fajar

Part 2, converting HVM guest to PV guest
#=======================================================================

First we need to install kernel-xen with correct initrd
- yum install kernel-xen
- edit /boot/grub/menu.lst so it looks like this
#=================================================
default=0
timeout=5
serial --unit=0 --speed=9600
terminal --timeout=5 serial console
title CentOS (2.6.18-128.1.6.el5xen)
	root (hd0,0)
	kernel /vmlinuz-2.6.18-128.1.6.el5xen ro root=/dev/VolGroup00/LogVol00 console=xvc0
	initrd /initrd-2.6.18-128.1.6.el5xen.img
title CentOS (2.6.18-128.el5)
	root (hd0,0)
	kernel /vmlinuz-2.6.18-128.el5 ro root=/dev/VolGroup00/LogVol00 console=ttyS0 ide0=noprobe
	initrd /initrd-2.6.18-128.el5.img
#=================================================

- edit /etc/sysconfig/kernel so it looks like this
#=================================================
UPDATEDEFAULT=yes
DEFAULTKERNEL=kernel-xen
#=================================================

- edit /etc/modprobe.conf so it looks like this
#=================================================
alias eth0 xennet
alias scsi_hostadapter xenblk
#=================================================

-recreate initrd
cd /boot
mv initrd-2.6.18-128.1.6.el5xen.img initrd-2.6.18-128.1.6.el5xen.img.bak
mkinitrd -v --builtin=xen_vbd --preload=xenblk initrd-2.6.18-128.1.6.el5xen.img 2.6.18-128.1.6.el5xen

Next we need to allow login from xvc0 (the default console)
- edit /etc/inittab and add a line like this near the end
#=================================================
xvc:2345:respawn:/sbin/agetty xvc0 9600 vt100-nav
#=================================================

- add "xvc0" to the end of /etc/securetty
- shutdown domU

Next we start the PV domU

- create PV domU config. Mine looks like this
#=================================================
memory = "500"
maxmem = "8000"

vcpus=8
vcpu_avail=1

disk =	[
	'phy:/dev/rootVG/testlv,hda,w',
	]
vif =	[
	'mac=00:16:3E:49:CA:65, bridge=br6',
	]
vfb =['type=vnc,vnclisten=0.0.0.0']
bootloader="/usr/bin/pygrub"
#=================================================

- startup domU, connect to it's console (xm create -c ...)

#=======================================================================
End of part 2