Partitioning an External Drive

Discussion in 'MacBook Pro' started by wayland1985, Mar 19, 2008.

  1. wayland1985 macrumors 6502

    Jan 16, 2008
    I'm trying to add a second partition to my external HD. It's a 250gb drive, with about 60gb of information on it.

    I want to add a 100gb partition for time machine use only. However, when I go into disk utility, it begins "Creating partion map", then it will stop, saying ERROR.

    Any ideas?
  2. andrewdale macrumors 6502a

    Jan 28, 2008
    Memphis, TN

    Have you tried completely wiping it clean, THEN partitioning it?
  3. wayland1985 thread starter macrumors 6502

    Jan 16, 2008
    I don't want to wipe it clean. There are some files on there that I can't lose, and I have nowhere else to put them at the moment.

    I actually just figured it out. Stupid old me didn't repair the disk first. Simple disk repair followed by a partition, and it worked wonderfully!

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