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I want to protect my iPhoto library by uploading it to an offsite location via the internet and keeping it up to date there. The problem is it is a single 20 GB file, I don't want every import or edit to result in another 20 GB upload to the server. Any suggestions?

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Are you sure that the library only uses one file? –  seanyboy Sep 7 '09 at 13:26
    
OK - I got it. It's the iPhoto Library file. Looks like it's a package file (not sure why) –  seanyboy Sep 7 '09 at 13:42

3 Answers 3

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Any backup system that knows about Macs and HFS+ should be able to work with the iPhoto Library "file" to do incremental backups.

As others have already noted, it isn't actually a single file. It's a package, much like most of your applications, which just appears in the Finder as a file for convenience -- my guess is because in earlier versions of iPhoto people kept moving files inside the library around and them complained when iPhoto broke.

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I think I understand your question a bit better now.

iPhoto keeps its photos in what appears to be a single huge file called "iPhoto Library" I don't know if this is a file or a folder, but you can treat it like a folder.

If you right click on this file and choose "Show Package Contents", you'll be able to see your photos as separate files.

Right Click on the "Modified" Folder (or if this doesn't exist - right click on the year folders), and choose "Make Alias"

Drag this alias folder into a "backup" folder, then repeat for the "original" or other yearly folders.

You'll then have access to your pictures as if they were files in folders, and these can be copied / backed up as per normal.

Also - And I'm not 100% sure if this would work - If you dragged the alias to your dropbox, then changes to your iPhoto library would be synchronised offsite automatically on an image by image basis.

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Is this a specific offsite location or can you use an offsite backup service such as Mozy? Mozy performs a differential backup after the first, so it won't upload the whole 20GB every time.

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