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2 At Domain0, type xm info to view the amount of memory that is available on
3 Run YaST > Boot Loader.
4 Select the Xen section.
5 In Additional Xen Hypervisor Parameters, add dom0_mem=mem_amount
6 Restart the computer to apply the changes.
2.2.2 Setting a Minimum Amount of Memory
To set a minimum amount of memory for Domain0, edit the dom0-min-mem param-
eter in the /etc/xen/xend-config.sxp file and restart Xend. For more informa-
tion, see Section 5.2, "Controlling the Host by Modifying Xend Settings" (page 36).
2.3 Network Card in Fully Virtualized
In a fully virtualized guest, the default network card is an emulated Realtek network
card. However, it also possible to use the split network driver to run the communication
between Domain0 and a VM Guest. By default, both interfaces are presented to the
VM Guest, because the drivers of some operating systems require both to be present.
When using SUSE Linux Enterprise, only the paravirtualized network cards are available
for the VM Guest by default. The following network options are available:
emulated
To use a "emulated" network interface like an emulated Realtek card, specify
(type ioemu) in the vif device section of the Xend configuration. An example
configuration would look like:
12
Virtualization with Xen
the machine. The memory that is currently allocated by Domain0 can be deter-
mined with the command xm list.
where mem_amount is the maximum amount of memory to allocate to Domain0.
Add K, M, or G, to specify the size, for example, dom0_mem=768M.
Guests
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