Xen On Funtoo From Scratch

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STUB - WORK IN PROGRESS

Hardware Configuration

  • VGA: Nvidia GeForce 9800 GT
  • CPU: Intel Core i7 3770
  • Motherboard: DQ77MK

Used Software

  • Dom0 OS: Funtoo GNU/Linux distro (derrived from gentoo).
  • Kernel: 3.4.4
  • Xen: 4.2.0-unstable rev 25099
  • DomU OS: Windows XP SP3


Reference documentation

Make bootable USB

Make partitions

   # fdisk -l /dev/sdb  
   
   Disk /dev/sdb: 8422 MB, 8422162432 bytes
   239 heads, 47 sectors/track, 1464 cylinders, total 16449536 sectors
   Units = sectors of 1 * 512 = 512 bytes
   Sector size (logical/physical): 512 bytes / 512 bytes
   I/O size (minimum/optimal): 512 bytes / 512 bytes
   Disk identifier: 0x0008aec7
   
      Device Boot      Start         End      Blocks   Id  System
   /dev/sdb1   *        2048    16449535     8223744    b  W95 FAT32

Install MBR

   # dd if=/usr/share/syslinux/mbr.bin of=/dev/sdb
   0+1 records in
   0+1 records out
   440 bytes (440 B) copied, 0.0190098 s, 23.1 kB/s


Make fat32 filesystem

   # mkdosfs -F32 /dev/sdb1 
   mkdosfs 3.0.9 (31 Jan 2010)

Download Gentoo LiveCD iso

Go to http://www.gentoo.org/main/en/where.xml ; pick mirror you like and download install-amd64-minimal-[0-9]*.iso, for example - this one: 

   wget http://distfiles.gentoo.org/releases/amd64/autobuilds/current-iso/install-amd64-minimal-20120621.iso

Mount gentoo LiveCD

   # mkdir -p /mnt/cdrom/
   # mount -o loop install-amd64-minimal-20120621.iso /mnt/cdrom/
   mount: warning: /mnt/cdrom/ seems to be mounted read-only.


Mount usb stick

   # mkdir -p /mnt/usb/
   # mount /dev/sdb1 /mnt/usb/


Copy contents of LiveCD to usb stick

   # cp -aR /mnt/cdrom/* /mnt/usb/
   # mv /mnt/usb/isolinux/* /mnt/usb
   # mv /mnt/usb/isolinux.cfg /mnt/usb/syslinux.cfg
   # rm -rf /mnt/usb/isolinux*
   # mv /mnt/usb/memtest86 /mnt/usb/memtest
   # sed -i \
        -e "s:cdroot:cdroot slowusb:" \
        -e "s:kernel memtest86:kernel memtest:" \
        /mnt/usb/syslinux.cfg


Unmount medias

   # umount /mnt/cdrom/
   # umount /mnt/usb/

Install syslinux

   note guide # syslinux /dev/sdb1


Boot from USB-stick

If in trouble, try following gentoo handbook

Install Funtoo

Once booted, do this:

Partition hard drive

   # gdisk -l /dev/sda  
   GPT fdisk (gdisk) version 0.8.4
   
   Partition table scan:
     MBR: protective
     BSD: not present
     APM: not present
     GPT: present
   
   Found valid GPT with protective MBR; using GPT.
   Disk /dev/sda: 1953525168 sectors, 931.5 GiB
   Logical sector size: 512 bytes
   Disk identifier (GUID): DDF92951-E1C2-4138-B01C-71051D08D1FB
   Partition table holds up to 128 entries
   First usable sector is 34, last usable sector is 1953525134
   Partitions will be aligned on 2048-sector boundaries
   Total free space is 2014 sectors (1007.0 KiB)
   
   Number  Start (sector)    End (sector)  Size       Code  Name
      1            2048           67583   32.0 MiB    EF02  BIOS boot partition
      2           67584         1091583   500.0 MiB   8300  Linux filesystem
      3         1091584        17868799   8.0 GiB     8200  Linux swap
      4        17868800      1953525134   923.0 GiB   8E00  Linux LVM


Setup LVM

   # pvcreate /dev/sda4 
     Writing physical volume data to disk "/dev/sda4"
     Physical volume "/dev/sda4" successfully created
   # vgcreate data /dev/sda4 
     Volume group "data" successfully created
   # lvcreate -L40G -n root data
     Logical volume "root" created
   # lvcreate -L40G -n winxp data
     Logical volume "winxp" created

Setup Filesystems

   # mkfs.ext3 /dev/sda2
   # mkswap /dev/sda3 
   # mkfs.ext4 /dev/data/root

Mount filesystems

   # mkdir /mnt/funtoo
   # mount /dev/data/root /mnt/funtoo/
   # mkdir /mnt/funtoo/boot
   # mount /dev/sda2 /mnt/funtoo/boot/
   # cd /mnt/funtoo/

Setup networking inside of LiveUSB OS

   # /etc/init.d/dhcpcd start

Download Funtoo stage3 distribution

   # wget http://ftp.osuosl.org/pub/funtoo/funtoo-current/x86-64bit/corei7/stage3-current.tar.xz

Unpack Funtoo distribution

   # tar xJpf stage3-current.tar.xz

Chrooting

   # mount --bind /dev/ /mnt/funtoo/dev/
   # mount --bind /proc/ /mnt/funtoo/proc 
   # cp /etc/resolv.conf /mnt/funtoo/etc/
   # chroot /mnt/funtoo/

Syncing

   # emerge --sync

Configure Funtoo

/etc/fstab

   # <fs>			<mountpoint>	<type>		<opts>		<dump/pass>
   
   /dev/sda2		/boot		ext3		defaults	1 2
   /dev/sda3		none		swap		sw		0 0
   /dev/data/root		/		ext4		noatime		0 1

/etc/localtime

   # cp /usr/share/zoneinfo/Europe/Moscow /etc/localtime

/etc/make.conf

   ACCEPT_KEYWORDS="~amd64"
   CHOST="x86_64-pc-linux-gnu"
   CFLAGS="-march=corei7 -O2 -pipe"
   CXXFLAGS="-march=corei7 -O2 -pipe"
   SYNC="git://github.com/funtoo/ports-2012.git"
   
   USE="X xinerama"
   
   VIDEO_CARDS="nvidia"
   
   MAKEOPTS="10"

Install system-wide services

   # echo "sys-boot/boot-update" >> /etc/portage/package.unmask
   # echo "sys-devel/automake" >> /etc/portage/package.unmask
   # emerge -av eix lvm2 grub bridge-utils vixie-cron syslog-ng logrotate =sys-boot/boot-update-1.6.2
   # eix-update
   # rc-update add lvm default
   # rc-update add vixie-cron default
   # rc-update add syslog-ng default
   # rc-update add sshd default
   # rc-update add dhcpcd default
   # passwd

Install Kernel

   # emerge -av gentoo-sources

Configure kernel

   # cd /usr/src/linux
   # make menuconfig



   General setup  --->
      <*> Kernel .config support
         [*]   Enable access to .config through /proc/config.gz
   
   Processor type and features  ---> 
      [*] Paravirtualized guest support  ---> 
         [*]   Xen guest support
   
   [*] Networking support  --->
      Networking options  --->
         <*> 802.1d Ethernet Bridging    
   
   Device Drivers  ---> 
      [*] Block devices (NEW)  --->
         <*>   Xen virtual block device support
         <*>   Xen block-device backend driver
   
   Device Drivers  ---> 
      [*] Network device support  --->
         [*]   Ethernet driver support (NEW)  ---> 
            [*]   Intel devices (NEW)
            < >     Intel(R) PRO/100+ support
            < >     Intel(R) PRO/1000 Gigabit Ethernet support
            <*>     Intel(R) PRO/1000 PCI-Express Gigabit Ethernet support
            < >     Intel(R) 82575/82576 PCI-Express Gigabit Ethernet support
            < >     Intel(R) 82576 Virtual Function Ethernet support
            < >     Intel(R) PRO/10GbE support
            < >     Intel(R) 10GbE PCI Express adapters support
            < >     Intel(R) 82599 Virtual Function Ethernet support
            [ ]     Intel (82586/82593/82596) devices
            <*>     NetXen Multi port (1/10) Gigabit Ethernet NIC
   
   Device Drivers  ---> 
      [*] Network device support  --->
         <*>   Xen network device frontend driver
         <*>   Xen backend network device
        
   Device Drivers  ---> 
      Xen driver support  ---> 
         [*] Xen memory balloon driver (NEW) 
         [*]   Scrub pages before returning them to system (NEW) 
         <*> Xen /dev/xen/evtchn device (NEW) 
         [*] Backend driver support (NEW) 
         <*> Xen filesystem (NEW) 
         [*]   Create compatibility mount point /proc/xen (NEW) 
         [*] Create xen entries under /sys/hypervisor (NEW) 
         <*> userspace grant access device driver (NEW) 
         <*> User-space grant reference allocator driver (NEW) 
         <*> xen platform pci device driver (NEW)
         <*> Xen ACPI processor
   
   File systems  --->
      <*> Ext3 journalling file system support
      <*> The Extended 4 (ext4) filesystem
      [*]   Use ext4 for ext2/ext3 file systems (NEW)
      [*]   Ext4 extended attributes (NEW)

   # make -j 10
   # make install
   # make modules_install

Install initramfs

   # mkdir /root/initramfs
   # cd /root/initramfs/
   # git clone git://github.com/slashbeast/better-initramfs.git
   # cd better-initramfs
   # bootstrap/bootstrap-all
   # make prepare
   # make image 
   # cp output/initramfs.cpio.gz /boot/

Configure bootloader

   # grub-install --no-floppy /dev/sda

/etc/boot.cfg

   boot {
       generate grub
       default "Funtoo Linux XEN"  
       timeout 3 
   }
   
   "Funtoo Linux" {
       kernel vmlinuz[-v]
       initrd /initramfs.cpio.gz
       params += root=/dev/data/root lvm
   }
   
   "Funtoo Linux XEN" {
       type xen
       xenkernel xen.gz
       kernel vmlinuz[-v]
       initrd /initramfs.cpio.gz
       params += root=/dev/data/root lvm
   }

Update

   # boot-update

Booting in new system

When booting, select regular (non-XEN) kernel at the first time. It is because we don't have XEN userspace tools to operate with yet. 

   # reboot

Install xen 4.2-unsable

Get current Nvidia flash ROM

   # wget http://www.davidgis.fr/download/nvflash_5.100.1_usb.iso.tar.bz2
   # tar xvf nvflash_5.100.1_usb.iso.tar.bz2
   # dd if=nvflash_5.100.1_usb.iso of=/dev/sdb
   
   # reboot

Boot from USB stick

   C:\> nvflash.exe --save vgabios.rom

Boot back to the system

Choose non-xen kernel again

Install XEN 4.2

   # emerge -av mercurial
   # rev=25099; hg clone -r $rev http://xenbits.xensource.com/staging/xen-unstable.hg/ xen-unstable.hg-rev-${rev}
  • install winxp
  • integreate
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