Installation guide

Add an additional entry to the “vif=” section of the configuration file similar to the one seen below.

vif = [ "mac=00:16:3e:2e:c5:a9,bridge=xenbr0",

"mac=00:16:3e:2f:d5:a9,bridge=xenbr0" ]

Make sure you generate a unique MAC address for the new interface. You can use the command

below.

# echo 'import virtinst.util ; print virtinst.util.randomMAC()' | python

After the guest has been rebooted perform the following step in the guest operating system. Verify the

update has been added to your /etc/modules.conf in Red Hat Enterprise Linux 3 or

/etc/modprobe.conf in Red Hat Enterprise Linux 4 and Red Hat Enterprise Linux 5. Add a new

alias for each new interface you added.

alias eth1 xen-vnif

Now test that each new interface you added make sure it is available inside the guest.

# ifconfig eth1

The command above should display the properties of et h 1, repeat the command for et h 2 if you

added a third interface, and so on.

Now configure the new network interfaces with redhat-config-network on Red Hat Enterprise

Linux 3 or system-config-network on Red Hat Enterprise Linux 4 and Red Hat Enterprise Linux

12.5.2. Virt ual St orage Devices

Perform the following steps to configure additional virtual storage devices for your guest.

Edit your guest configuration file in /etc/xen/YourGuestName replacing YourGuestName with the

name of your guest. The original entry may look like the one below.

disk = [ "file:/var/lib/libvirt/images/rhel5_64_fv.dsk,hda,w"]

Now, add an additional entry for your new physical device, LUN, partition or volume to the “disk=”

parameter in the configuration file. Storage entities which use the para-virtualized driver resemble the

entry below. The “ tap:aio” parameter instructs the hypervisor to use the para-virtualized driver.

disk = [ "file:/var/lib/libvirt/images/rhel5_64_fv.dsk,hda,w",

"tap:aio:/var/lib/libvirt/images/UserStorage1.dsk,xvda,w" ]

If you want to add more entries just add them to the “ disk=” section as a comma separated list.

Note

You need to increment the letter for the 'xvd' device, that is for your second storage entity it

would be 'xvdb' instead of 'xvda'.

⁠Chapt er 1 2 . Xen Para- virt ualiz ed Drivers

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