[Xen-ia64-devel] Boot steps for DomainU

["Yang, Fred" <fred.yang@xxxxxxxxx>]

People are asking how to boot DomainU, so here is --

1. Follow
http://lists.xensource.com/archives/html/xen-ia64-devel/2006-03/msg00362
.html to build the Xen and Domain0/U binary

2. Follow DomainU image creation steps described bellow

3. Create boot config file for DomainU

4. Follow DomainU boot steps bellow

-Fred


=================
DomainU image creation steps 

1. make file 
# dd if=/dev/zero of=/root/rhel4.img bs=1M count=4096 
# mke2fs -F -j /root/rhel4.img 
# mount -o loop /root/rhel4.img /mnt 
# cp -ax /{dev,var,etc,usr,bin,sbin,lib} /mnt 
# mkdir /mnt/{root,proc,sys,home,tmp} 

2. modify DomU's fstab 
# vi /mnt/etc/fstab 
         /dev/hda1 / ext3 defaults 1 1 
         none /dev/pts devpts gid=5,mode=620 0 0 
         none /dev/shm tmpfs defaults 0 0 
         none /proc proc defaults 0 0 
         none /sys sysfs defaults 0 0 

3. modify inittab (runlevel and tty) 
# vi /mnt/etc/inittab 
    id:3:initdefault: 
# Run gettys in standard runlevels 
    1:2345:respawn:/sbin/mingetty tty0<<<<<<<add this line 
    2:2345:respawn:/sbin/mingetty tty1 
    3:2345:respawn:/sbin/mingetty tty2 
    4:2345:respawn:/sbin/mingetty tty3 
    5:2345:respawn:/sbin/mingetty tty4 
    6:2345:respawn:/sbin/mingetty tty5 
    7:2345:respawn:/sbin/mingetty tty6 

add tty0 into /etc/securetty 
# vi /mnt/etc/securetty (add tty0)<<<<<<<<add this line 

umount 
# umount /mnt 

===================
DomainU Config file

# vi /etc/xen/xmexample 
kernel = "/boot/vmlinux-2.6.12-xenU" 
memory = 256 
name = "rhel4" 
nics=0 
disk = [ 'file:/root/rhel4.img,hda1,w' ] 
root = "/dev/hda1 ro" 
extra = "3" 

===================
DomainU Boot Steps

1. After booting Xen with Domain0 XenLinux from
http://lists.xensource.com/archives/html/xen-ia64-devel/2006-03/msg00362
.html 
2. xend start
3. Start DomainU by
    xm create -c /etc/xen/xmexample 

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