Thanks Lee, what a help.....uh it should be illegal for any one person to know so much.
John On May 2, 2009, at 11:47 AM, Lee Larson wrote: > On May 2, 2009, at 7:49 AM, Rick Burnett wrote: > >> I have the previous generation Airport Extreme (not the latest) and >> have a macbook, a macbook air, and a macbook pro all backing up to >> a 1TB drive attached to it via USB. > > This will work up to a point, but can be dangerous unless you take > care. Time Machine works by creating a sparse image file on the > backup drive for each machine you are backing up. The initial > virtual size of the image file seems to be the same as that of the > backup drive. This means Time Machine always thinks it has enough > room in each individual image to fill the whole backup drive from > each machine. Bad things happen after the sum of the actual sizes of > the sparse image files reaches the size of the backup disk. > > This is why Apple discourages you from backing up more than one > machine to a single Time Capsule volume. > > The only ways I know to do this are to either shrink the virtual > size of the sparse image with hdiutil or partition the backup drive. > > > > _______________________________________________ > The next Louisville Computer Society meeting will > be May 26 at MacAuthority, 128 Breckinridge Lane. > Posting address: MacGroup@erdos.math.louisville.edu > Information: http://www.math.louisville.edu/mailman/listinfo/macgroup _______________________________________________ The next Louisville Computer Society meeting will be May 26 at MacAuthority, 128 Breckinridge Lane. Posting address: MacGroup@erdos.math.louisville.edu Information: http://www.math.louisville.edu/mailman/listinfo/macgroup
