backup?”

You already know the answer, don’t you…

“I never backed it up.”

Here’s the thing, I don’t blame you one bit…

For years, I’ve watched hard dri­ves crash and peo­ple lose really valu­able stuff. Com­put­ers have got­ten faster and dri­ves have got­ten big­ger. We’ve devel­oped cooler new tech that allows us to cap­ture and store more of our life on disk and so we put ever more valu­able data on our com­put­ers every year.

The prob­lem is that back­ing up our com­put­ers has always been a soul-crushingly bor­ing, com­plex and irri­tat­ing process. And even if we did take a stab at it, we dis­cov­ered that fre­quently, to our great dis­may, when we actu­ally needed the backup we thought we were suc­cess­fully mak­ing, it wasn’t there because of the, wait for it… “weird glitch” that inevitably hap­pened and caused the backup to fail, or be unus­able. I can’t count the num­ber of times I’ve seen that.

So what if I told you that back­ing up your com­puter is no longer such a pain? In fact, it’s easy to make it almost impos­si­ble to lose a file ever again. Would you believe me? No? Well I accept your chal­lenge and I’m going to prove it to you by the end of this post.

First, Let’s Be Per­fectly Clear

Before I show you the tools I use to guar­an­tee my data’s safety, there’s one thing I think you really need to know as a con­sumer of com­puter technology.

All hard dri­ves fail. It’s just that some­times, a drive lasts long enough to become obso­lete and shelved as a dust catcher before it causes you eter­nal suffering.

Here’s a bet­ter way to think about your hard drive…

Most hard dri­ves will give you about 3 years of use­ful life, some a lit­tle more, some a lot less. The prob­lem is, you never know which drive you just purchased.

And you can’t rely on the MTBF! I’ll explain…

There’s a lit­tle thing called MTBF and you’ll see that writ­ten in the small print on the hard drive itself, or the box it came in. It means Mean Time Between Fail­ures and it fre­quently has a huge num­ber after it. That num­ber LOOKS big, but it’s actu­ally an aver­age of how many hours many other hard dri­ves like this one have lasted before they failed. Or is it… ?

Divide by 24 and again by 365 and it usu­ally comes out to about 114 years. What?!! Didn’t I say dri­ves might last 3–5 years?! Yet the man­u­fac­tur­ers are giv­ing us some very opti­mistic, dreamy esti­mates of drive life, apparently.

It turns out that the MTBF rat­ings are pos­si­bly grossly inflated and are yet another rea­son you can’t use that as a reli­able esti­mate of hard drive life.

On top of that, you can’t deter­mine that a drive is OK even if it’s passed a cer­tain min­i­mum burn-in period and it’s still work­ing. Accord­ing to a hard drive study done in 2007 by by Bianca Schroeder and Garth Gib­son of Carnegie Mel­lon University…

…results were con­trary to the wide­spread IT belief in burn-in, where most prob­lems with any drive (or elec­tronic device, really) will be expe­ri­enced at the very begin­ning of its life cycle (Schroeder and Gib­son called this the “infant mor­tal­ity effect”). Instead, the study showed that fail­ures start off in the first few years and grow, rather than start­ing after a wait of five years or so, which was expected.”

But That’s Not All…

Envi­ron­men­tal fac­tors such as exces­sive heat or cold, cig­a­rette smoke, actual time pow­ered on and fre­quency of drop­ping from a ten story build­ing onto a con­crete slab will all change the MTBF rat­ing; some­times dra­mat­i­cally. (See also, Hard Disk MTBF: Flap or Farce?)

POINT: The manufacturer’s sug­gested lifes­pan of your hard drive is based on a sta­tis­ti­cal aver­age and is NOT a guar­an­tee. Some hard dri­ves last longer before their first fail­ure and sadly, some last a much shorter time and then die a hor­ri­ble, flam­ing death, with nasty, big, pointy teeth. This usu­ally seems to hap­pen in the mid­dle of your very first backup.

So again, it’s not a ques­tion of IF, but WHEN your hard drive will fail. And that, my friends IS a guar­an­tee. How can I know this? Well that’s easy. In this case entropy is on my side and I chal­lenge you to go up against that gig­gling warthog of doom any day.

And if your hard drive is encroach­ing upon the 3–5 year age range, you’re gam­bling with some mighty bad odds against you.

So what can you do? Here’s my basic plan for back­ing stuff up pain­lessly and auto­mat­i­cally every day.

The Backup Trifecta

MyBook1. Local auto­mated backup to a sec­ond exter­nal (or inter­nal, your choice) hard drive.

Get a good exter­nal hard drive that is dou­ble the size of the inter­nal drive you’ll be back­ing up. If your inter­nal drive is 500 MB, then get a 1000 MB drive. I find the MyBooks to be reli­able and well priced. My Book (West­ern Dig­i­tal) Exter­nal Hard Drives

SuperDuper-HeaderAddi­tion­ally, you will need an appli­ca­tion that will auto­mat­i­cally copy your data to this drive. If you’re on a Mac run­ning Leop­ard or Snow Leop­ard you can use Time Machine, but you will still want to make a bootable copy of your drive in addi­tion to this.

In order to make bootable back­ups for the Mac I rec­om­mend the appli­ca­tion Super Duper ($27.95) or if you really can’t afford it, you can use Car­bon Copy Cloner (free how­ever I’ve used both and pre­fer Super Duper for ease of use.).

For Win­dows, the most recent ver­sion of Acro­nis® True Image Home 2010 (free trial) should do the trick (ear­lier ver­sions did not cre­ate a true, bootable copy of a Win­dows hard drive). For a free backup alter­na­tive for Win­dows you might try XXClone.

2. Backup to a secure, off­site sys­tem over the Internet

header-mozy-logo

Use a secure, online backup option like Mozy. This will backup your entire drive auto­mat­i­cally in the back­ground and it’s easy to restore even after cat­a­strophic hard drive failure.

mobileme3. Backup key files and set­tings to a third online destination.

I use Apple’s mobileMe as an easy way to back up key files (Address Book, Mail set­tings, browser book­marks, etc.) Note that Win­dows users can also use mobileMe and it’s not just an iPhone sync tool. Alter­na­tively, you can get sim­i­lar func­tion­al­ity by using Google Sync Ser­vices, how­ever be fore­warned, it will be con­sid­er­ably more com­plex than Apple’s mobileMe and my goal here was to make things as easy as pos­si­ble. Also note that I haven’t tried this so YMMV. If you try it and have good luck with it, let me know.

BONUS (Insur­ance)

And finally, the extra insur­ance that brings it all together and pushes the suc­cess prob­a­bil­ity over the top in your favor… (yeah, OK, so it’s really a quad-fecta, but come on that sounds dumb so let’s just call this a bonus, shall we?)

dropbox_logo_homeUse an online file syn­chro­niza­tion appli­ca­tion like Drop­Box to auto­mat­i­cally syn­chro­nize your files and make them avail­able on any com­puter you use.

I love this web appli­ca­tion! This is great not only for back­ing up stuff, but keep­ing files syn­chro­nized across mul­ti­ple com­put­ers and loca­tions. You can also securely share huge files that you would never e-mail.

This post has got­ten a LOT longer than I antic­i­pated. The point though to sum up is this, use a series of backup mea­sures to mul­ti­ple net­works and media and you are almost guar­an­teed to never lose another file to chance.

Hope this was use­ful and, as usual, if you have ques­tions, leave them below in the com­ments and I’ll be sure to answer.

All the best!

–Zack

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