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Looks like a handy tool to calculate the required hard drive size to store videos from CC's in my art studio. Sometimes, I feel that one month archive isn't enough. I want to store more. I definitely should buy a new HHD. Your calculator has also confirmed this )

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60 days is another very popular archive depth.

In some countries, for some types of buildings, the archive depth can be regulated by law. These can be buildings with a requirement for anti-terrorist measures, for instance, including sports facilities, facilities with a mass presence of people, and railway striations / airports.

If you have multiple disks it does worth to use them in RAID5 or RAID6 array.

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