Mac OS X 10.6 Help


Time Machine Icon

Disks that can be used with Time Machine

You can use Time Machine with a Time Capsule, and with USB and FireWire disks. The backup disk can be directly connected to your computer or be on a network. If the backup disk has been divided into partitions, you can use one of the partitions.

Time Machine can’t back up to an external disk connected to an AirPort Extreme, or to an iPod, iDisk, or disk formatted for Windows. (You can use the Backup utility to copy specified files to your iDisk. For more information, see the MobileMe website.)

If your backup disk is on a network, the network server must use Apple File Protocol (AFP) file sharing, and both your computer, and the networked backup disk, should have Mac OS X 10.5.6 or later.

The most common format for a Time Machine backup disk is Mac OS Extended format, but Time Machine also supports Mac OS Extended (Case sensitive, Journaled) and XSan formats.

If the disk is partitioned using the Master Boot Record (MBR) partition type, some partitions may not be available for use with Time Machine. The GUID Partition Table (GPT) or Apple Partition Map (APM) partition types are recommended.


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