Re: Inexpensive archiving for tapeless media

[Bob Cole] "How can we interpret that very big range? I've assumed that we "really" get 400GB from an LTO-3 cartridge because our data is not compressible. True/false?"

Yes, assume the smaller number as you will never know how much of your footage will be compressed. If you use all image sequence (tiff et al) than your bit savings will go down considerably, but since you are most likely shooting to some form of tapeless compressed video, your bit savings won't be that much. You will save some on the audio. When making an LTO tape, I use a general rule not to stage any more than 780Gigs per tape. It's been fine so far. Cache-A also has tape spanning functionality, but I don't really use it.