Setting up Xen Dom0 kernel 2.6.31.12 on OpenSuse 11.2

Barracuda 2010. 6. 9. 16:06

Setting up Xen Dom0 kernel 2.6.31.13 on OpenSuse 11.2

* Installation methods are as follows

(1) Binary tarball from xensource.com(xen-3.x.x-install.tgz)

(2) RPM download and install

(3) Online Package installation by zypper or yast or yast2(software installation)

(4) From source

- Xen source(make dist-xen,...) / Kernel source+patch(Patch & make modules_install & modifying grub)

- Xen source / Custom kernel source(make ARCH=xen xconfig, ...)

* Must-have softwares

(1) bridge-utils(brctl,...)

(2) hotplug system(mostly in Linux udev)

(3) Build utils and related(gcc, binutils, GNU make, zlib, python)

1. Check virtualization env. if needed

# rpm -qa | egrep "(xen|virt)" | sort

2. Disable SElinux if installed

3. Install xen related packages and build tools

(Or install RPMs by yast, yast2 GUI interface...If U r lucky enough).

# zypper search xen*

# zypper install xen xen-devel xen-doc-html xen-doc-pdf xen-libs xen-tools xen_server

# zypper install make gcc gcc-c++

3-1. Or, install xen by building source like this...

# wget http://bits.xensource.com/oss-xen/release/3.4.2/xen-3.4.2.tar.gz

# tar -xvzf xen-3.4.2.tar.gz

# cd xen-3.4.2

# zypper install dev86 => essential to build !!

# make dist-xen dist-tools dist-stubdom

# make install-xen install-tools install-stubdom

3-2. Download Vanilla kernel source & xen patch

# cd /usr/src

# wget http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.31.12.tar.bz2

# tar xvjf linux-2.6.31.12.tar.bz2

# mv linux-2.6.31.12 linux-2.6.31.12-xen-byMe

# wget http://gentoo-xen-kernel.googlecode.com/files/xen-patches-2.6.31-10.tar.bz2

# mkdir xen-patches-v10_2.6.31.12

# cd xen-patches-v10_2.6.31.12

# tar xvjf ../xen-patches-2.6.31-10.tar.bz2

# cd ../

# cd linux-2.6.31.12-xen-byMe

# for i in `ls ../xen-patches-v10_2.6.31.12/`; do patch -p1 < ../xen-patches-v10_2.6.31.12/"$i"; done

3-3. Copy original kernel config file for convenience

# cp /boot/config-2.6.31.xx-generic .config

* curses lib will be required...

# make menuconfig => Set each items exactly !

-----------------------------------------------

Processor type and features --->

[*] Enable Xen compatible kernel

Networking support --->

Networking options --->

<*> 802.1d Ethernet Bridging

Device Drivers --->

XEN --->

[*] Privileged Guest (domain 0)

<M> Backend driver support

<M> Block-device backend driver

<M> Block-device tap backend driver

<M> Block-device tap backend driver 2

<M> Network-device backend driver

<M> PCI-device backend driver

<M> SCSI backend driver

<M> USB backend driver

<*> Block-device frontend driver

<*> Network-device frontend driver

<M> SCSI frontend driver

<M> USB frontend driver

<*> Framebuffer-device frontend driver

<*> Keyboard-device frontend driver

[*] Disable serial port drivers

<*> Export Xen attributes in sysfs

Xen version compatibility (3.3.0 and later) --->

3.3.0 and later

-----------------------------------------------

3-4. Xenifying Kernel - Make & install

# export CONCURRENCY_LEVEL=5

# make => maybe some hours ... --;

# make modules

# make modules_install

# make install

* If using mkinitramfs,

# mkinitramfs -o /boot/initrd.img-2.6.31.12-xen-byMe 2.6.31.12-xen-byMe

* Or if mkinitrd,

# depmod -a 2.6.31.12-xen-byMe

# mkinitrd /boot/initrd-2.6.31.12-xen-byMe.img 2.6.31.12-xen-byMe

3-5. Now, edit Grub menu

# vi /boot/grub/menu.lst

Title Xen 3.4.2 - Kernel 2.6.31.12 on OpenSUSE 11.2

kernel /boot/xen.gz dom0_mem=512000

module /boot/vmlinuz-2.6.31.12-xen-ByMe ...

module /boot/initrd-2.6.31.12-xen-byMe.img <= Add this line

4. Reboot the system by Grub menu - Xen kernel

# chkconfig --add xend

# chkconfig xend on

# /etc/init.d/xend start

# chkconfig --add xendomains

# chkconfig xendomains on

# /etc/init.d/xendomains start

# chkconfig --add libvirtd

# chkconfig libvirt on

# /etc/init.d/libvirtd start

5. Check if Xen dom0 system is correctly set up

# ps aux | egrep "(xen|virt)" | sort

...xenwatch, xenbus, xend, HalDaemon.py, xenstored, xencolsoled, libvirtd, ...

All done, now test it by creating VMs.

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Setting up Xen Dom0 kernel 2.6.31.12 on OpenSuse 11.2

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