Xen/Running Xen

From Gentoo Linux Wiki

< Xen
Jump to: navigation, search


Virtualization TOC


Virtual pc.png

After you have created DomUs, reboot your PC. Select your Xen option in grub. You should see the Xen hypervisor booting


 \ \/ /___ _ __   |___ / / _ \     __| | _____   _____| |
  \  // _ \ '_ \    |_ \| | | |__ / _` |/ _ \ \ / / _ \ |
  /  \  __/ | | |  ___) | |_| |__| (_| |  __/\ V /  __/ |
 /_/\_\___|_| |_| |____(_)___/    \__,_|\___| \_/ \___|_|

 http://www.cl.cam.ac.uk/netos/xen
 University of Cambridge Computer Laboratory

 Xen version 3.0-devel (portage@edesix.com) (gcc version 3.3.6 (Gentoo 3.3.6, ssp-3.3.6-1.0, pie-8.7.8)) Tue Sep  6 17:30:34 BST 2005
 Latest ChangeSet:

(XEN) Physical RAM map:
(XEN)  0000000000000000 - 00000000000a0000 (usable)
(XEN)  00000000000f0000 - 0000000000100000 (reserved)
(XEN)  0000000000100000 - 000000003fe8cc00 (usable)
(XEN)  000000003fe8cc00 - 000000003fe8ec00 (ACPI NVS)
(XEN)  000000003fe8ec00 - 000000003fe90c00 (ACPI data)
(XEN)  000000003fe90c00 - 0000000040000000 (reserved)
(XEN)  00000000f0000000 - 00000000f4000000 (reserved)
(XEN)  00000000fec00000 - 00000000fed00400 (reserved)
(XEN)  00000000fed20000 - 00000000feda0000 (reserved)
(XEN)  00000000fee00000 - 00000000fef00000 (reserved)
(XEN)  00000000ffb00000 - 0000000100000000 (reserved)
......

Once the Hypervisor has loaded, it will boot your kernel. You should see something like:

(XEN) Scrubbing Free RAM: ...........done.
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to Xen).
Linux version 2.6.12.5-xen (root@funky.edesix.com) (gcc version 3.3.6 (Gentoo 3.3.6, ssp-3.3.6-1.0, pie-8.7.8)) #2 Tue Sep 6 18:30:28 BST 2005
BIOS-provided physical RAM map:
 Xen: 0000000000000000 - 0000000006000000 (usable)
96MB LOWMEM available.
On node 0 totalpages: 2

Followed by the usual kernel boot messages. Log in as normal. Congratulations, you now have a domain 0 Xen kernel up and running!

You need to activate the Xen control daemon to start the domUs.

# /etc/init.d/xend start
 * Starting Xen control daemon ...
Personal tools