ramdisk: Specifies the initial ramdisk for the domain. If your kernel has
built-in drivers for your root file system and hard disk, you may not need
to create and specify a ramdisk. This is provided as a complete path to the
location of the initrd file.
memory: Specifies the amount of RAM, in megabytes, that is allocated
for the domain. Insufficient memory allocation will prevent the domain
from starting up. You must also ensure that the total memory taken by
Xen??”both dom0 and all the domUs??”must be less than or equal to the
amount of physical RAM present in your machine.
name: Provides a unique name to identify the domain. This name will be
be displayed when you list the domains running on the system.
root: Specifies the root device for the domain.
disk: Specifies a list of block devices that is exported to the domain. This
is provided in the following the format:
disk = [ "backend device", "frontend device", "mode" ]
The "backend device" specifies the format and name of the device that will
be exported to the guest domain. The format can be a simple file image or
an actual physical disk. A file image is exported to the guest domain as a
file-based VBD by Xen. This is the format that we will use in this chapter as it
is the simplest and quickest way to get started with Xen. In Chapter 6 we will
look at other forms of storage for Xen domains:
file://path_to_the_file_image: The file image is
exported as a loopback device. The setup of the loopback
device is taken care of by Xen.
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