> I am getting this message although I have plenty of memory on my 1.2 TB ( 375 GB remain)
> and my 500 GB (39GB) -
Actually, you're not talking about memory -- you're talking about storage. Memory is RAM.
Second, your drives aren't as free as you think. The rule is that you need 10 per cent free, barest minimum, not to mention the fact that a 500GB drive usually only has 492GB or so of actual usable space. So your 500GB drive has sailed over already and will start causing you problems, not just within Final Cut Pro. Free up some space; you should have no more than 450GB on that drive.
Finally, are you using Capture Now? Check System Settings - Scratch Disks for the options "Minimum Allowable Space on Disk" and "Limit Capture Now to". The former governs how much of a safety cushion FCP will allow. Don't ever set this to 0; filling up a drive to 100 per cent full will most likely fry it. Most people use 1000-3000MB) when capturing. The latter ("Limit Capture Now"
governs how much free space is allocated when using Capture Now. If you set this up to high, FCP will hog a huge amount of disk space on your designated Scratch Disk the minute you click Capture Now, because it has no idea when you'll stop the Capture Now. Leave this at 30 minutes or so, ideally.
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