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This section lists the types of disks that can be used by Parallels virtual machines and provides the information about basic operations that you can perform with these disks.
Supported Types of Hard Disks
Parallels virtual machines can use either virtual hard disks or Boot Camp partitions as their hard disks.
Virtual Hard Disks
The capacity of a virtual hard disk can be set from 100 MB and up to 2 TB.
Virtual hard disks can be of either plain, or expanding format. When you create a virtual machine in Express Windows or Typical mode (in the New Virtual Machine assistant), the disk is created in the expanding format.
plain |
A plain virtual hard disk image file is stored on your host computer and has a fixed size. The size is determined when such a disk is created. Plain disks can be created with the help of New Virtual Machine assistant (the Custom mode.) |
expanding |
An expanding virtual hard disk image file is stored on your host computer and is small initially. Its size grows as you add applications and data to the virtual hard disk in the guest OS. |
Split disks
A virtual disk of either format can be a single-piece disk or a split disk. A split disk is cut into 2 GB pieces and is stored as a single .hdd file.
Boot Camp Partitions
With Parallels Desktop, you can choose how to use your Boot Camp Windows XP or Windows Vista operating system: to boot in it natively (via Boot Camp) or in a virtual machine (via Parallels Desktop). A Boot Camp Windows partition can be used as a bootable disk or as a data disk in Parallels virtual machines.
Note: You cannot create snapshots or use the Undo Disks option for a virtual machine that uses the Boot Camp partition.
CD/DVD Discs and Their Images
Parallels Desktop can access real CD/DVD discs and images of CD/DVD discs.
Parallels Desktop has no limitations on using multisession CD/DVD discs. Virtual machine can play back audio CDs without any limitations on copy-protected discs.
If your host computer has a recordable optical drive, you can use it to burn CD or DVD discs in a virtual machine.
Parallels Desktop supports CD/DVD disc images in ISO, CUE, and CCD formats.
Note: DMG disk images made with Mac OS X Disk Utility are also supported by Parallels Desktop. When creating such an image, make sure you create a read-only and uncompressed image without any encryption.
Floppy Disks and Floppy Disk Images
Parallels Desktop can use two types of floppy disks:
.fdd extension connected to the virtual machine.Parallels Desktop treats floppy disk images like real diskettes. Parallels Desktop supports floppy disk image files that have .fdd extension and 1.44 MB size.
With Parallels Desktop, you can also create an image of a blank floppy using Floppy Disk pane of the Virtual Machine Configuration dialog.
Note: Parallels Desktop cannot create images of real diskettes.