xen虚拟化实战系列(一)之xen虚拟化环境安装

原创作品,允许转载,转载时请务必以超链接形式标明文章  原始出处 、作者信息和本声明。否则将追究法律责任。 http://koumm.blog.51cto.com/703525/1284516

xen目前还是RHEL/CentOS/OEL5.X支持情况比较好。RHEL6.X就默认不支持了,但是也可以通过安装xen的源进行安装。本文采用OEL5.8 x64进行环境配置。今后将发布一个系列的纯文本配置xen实战配置文章,这里不讨论半虚拟化,完全虚拟化等概念,只讲实战,以此对xen学习做一个总结。

 

xen虚拟化实战系列文章列表

xen虚拟化实战系列(一)之xen虚拟化环境安装
xen虚拟化实战系列(二)之xen虚拟机安装
xen虚拟化实战系列(三)之xen虚拟机复制
xen虚拟化实战系列(四)之xen虚拟机扩展磁盘空间一法
xen虚拟化实战系列(五)之xen虚拟机扩展磁盘空间再一法
xen虚拟化实战系列(六)之xen虚拟机破解密码

xen虚拟化实战系列(七)之xen虚拟机VNC访问配置

xen虚拟化实战系列(八)之xen虚拟机开机自启动配置
xen虚拟化实战系列(九)之xen虚拟机时间配置
xen虚拟化实战系列(十)之xen虚拟机双网卡配置

xen虚拟化实战系列(十一)之xen虚拟机磁盘文件挂载

xen虚拟化实战系列(十二)之xen虚拟机高可用之在线迁移

xen虚拟化实战系列(十三)之xen虚拟机集中管理之convirt

CentOS6.x安装xen4.2虚拟化实践

http://koumm.blog.51cto.com/703525/1536666 

1. 操作系统安装 

采用OEL5.8 X64安装,安装过程中选中图形界面,开发包,开发库,老的软件开发包等,其它都不选。 

OEL下载地址大全: http://koumm.blog.51cto.com/703525/1283801

# uname -a   
Linux oradb 2.6.18-308.el5 #1 SMP Sat Feb 25 12:40:07 EST 2012 x86_64 x86_64 x86_64 GNU/Linux 

 

2. 配置yum源 

说明:通过安装源进行安装是最简单的。 

# cd /etc/yum.repos.d    
# wget http://public-yum.oracle.com/public-yum-el5.repo
# vi public-yum-el5.repo 

#将对应的enable改为1,如下图所示 

1

Oracle Enterprise linux(OEL)官方yum源配置   
http://koumm.blog.51cto.com/703525/1283867

 

3. yum安装xen 

# yum install kernel-xen xen-libs xen virt-viewer   

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Loaded plugins: rhnplugin, security
This system  is  not registered  with  ULN.
ULN support will be disabled.
el5_latest                                                                                              |  1.4  kB      00 : 00
el5_latest/primary                                                                                      |   16  MB      01 : 20
el5_latest                                                                                                          11750 / 11750
ol5_UEK_base                                                                                            |  1.2  kB      00 : 00
ol5_UEK_base/primary                                                                                    |  685  kB      00 : 03
ol5_UEK_base                                                                                                              28 / 28
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package kernel-xen.x86_64  0 : 2.6 . 18 - 348.16 . 1.0 . 1 .el5  set  to be installed
---> Package virt-viewer.x86_64  0 : 0.0 . 2 - 3 .el5  set  to be updated
--> Processing Dependency: libvirt.so. 0 (LIBVIRT_0. 0.3 )(64bit)  for  package : virt-viewer
--> Processing Dependency: libvirt.so. 0 (LIBVIRT_0. 0.5 )(64bit)  for  package : virt-viewer
--> Processing Dependency: libgtk-vnc- 1.0 .so. 0 ()(64bit)  for  package : virt-viewer
--> Processing Dependency: libvirt.so. 0 ()(64bit)  for  package : virt-viewer
---> Package xen.x86_64  0 : 3.0 . 3 - 142 .el5_9. 3  set  to be updated
--> Processing Dependency: python-virtinst  for  package : xen
--> Processing Dependency: bridge-utils  for  package : xen
--> Processing Dependency: libSDL- 1.2 .so. 0 ()(64bit)  for  package : xen
---> Package xen-libs.i386  0 : 3.0 . 3 - 142 .el5_9. 3  set  to be updated
--> Processing Dependency: libext4fs.so. 2  for  package : xen-libs
--> Processing Dependency: liblzma.so. 0  for  package : xen-libs
---> Package xen-libs.x86_64  0 : 3.0 . 3 - 142 .el5_9. 3  set  to be updated
--> Processing Dependency: libext4fs.so. 2 ()(64bit)  for  package : xen-libs
--> Running transaction check
---> Package SDL.x86_64  0 : 1.2 . 10 - 9 .el5  set  to be updated
---> Package bridge-utils.x86_64  0 : 1.1 - 3 .el5  set  to be updated
---> Package e4fsprogs-libs.i386  0 : 1.41 . 12 - 3 .el5  set  to be updated
---> Package e4fsprogs-libs.x86_64  0 : 1.41 . 12 - 3 .el5  set  to be updated
---> Package gtk-vnc.x86_64  0 : 0.3 . 8 - 3 .el5  set  to be updated
---> Package libvirt.x86_64  0 : 0.8 . 2 - 29.0 . 1 .el5_9. 1  set  to be updated
--> Processing Dependency: cyrus-sasl-md5  for  package : libvirt
--> Processing Dependency: ebtables  for  package : libvirt
---> Package python-virtinst.noarch  0 : 0.400 . 3 - 13.0 . 1 .el5  set  to be updated
--> Processing Dependency: libvirt-python >=  0.2 . 1  for  package : python-virtinst
---> Package xz-libs.i386  0 : 4.999 . 9 - 0.3 .beta.20091007git.el5  set  to be updated
--> Running transaction check
---> Package cyrus-sasl-md5.x86_64  0 : 2.1 . 22 - 7 .el5_8. 1  set  to be updated
--> Processing Dependency: cyrus-sasl-lib =  2.1 . 22 - 7 .el5_8. 1  for  package : cyrus-sasl-md5
---> Package ebtables.x86_64  0 : 2.0 . 9 - 5 .el5  set  to be updated
---> Package libvirt-python.x86_64  0 : 0.8 . 2 - 29.0 . 1 .el5_9. 1  set  to be updated
--> Running transaction check
--> Processing Dependency: cyrus-sasl-lib =  2.1 . 22 - 5 .el5_4. 3  for  package : cyrus-sasl
--> Processing Dependency: cyrus-sasl-lib =  2.1 . 22 - 5 .el5_4. 3  for  package : cyrus-sasl-devel
--> Processing Dependency: cyrus-sasl-lib =  2.1 . 22 - 5 .el5_4. 3  for  package : cyrus-sasl-devel
--> Processing Dependency: cyrus-sasl-lib =  2.1 . 22 - 5 .el5_4. 3  for  package : cyrus-sasl-plain
--> Processing Dependency: cyrus-sasl-lib =  2.1 . 22 - 5 .el5_4. 3  for  package : cyrus-sasl-plain
---> Package cyrus-sasl-lib.i386  0 : 2.1 . 22 - 7 .el5_8. 1  set  to be updated
---> Package cyrus-sasl-lib.x86_64  0 : 2.1 . 22 - 7 .el5_8. 1  set  to be updated
--> Running transaction check
---> Package cyrus-sasl.x86_64  0 : 2.1 . 22 - 7 .el5_8. 1  set  to be updated
---> Package cyrus-sasl-devel.i386  0 : 2.1 . 22 - 7 .el5_8. 1  set  to be updated
---> Package cyrus-sasl-devel.x86_64  0 : 2.1 . 22 - 7 .el5_8. 1  set  to be updated
---> Package cyrus-sasl-plain.i386  0 : 2.1 . 22 - 7 .el5_8. 1  set  to be updated
---> Package cyrus-sasl-plain.x86_64  0 : 2.1 . 22 - 7 .el5_8. 1  set  to be updated
--> Finished Dependency Resolution
Dependencies Resolved
===============================================================================================================================
Package                       Arch                Version                                       Repository               Size
===============================================================================================================================
Installing:
kernel-xen                    x86_64               2.6 . 18 - 348.16 . 1.0 . 1 .el5                       el5_latest                23  M
virt-viewer                   x86_64               0.0 . 2 - 3 .el5                                   el5_latest                25  k
xen                           x86_64               3.0 . 3 - 142 .el5_9. 3                              el5_latest               1.9  M
xen-libs                      i386                 3.0 . 3 - 142 .el5_9. 3                              el5_latest               177  k
xen-libs                      x86_64               3.0 . 3 - 142 .el5_9. 3                              el5_latest               175  k
Installing  for  dependencies:
SDL                           x86_64               1.2 . 10 - 9 .el5                                  el5_latest               213  k
bridge-utils                  x86_64               1.1 - 3 .el5                                     el5_latest                30  k
cyrus-sasl-md5                x86_64               2.1 . 22 - 7 .el5_8. 1                               el5_latest                47  k
e4fsprogs-libs                i386                 1.41 . 12 - 3 .el5                                 el5_latest               108  k
e4fsprogs-libs                x86_64               1.41 . 12 - 3 .el5                                 el5_latest               105  k
ebtables                      x86_64               2.0 . 9 - 5 .el5                                   el5_latest               104  k
gtk-vnc                       x86_64               0.3 . 8 - 3 .el5                                   el5_latest                80  k
libvirt                       x86_64               0.8 . 2 - 29.0 . 1 .el5_9. 1                           el5_latest               3.2  M
libvirt-python                x86_64               0.8 . 2 - 29.0 . 1 .el5_9. 1                           el5_latest               239  k
python-virtinst               noarch               0.400 . 3 - 13.0 . 1 .el5                            el5_latest               384  k
xz-libs                       i386                 4.999 . 9 - 0.3 .beta.20091007git.el5              el5_latest               100  k
Updating  for  dependencies:
cyrus-sasl                    x86_64               2.1 . 22 - 7 .el5_8. 1                               el5_latest               1.2  M
cyrus-sasl-devel              i386                 2.1 . 22 - 7 .el5_8. 1                               el5_latest               1.4  M
cyrus-sasl-devel              x86_64               2.1 . 22 - 7 .el5_8. 1                               el5_latest               1.4  M
cyrus-sasl-lib                i386                 2.1 . 22 - 7 .el5_8. 1                               el5_latest               126  k
cyrus-sasl-lib                x86_64               2.1 . 22 - 7 .el5_8. 1                               el5_latest               130  k
cyrus-sasl-plain              i386                 2.1 . 22 - 7 .el5_8. 1                               el5_latest                27  k
cyrus-sasl-plain              x86_64               2.1 . 22 - 7 .el5_8. 1                               el5_latest                27  k
Transaction Summary
===============================================================================================================================
Install       16  Package(s)
Upgrade        7  Package(s)
Total download size:  34  M
Is  this  ok [y/N]:
Running rpm_check_debug
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
Updating       : cyrus-sasl-lib                                                                                          1 / 30
Updating       : cyrus-sasl                                                                                              2 / 30
Installing     : bridge-utils                                                                                            3 / 30
Installing     : cyrus-sasl-md5                                                                                          4 / 30
Updating       : cyrus-sasl-plain                                                                                        5 / 30
Installing     : e4fsprogs-libs                                                                                          6 / 30
Installing     : xen-libs                                                                                                7 / 30
Installing     : gtk-vnc                                                                                                 8 / 30
Installing     : ebtables                                                                                                9 / 30
Installing     : libvirt                                                                                                10 / 30
Installing     : libvirt-python                                                                                         11 / 30
Installing     : SDL                                                                                                    12 / 30
Updating       : cyrus-sasl-lib                                                                                         13 / 30
Installing     : xz-libs                                                                                                14 / 30
Updating       : cyrus-sasl-plain                                                                                       15 / 30
Installing     : e4fsprogs-libs                                                                                         16 / 30
Installing     : python-virtinst                                                                                        17 / 30
Installing     : kernel-xen                                                                                             18 / 30
Installing     : xen                                                                                                    19 / 30
Installing     : virt-viewer                                                                                            20 / 30
Installing     : xen-libs                                                                                               21 / 30
Updating       : cyrus-sasl-devel                                                                                       22 / 30
Updating       : cyrus-sasl-devel                                                                                       23 / 30
Cleanup        : cyrus-sasl-plain                                                                                       24 / 30
Cleanup        : cyrus-sasl                                                                                             25 / 30
Cleanup        : cyrus-sasl-lib                                                                                         26 / 30
Cleanup        : cyrus-sasl-devel                                                                                       27 / 30
Cleanup        : cyrus-sasl-devel                                                                                       28 / 30
Cleanup        : cyrus-sasl-plain                                                                                       29 / 30
Cleanup        : cyrus-sasl-lib                                                                                         30 / 30
Installed:
kernel-xen.x86_64  0 : 2.6 . 18 - 348.16 . 1.0 . 1 .el5      virt-viewer.x86_64  0 : 0.0 . 2 - 3 .el5         xen.x86_64  0 : 3.0 . 3 - 142 .el5_9. 3
xen-libs.i386  0 : 3.0 . 3 - 142 .el5_9. 3                 xen-libs.x86_64  0 : 3.0 . 3 - 142 .el5_9. 3
Dependency Installed:
SDL.x86_64  0 : 1.2 . 10 - 9 .el5                                        bridge-utils.x86_64  0 : 1.1 - 3 .el5
cyrus-sasl-md5.x86_64  0 : 2.1 . 22 - 7 .el5_8. 1                          e4fsprogs-libs.i386  0 : 1.41 . 12 - 3 .el5
e4fsprogs-libs.x86_64  0 : 1.41 . 12 - 3 .el5                            ebtables.x86_64  0 : 2.0 . 9 - 5 .el5
gtk-vnc.x86_64  0 : 0.3 . 8 - 3 .el5                                     libvirt.x86_64  0 : 0.8 . 2 - 29.0 . 1 .el5_9. 1
libvirt-python.x86_64  0 : 0.8 . 2 - 29.0 . 1 .el5_9. 1                      python-virtinst.noarch  0 : 0.400 . 3 - 13.0 . 1 .el5
xz-libs.i386  0 : 4.999 . 9 - 0.3 .beta.20091007git.el5
Dependency Updated:
cyrus-sasl.x86_64  0 : 2.1 . 22 - 7 .el5_8. 1                             cyrus-sasl-devel.i386  0 : 2.1 . 22 - 7 .el5_8. 1
cyrus-sasl-devel.x86_64  0 : 2.1 . 22 - 7 .el5_8. 1                       cyrus-sasl-lib.i386  0 : 2.1 . 22 - 7 .el5_8. 1
cyrus-sasl-lib.x86_64  0 : 2.1 . 22 - 7 .el5_8. 1                         cyrus-sasl-plain.i386  0 : 2.1 . 22 - 7 .el5_8. 1
cyrus-sasl-plain.x86_64  0 : 2.1 . 22 - 7 .el5_8. 1
Complete!

 

4. 修改启动列表,使用运行xen的内核启动系统 

# vi /boot/grub/grub.conf

2
说明: yum安装后,grub菜单是自动安装好了。 

 

5. reboot 自动进入xen组件的内核。 

# reboot 

 

6. 查看xen启动情况 

默认xen服务开机自启动   
[root@node1 ~]# chkconfig --list |grep xend    
xend            0:off   1:off   2:on    3:on    4:on    5:on    6:off    
xendomains      0:off   1:off   2:off   3:on    4:on    5:on    6:off 

查看xen内核   
[root@node1 ~]# uname -a    
Linux node1 2.6.18-348.16.1.0.1.el5xen #1 SMP Tue Aug 20 13:57:31 PDT 2013 x86_64 x86_64 x86_64 GNU/Linux 

查看xen情况   
[root@node1 ~]# xm list    
Name                                      ID Mem(MiB) VCPUs State   Time(s)    
Domain-0                                   0     1744     1 r-----     32.8 

 

 

到此xen虚拟化环境配置完毕,下面就开始安装虚拟机了。

本文出自 “koumm的linux技术博客” 博客,请务必保留此出处http://koumm.blog.51cto.com/703525/1284516

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