How to delete the files from computer and keeping them in the iPod properly

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Originally posted by dummybert
Hi guys,

I want to remove the songs from my computer because I just have 30Gb in my computer and 40Gb in my iPod.

What's the best way to remove the songs from the computer and keeping them in the iPod? I've thought about burning some DVDs with the songs, and removing the "Auto Sync" option of the iPod. Is this enough?
That should work fine, just make sure you burn a data disc(s) of your music files. This will retain the ID3 tags you have in your music files. The setting on the iPod you need is "Manually manage songs and playlists". This setting gives you full manual control over what songs exist on the iPod.

Originally posted by dummybert
And more important:

Will the songs in the DVD keep the songs' information (if I like them, comments, how many times I've heard them, album photo and so) and the playlists? The information is not in the mp3 files, so I guess that I should copy the iTunes music library file (is that information there?)
Yes, you should probably backup the two iTunes Music Library files as well. Ratings and Playcounts are stored there. I'm honestly not sure where iTunes stores Playlists.

Originally posted by dummybert
After deleting the songs from the HDD. If I want to add a new album, I should sync the iPod to iTunes. Can I do this without synching the whole library? (I shall loose almost everything). I know I can synch only some lists, but what about an album that is not included in any list?
As long as you're in the "Manually manage songs and playlists" setting you have nothing to worry about.

You might also want to read through the iPod 201 article titled iPod Synchronization and Using your iPod as a Hard Drive:
http://www.ipodlounge.com/articles_more.php?id=5029_0_8_0_M