Best Storage Solution For Video Surveillance System?

I would say a 1000gig / 1TB hard drive

Then also burn what you need on to a dual layer dvd disk.

100gig a day is a lot. Is there no way you could compress the files or quality.

Dvd quality usualy records at 4gig per 120mins.

If you compressed it to vhs quality then you should fit more on any disk.

On TV dvd recorders theres HQ SP LP ESP which compess the video quality without much loss in quality

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The only way you could realistically keep it these days is to have several terabytes of storage space. This is relatively cheap now though. Get yourself a good SAN solution and sleep peacefully.

It entirely depends upon how much history you need to keep available.

I have about the same number of cameras, though I only take one or two frames per second, 365 days a year. I do 24 frames a second only out of hours and only on motion. I have a few years worth of storage on a handful of 250 gigabyte hard drives.

HD DVD