Greetings to all you surfers out there. I wanted to visit a topic that I most likely will not only visit often as time marches onward, but write about a bunch too, and that is backing up your data. Most folk don’t like to think about the bad things that might happen to your precious computer(s). This applies to home users and big time data center folk alike. I have found backups and the true art of backing up data to be one of the most mis-understood, under utilized and under appreciated art forms out there.
Lots of people don’t think about backups for one thing. Another is they have that “it won’t happen to me” mentality. Well, I have seen more than my share of drives fail, and brothers and sisters, it dang sure can happen to you. In fact, I have seen two statistical anomalies/impossibilities in the last couple of years alone, and that was two separate servers, made by two separate vendors, that at two separate times, had two drives fail at the same time. This took out a RAID 5 array on one server, and a mirror on the other. Luckily though, my team knows and understands backups so it was really a non-event, we pulled the data off of tape and were back in business. Aaah, but if there wasn’t a good backup!!??
Another thing, I see folk (usually management) that don’t “get” backups. They think it’s some automagic thing that just happens because the backup operator pressed a button marked “Backup Your Stuff Now By Pressing This Button”. Well kids, it ain’t that easy. There are lots of factors and hurdles to think about and overcome when it comes to backing up your data, again that’s true whether it’s your home PC or a whole server floor full of machines. I’ll get into all of this later, but for now I just wanted to get the topic out in the lime light, and try to remind everyone that they need to backup their stuff!
One quick tip that I have for desktop users, like folk at home or in small offices. Go grab you an external hard drive, one that connects to your PC with the USB interface. That way you can turn it on when you need it, and simply copy all of your important stuff onto it. You can get software even, that will do the copy jobs for you. Some have nice features that track changes, compress and sort your files. That’s all well and good, but it’s not required. As long as you have a copy of the stuff that you need somewhere, you will be doing much better, and be much more worry and stress free when (notice I said when, not if) your main hard drive decides to go belly up.
Doing backups is how I got my first sysadmin job at sls. Ha! 🙂
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You da man Mack. I don’t think sls will survive without ye!
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