When trying to partition and format various USB hard drives, a number of users are getting errors in Disk Utility that states "Disk Erase failed with the error: POSIX reports: The operation couldn't ...
I swapped in a 320GB WD Scorpio Black HD to my MacBook yesterday. I used Carbon Copy Cloner to image the internal HD to my WD drive in a USB enclosure, then did the physical swap. To my surprise the ...
Your USB drive should be able to store and boot as many operating systems as its storage capacity allows.
Getting Lion from the App Store is convenient, but if you want a physical copy of the installation, you can easily make your own Lion install DVD or USB drive with Disk Utility. If you want to do a ...