Syncing Dj Laptop to another peer Laptop Questions

[unit]

Question for the masses. I have searched both here and online and I feel like I am missing something.

Here is my question
I am a wedding dj, and my main laptop has about 300gig of music on it. I have it backed up in 3 places as the norm, on my desktop, on an external and in the cloud. I use traktor, but i use my itunes playlists instead of the traktor playlists for a few reasons. Itunes is easier for me to create separate playlists for each gig (special songs, dinner music, party music etc) and it serves as a backup incase i cant get traktor to function correctly for what ever reason. I can still plug and play with itunes. With that said, what I am looking to do is mirror my dj library to an alternate PC in case of completely laptop failure, i have a laptop I can pick up and use just as the main laptop.

I downloaded crashplan but that seems to complicated for what I am after. Is there something out there that will take my itunes library, and probably my traktor TSI's and sync them to a peer laptop for redundancy? I am looking for something push button but understand that wishes do not always come true..

how do you create redundancy in your dj laptop/music space?

[DJAdeSands]

What I do, which might seem a bit old fashioned, is:
Update the music on a bi-weekly basis, and once the music's been updated, then copy the music to a backup lappy (over wifi at home). Both machines have the same playlists on Traktor and so, backing up the collection is a regular job too. The file trees are identical, and well organised, and it's just a matter of copying the new month onto the backup machine, and adding the tracks to Traktor later, takes about 10/15 mins every time. Have a network shortcut to the DJ folder on the backup machine, and vice versa, log into the other machine, copy the folder across, done.

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[unit]

Do you use any software for that or just click and drag to an external point, then from the external point to the secondary laptop?

[DJAdeSands]

The directory trees are identical so just drag the new folder into the corresponding one on the backup.

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