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本来感觉ORACLE VM 很简单，没想到还是有点技术含量，
ORACLE VM 的性能还是很快，比VMWARE 的跑起来快了很多
现在把安装过程中的问题总结如下

安装ORACLE VM SERVER
- 这个安装没有什么特殊的，就象安装LINUX差不多，根据提示一路走下去就够了
- 特别注意一点，就是把/给大点，否则，在以后安装VM MANAGER 的时候会出现/空间不够的错误
- 还有一点，就是把swap 给足够大，否则，在安装VM MANAGER 的时候会出现SWAP太小的错误

ORACLE VM 安装WINDOWS2003 SERVER
- 根据ORACLE NOTE：750023.1
- 但出现Fails "virt-install: error: no such option: --hvm" 错误，解决方法参考NOTES：467579.1
- 特别注意一点NOTES：467579.1 中的CPU的类型问题，我用的是HP 的PC SERVER ，需要修改BIOS 的相关VM 的设置
- virt-install --hvm --name=WindowsServ03sp1 --ram=500 --bridge=xenbr0 --vif-type=ioemu --file /OVS/running_pool/WindowsServ03sp1/System.img --file-size=6 --vnc --vnclisten=0.0.0.0 --cdrom=/OVS/iso_pool/new/en_windows_server_2003_with_sp1_enterprise.iso

Starting install...
libvir: Xen Daemon error : GET operation failed:
Unable to connect to graphical console; DISPLAY is not set. Please connect to localhost:5902
Domain installation still in progress. You can reconnect
to the console to complete the installation process.

- 在WINDOWS 上用VNCVIEW 打开
$ vncviewer linux5.us.oracle.com:5902
这个说明不请，第一个VM 不需要加PORT 的
- TIP: Click help for a detailed explanation of this page.
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Subject: Installing Windows Guests on Oracle VM
Doc ID: 750023.1 Type: HOWTO
Modified Date : 16-NOV-2008 Status: PUBLISHED

In this Document
Goal
Solution
References

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

@ (AuthWiz 2.5.5)
@ Click here to edit in wizard.

Applies to:
Oracle VM - Version: 2.1.2 to 2.1.2
Information in this document applies to any platform.

Goal
To Install Windows Guests on Oracle VM.
Solution
1. Create a windows directory under /OVS/running_pool:
[root@linux5 running_pool]# mkdir WindowsServ03sp1
[root@linux5 running_pool]#

2. Using virt-install start the Windows install:
[root@linux5 running_pool]# virt-install --hvm --name=WindowsServ03sp1 --ram=500 --bridge=xenbr0 --vif-type=ioemu --file /OVS/running_pool/WindowsServ03sp1/System.img --file-size=6 --vnc --vnclisten=0.0.0.0 --cdrom=/OVS/iso_pool/new/en_windows_server_2003_with_sp1_enterprise.iso

Starting install...
libvir: Xen Daemon error : GET operation failed:
Unable to connect to graphical console; DISPLAY is not set. Please connect to localhost:5902
Domain installation still in progress. You can reconnect
to the console to complete the installation process.
[root@linux5 running_pool]#
3. Use vncviewer to continue install:
$ vncviewer linux5.us.oracle.com:5902

Then after pressing then to accept License.
You can press to continue install or partition disk as need be.

Chose Filesystem press to continue:

After this is complete the install will stop.

During the installation of Microsoft Windows? XP and Microsoft Windows? 2003 as hardware virtualized guests, the domain requires a restart and attempts to find the installation CDROM.

Oracle VM Server does not find the CDROM.

To workaround this problem:
a. Move the image configuration file to the windows directory (as we will edit this to import into VM Manager):
[root@test WindowsServ03sp1]# ls -l
total 599076
-rwxr-xr-x 1 root root 6442450944 Nov 14 16:16 System.img

[root@test WindowsServ03sp1]# cp /etc/xen/WindowsServ03sp1 `pwd`/vm.cfg

[root@test WindowsServ03sp1]# ls -l
total 599080
-rwxr-xr-x 1 root root 6442450944 Nov 14 16:16 System.img
-rw-r--r-- 1 root root 526 Nov 14 15:54 vm.cfg

[root@test WindowsServ03sp1]# more vm.cfg
# Automatically generated xen config file
name = "WindowsServ03sp1"
builder = "hvm"
memory = "500"
#disk = [ 'file:/OVS/running_pool/WindowsServ03sp1/System.img,hda,w', ]
#
disk = [ 'file:/OVS/running_pool/WindowsServ03sp1/System.img,hda,w',
'file:/OVS/iso_pool/new/en_windows_server_2003_with_sp1_enterprise.iso,hdc:cdrom,r',
]
#
vif = [ 'type=ioemu, mac=00:16:3e:31:75:b2, bridge=xenbr0', ]
uuid = "260d5aa9-1608-6520-432c-3bc943b12547"
device_model = "/usr/lib/xen/bin/qemu-dm"
kernel = "/usr/lib/xen/boot/hvmloader"
vnc=1
vncunused=1
vnclisten='0.0.0.0'
timer_mode=0
apic=1
acpi=1
pae=1
#
vcpus=1
serial = "pty" # enable serial console
on_reboot = 'restart'
on_crash = 'restart'
[root@jsobecki-linux5 WindowsServ03sp1]#
Restart the hardware virtualized guest with the xm create command. The installation continues.
[root@test WindowsServ03sp1]# xm create vm.cfg
Using config file "./vm.cfg".
Started domain WindowsServ03sp1
[root@test WindowsServ03sp1]#

- 通过以上修改WINDOWS安装将继续

- 如果原来是VMWARE 做成的IMMAGE ，想在ORACLE VM 上继续使用，参考467765.1

附加信息：

某些新电脑如果设置不好，可能会导致安装失败，不过这个问题其实是属于Oracle VM的Linux有点老的不能很好支持新硬件的问题。比如 我所遇到过的 联想 ThinkPad E8400/SATA硬盘就遇到安装失败的问题，后来解决办法如下：
1)在BIOS里面，需要把ACHI(SATA中)Disable；需要把CPU VT属性打开
2)安装需要在Boot:提示下输入 Linux acpi=off noapic
才能正确安装
3)启动的时候，要进入grub (enter)进行注入参数！