= Xen GPU Cluster =
== 實作 一: 如何將Dom0上的顯示卡資源分配給DomU ==

== Hardware ==
||Machine|| Dell !OptiPlex 755
||Node|| 1 node
||CPU|| Intel(R) Core(TM)2 Quad CPU    Q6600  @ 2.40GHz
||Memory|| 6GB
||Storage|| 160GB
||Video Card|| NVIDIA !GeForce 9800GT 1GB

== Software ==
||OS!#1|| Ubuntu 8.10 with Kernel: 2.6.28 x86_64 (non-xen-patched kernel)
||OS!#2|| Ubuntu 8.10 with Kernel: 2.6.22-9 x86_64 (Xen-3.3.1+Lustre patched kernel)
[[BR]]

= Part 1 建構基本環境 =

== 步驟一: 連線到遠端主機 ==
# 以下兩種連線方式擇一使用. [[BR]]
rider@cloud:~$ ssh 140.xxx.xxx.xxx [[BR]]
rider@cloud:~$ vncviewer 140.xxx.xxx.xxx [[BR]]

== 步驟二: 產生一台虛擬機器來使用 CUDA ==

# 設定你想要怎樣規格的虛擬機器
rider@cloud:~$ sudo vim /etc/xen-tools/xen-tools.conf [[BR]]
{{{
dir = /home
install-method = debootstrap
size   = 8Gb      # Disk image size.
memory = 1024Mb    # Memory size
swap   = 128Mb    # Swap size
fs     = ext3     # use the EXT3 filesystem for the disk image.
dist   = hardy    # Default distribution to install. ---> For CUDA Support (Ubuntu 8.0.4)
image  = sparse   # Specify sparse vs. full disk images.
gateway   = 140.XXX.XXX.XXX
netmask   = 255.255.255.0
broadcast = 140.XXX.XXX.XXX
kernel      = /boot/vmlinuz-`uname -r`
initrd      = /boot/initrd.img-`uname -r`
mirror = http://gb.archive.ubuntu.com/ubuntu/
ext3_options   = noatime,nodiratime,errors=remount-ro
ext2_options   = noatime,nodiratime,errors=remount-ro
xfs_options    = defaults
reiser_options = defaults
}}}
rider@cloud:~$ sudo xen-create-image --hostname nvidia --ip 140.XXX.XXX.XXX [[BR]]

== 步驟三: 設定你的虛擬機器 ==
rider@cloud:~$ sudo vim /etc/xen/nvidia.cfg [[BR]]
{{{
kernel      = '/boot/vmlinuz-2.6.22.9'
ramdisk     = '/boot/initrd.img-2.6.22.9'
 
memory      = '1024'
vcpus       = '4'
pci         = ['01:00.0']

root        = '/dev/sda2 ro'
disk        = [
                  'file:/home/domains/nvidia/disk.img,sda2,w',
                  'file:/home/domains/nvidia/swap.img,sda1,w',
              ]
name        = 'nvidia'
 
#
#  Networking
#
vif         = [ 'ip=140.xxx.xxx.xxx,mac=00:16:3E:AA:70:5C' ]
 
#
#  Behaviour
#
on_poweroff = 'destroy'
on_reboot   = 'restart'
on_crash    = 'restart'
}}}


== 步驟四:  ==

== 步驟五:  ==

== 步驟六:  ==