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Let's talk about data backup options! Share your favorite ideas.

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Hoopz:
Instead of emailing myself documents, I've started uploading them to Google Docs.  My office uses the enterprise version which allows for greater storage capacity, but even a personal account comes with a gig.  That's small cookies compared to the sizes that you guys are talking about, but I've found it to be great for smaller files.  Heck, even opening a file with Google docs will allow you to open it again at a later time.

patrickl:

--- Quote from: smalltownguy on September 06, 2010, 09:20:33 am ---I'd really like to find some sort of program that will allow you to plug in an external hard drive and it will automatically 'sniff' pre-selected folders you choose and backup updated content. Anything that has not changed will be left alone, i.e. it doesn't need to be re-written. Then I'll just get in the habit of plugging in the external HD about every few days or so.

Anyone find a method like this that works?
--- End quote ---
I use rdiff-backup and rsync. Those synchronize two file systems and even keeps extra backups of changed files (if you want). That way you even keep a history of the file.

It even works over an internet connection (at least from my webservers it does)

If I remember correctly it calculates the CRC on both sides (server and client) and then only copies the files that actually changed. Saving a massive amount of network traffic. Of course it also works on two disks inside the same computer.

I usually have a RAID set for regular storage and add a single cheap SATA disk for rdiff backups.

I'm not sure if they have Windows or Mac versions of this yet. It's prety common on Unix based systems like file servers (NAS) and webservers though.

stace:
I have a couple of 2TB NW drives.

They hold my Photo's, Music, Docs, etc.  One is a copy of the other (I do it manually when I feel the need).  The second drive is kept at my sisters house.  At least in the event of something serious, she's a few miles away.

I work in IT so am not worried about automation and the headache that goes with it.  I am happy to spend a few hours, when I know there is a need, making the copy.

DaveMMR:
I've never worried too much about back-up because I don't have much unique data.  Maybe a couple of Gigs of pictures, that are duplicated across two hard drives and backed up on disc.   My music collection is only really 30 Gigs so that's on two separate drives and an old iPod.  Any unique movies I may have (i.e. stuff I edited myself) has at least 15 copies made into DVD-Video -- store bought DVDs can always be reripped if needed.  My Roms are duplicated for the sake of convenience (it wouldn't be a catastrophe if they were lost - only annoying).   Finally, all of above also gets put on an external drive occasionally.   

Looking at the thread's title, I'm thinking the OP is looking for something groundbreaking but it's really not so complicated anymore when you can buy thumbdrives and extra HD's for cheap.  It's almost a non-issue nowadays.  I do see some posters' have extensive data needs for their jobs and/or Hobbies, but for the average Joe (e.g. people I do computer jobs for), even a couple of burned data DVDs goes a long way.   

Malenko:
I used to run a mirriored RAID but meh, it was over kill. Now I just have a second drive in the MAME cab full of junk , a second drive in my PC full of junk, and a second drive in my media PC full of junk, so its just a different kind of redundancy

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