On Nov 5, 2008, at 2:36 PM, Bruce Johnson wrote: > > > On Nov 5, 2008, at 12:14 PM, Wilton Shaw wrote: > >>>> I made the smaller portion a full 80 GB. The used area is 38.53 GB >>>> and the free area is 41.47 GB, which adds up to 80 GB. The message >>>> I got said I needed 42.4 so the Time Machine wouldn't work. I think >>>> 41.47 GB is plenty of space to make a few upgrades. > > > Why do you have time machine set on the smaller volume? > > > The scheme is: > > Large drive: > > 80G partition: bootable backup partition, regularly clone system drive > here, using SuperDuper or CCC. > > 179G partition: Use for Time machine. > > Time Machine stores an ongoing incremental backup of your stuff, > including things you deleted, so you can always restore to a point in > time anywhere between the initial backup and the last backup. > > This means it will require a larger drive (depending on how much file > churn you have on your system) a MUCH larger drive than the volume > you're backing up. > > If the 179G partition is complaining it's out of space, then you need > a larger hard drive, or you need to reconsider using Time Machine. > > If your system is one where you routinely work on a bunch of large > projects that you move to your computer and then delete, making room > for the next large project, Time Machine is going to require a very > large volume, or Time Machine isn't actually a good solution for you. > > You can exclude folders in Time Machine's prefs, so if you constantly > churn large work files on and off your disk that are adequately backed > up on other media (such as video raw footage and final DVD's) you can > store that material in a folder you exclude from Time Machine. > > I exclude my Mail folders form TM because I have an IMAP mail > service...getting all my mail back is a simple matter of setting up > the account. So I don't back it up, which eliminates a huge area of > file churn that would rapidly eat away at Time Machine's space. > > -- > Bruce Johnson > University of Arizona > College of Pharmacy > Information Technology Group > > Institutions do not have opinions, merely customs > > I want to thank everyone for their helpful suggestions. I was doing the wrong thing. By using Superduper to update the small division and leaving the large division with the Time Machine, I resolved my problem.
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