If you've only got 22GB left on a 500GB drive it's also likely that the
22GB available is badly fragmented which means lots of head motion to
find and use the available space. You could defrag it but that might
just be a stop gap measure.
An analogous situation might be you and 9 of your buddies are going to a
football game where the stadium has a 500 car parking lot. You're each
going to drive your own cars since you all have to go different
directions after the game. You'd really prefer that everyone be able to
park close together so you can easily find each other and you'd also
like to be close the exit for a fast getaway. But when you get there
you find there are already 480 cars in the lot and the 20 available
spots are scattered all over. You first all have to spend a lot of time
trying to find an empty spot and then more time trying to get yourselves
back into a group.
Contrast that with the situation where you arrive to find only 20 cars
in the lot and 480 empty spaces. You know instantly where to go, all
park together near the exit and waste no time getting your group together.
Defragging the drive is analogous to moving the cars in the lot around
to put all of the available 20 spots together. Emptying the lot is, of
course, clearing the junk out or else buying a larger drive.
Chuck Norcutt
On 9/27/2010 7:08 AM, Bob Whitmire wrote:
> Thanx for all the help on the slow computer questions. I think answer
> 1 is more memory. Answer 2, after exploring the system, is a better
> scratch system. I've been using a second hard drive, but it's also
> got backup stuff on it, and there's only 22 gigs of free space left.
> I suspect CS4 is having to access a 1.5 TB external drive for scratch
> when I work on those large layered files. Answer 3 will be a new
> video card, if there's any money left over after 1& 2.<g>
>
> Looks like I can get out of this for a lot less than the price of a
> new computer, though I did notice somewhere, including B&H, that Mac
> Pros are being configured and offered as strictly photo processing
> machines, and they don't have nearly the firepower you might think
> you're going to need.
>
> --Bob Whitmire www.bobwhitmire.com
>
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