CentOS 5
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Configure GuestOS
[1] Configure GuestOS
[root@ns ~]#
mount /dev/Xen/www00 /mnt

[root@ns ~]#
cd /lib/modules

[root@ns modules]#
cp -a 2.6.18-8.1.1.el5xen /mnt/lib/modules/

[root@ns modules]#
[root@ns ~]#
vi /mnt/etc/fstab


# default settings are done for HostOS environment like below

/dev/Xen/www00
/
ext3
defaults
1 1

LABEL=/boot
/boot
ext3
defaults
1 2

devpts
/dev/pts
devpts
gid=5,mode=620
0 0

tmpfs
/dev/shm
tmpfs
defaults
0 0

proc
/proc
proc
defaults
0 0

sysfs
/sys
sysfs
defaults
0 0

/dev/Xen/www04
/tmp
ext3
defaults
1 2

/dev/Xen/www02
/usr
ext3
defaults
1 2

/dev/Xen/www03
/var
ext3
defaults
1 2

/dev/Xen/www01
swap
swap
defaults
0 0

/dev/Xen/Host01
swap
swap
defaults
0 0


# change for GuestOS environment like below

/dev/hda1
/
ext3
defaults
1 1

devpts
/dev/pts
devpts
gid=5,mode=620
0 0

tmpfs
/dev/shm
tmpfs
defaults
0 0

proc
/proc
proc
defaults
0 0

sysfs
/sys
sysfs
defaults
0 0

/dev/hda5
/tmp
ext3
defaults
1 2

/dev/hda3
/usr
ext3
defaults
1 2

/dev/hda4
/var
ext3
defaults
1 2

/dev/hda2
swap
swap
defaults
0 0


[root@ns ~]#
vi /mnt/etc/sysconfig/network-scripts/ifcfg-eth0


# Broadcom Corporation NetXtreme BCM5751 Gigabit Ethernet PCI Express
DEVICE=eth0
BOOTPROTO=static
BROADCAST=192.168.0.255
# make it comment

#
HWADDR=00:13:72:0F:00:80
IPADDR=192.168.0.18
IPV6ADDR=
IPV6PREFIX=
NETMASK=255.255.255.0
NETWORK=192.168.0.0
ONBOOT=yes

[root@ns ~]#
vi /mnt/etc/sysconfig/selinux


# line 6: change

SELINUX=
disabled


[root@ns ~]#
vi /mnt/etc/modprobe.conf


alias eth0 tg3
alias scsi_hostadapter ahci
# add driver for xen

alias eth0 xennet


[root@ns ~]#
vi /mnt/etc/ld.so.conf.d/libc6-xen.conf


# add

hwcap 0 nosegneg


[root@ns ~]#
umount /mnt

[root@ns ~]#
vi /etc/xen/www


# kernel

kernel
= "/boot/vmlinuz-2.6.18-8.1.1.el5xen"

# initrd

ramdisk
= "/boot/initrd-2.6.18-8.1.1.el5xen.img"

# memory

memory
= "512"

# name

name
= "www"

# virtual CPUs

vcpus
= "2"

# NICs

nicks
= "1"

# mac address

vif
= [ 'mac=00:16:3e:00:00:11,bridge=xenbr0' ]

# disk

disk
= [ 'phy:Xen/www00,hda1,w',

'phy:Xen/www01,hda2,w',
'phy:Xen/www02,hda3,w',
'phy:Xen/www03,hda4,w',
'phy:Xen/www04,hda5,w' ]
# root partition

root
= "/dev/hda1 ro"

# run level 3

extra
= "3"


[root@ns ~]#
xm create -c www
# start


# success to boot guestOS if following prompt is shown

www.server-linux.info login:

# following messages are displayed endlessly, so login and execute following command
  ( input command even if follwoing message is shown )

printk: 170 messages suppressed.
4gb seg fixup, process pcscd (pid 1266), cs:ip 73:00bbd8b6

[root@www ~]#
[root@www ~]#
shutdown -r now


www.server-linux.info login:
# boot normally
[2] Set initial configurations first.
[3] Backup guestOS in order to add new guestOS easily and quickly if needed.
# push Ctrl + ]

[root@www ~]#
# switch to HostOS

[root@www ~]# [root ~]#
# shutdown Guest

[root@ns ~]#
xm shutdown www

[root@ns ~]#
mount /dev/Xen/www00 /mnt

[root@ns ~]#
cd /mnt

[root@ns mnt]#
tar czvf root.tgz *

[root@ns mnt]#
mv root.tgz /root/

[root@ns mnt]#
[root@ns ~]#
umount /mnt

[root@ns ~]#
mount /dev/Xen/www02 /mnt

[root@ns ~]#
cd /mnt

[root@ns mnt]#
tar czvf usr.tgz *

[root@ns mnt]#
mv usr.tgz /root/

[root@ns mnt]#
[root@ns ~]#
umount /mnt

[root@ns ~]#
mount /dev/Xen/www03 /mnt

[root@ns ~]#
cd /mnt

[root@ns mnt]#
tar czvf var.tgz *

[root@ns mnt]#
mv var.tgz /root/

[root@ns mnt]#
[root@ns ~]#
umount /mnt

[root@ns ~]#
total 372120
-rw------- 1  root  root
1333
Apr 15 18:39  anaconda-ks.cfg

-rw-r--r-- 1  root  root
18026
Apr 15 18:39  install.log

-rw-r--r-- 1  root  root
2889
Apr 15 18:39  install.log.syslog

-rw-r--r-- 1  root  root
60396721
Apr 15 18:39  root.tgz

-rw-r--r-- 1  root  root
299138604
Apr 15 18:39  usr.tgz

-rw-r--r-- 1  root  root
88646338
Apr 15 18:39  var.tgz

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