Tip 350Move Time Machine to a Larger Disk

If you use Time Machine, you might find the backup disk beginning to get full. You’ll know this because OS X will start to warn you that it’s deleting old backups to make space. The solution is to buy a bigger disk. Migrating your Time Machine backups to the new disk is easy. Here’s how. (These tips assume the disk is new and blank.)

  1. Attach the new backup disk directly to your computer’s port, rather than via a hub, to make the whole process of swapping backup disks much faster. Try to have a free USB/FireWire port on your computer ready for attaching to the old backup disk (although you shouldn’t do so at this stage).

  2. You’ll need to partition and format the new disk in a Mac-compatible way. Many commercial ...

Get Mac Kung Fu, 2nd Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.