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《Cobbler部署指南》系列
1、《Cobbler部署指南之安裝篇》http://dreamway.blog.51cto.com/blog/1281816/1166589
2、《Cobbler部署指南之配置管理篇[上文]》http://dreamway.blog.51cto.com/blog/1281816/1166921
3、《Cobbler部署指南之配置管理篇[下文]》http://dreamway.blog.51cto.com/blog/1281816/1166932
4、《Cobbler部署指南之yum倉庫配置管理篇》http://dreamway.blog.51cto.com/blog/1281816/1166936
5、《Cobbler部署指南之Cobbler安裝作業系統篇》http://dreamway.blog.51cto.com/blog/1281816/1166947
6、《Cobbler部署指南之安裝虛擬化Xen系統篇》http://dreamway.blog.51cto.com/blog/1281816/1166950
7、《Cobbler部署指南之電源管理篇》http://dreamway.blog.51cto.com/blog/1281816/1166957
8、《Cobbler部署指南之FAQ處理篇》http://dreamway.blog.51cto.com/blog/1281816/1167078
7.5 安裝Xen 宿主機
Cobbler PXE選單裡沒有關於Xen虛擬機器的系統版本，匯入CentOS5.8系統映象時，已經生成一個關於Xen的distros和profiles 即centos5.8-xen-x86_64，因為Cobbler知道它不可能PXE引導物理硬體。
如果你想安裝Xen 宿主機，需要在安裝指令碼ks檔案%packages部分新增xen包名 “kernel-xen”、“xen”。當然這樣似乎不太方便，你可以使用命令“cobbler import”再匯入一個關於xenserver宿主機的配置。
配置好ks檔案，安裝方法同步驟7.3。
7.6 安裝Xen虛擬機器
7.6.1 Xen宿主機安裝koan
7.6.2 檢視關於Xen宿主機的配置資訊
koan –server=172.17.10.14 –list=profiles
– looking for Cobbler at http://172.17.10.14/cobbler_api
centos5.8-xen-x86_64
centos6.4-x86_64
centos5.8-x86_64
centos6.3-x86_6
koan –server=172.17.10.14 –display –profile=centos5.8-xen-x86_64
– looking for Cobbler at http://172.17.10.14:80/cobbler_api
– reading URL: http://172.17.10.14/cblr/svc/op/ks/profile/centos5.8-xen-x86_64
install_tree: http://172.17.10.14/cblr/links/centos5.8-xen-x86_64
name : centos5.8-xen-x86_64
distro : centos5.8-xen-x86_64
kickstart : http://172.17.10.14/cblr/svc/op/ks/profile/centos5.8-xen-x86_64
ks_meta : tree=http://@@http_server@@/cblr/links/centos5.8-xen-x86_64
install_tree : http://172.17.10.14/cblr/links/centos5.8-xen-x86_64
kernel : /var/www/cobbler/ks_mirror/centos5.8-x86_64/p_w_picpaths/xen/vmlinuz
initrd : /var/www/cobbler/ks_mirror/centos5.8-x86_64/p_w_picpaths/xen/initrd.img
kernel_options : ks=http://172.17.10.14/cblr/svc/op/ks/profile/centos5.8-xen-x86_64 ksdevice=link kssendmac lang= text
repos :
virt_ram : 512
virt_disk_driver : raw
virt_type : xenpv
virt_path :
virt_auto_boot : 0
7.6.3 安裝Xen虛擬機器
koan –server=172.17.10.14 –virt-name=testvm –virt –profile=centos5.8-xen-x86_64
– looking for Cobbler at http://172.17.10.14/cobbler_api
– reading URL: http://172.17.10.14/cblr/svc/op/ks/profile/centos5.8-xen-x86_64
install_tree: http://172.17.10.14/cblr/links/centos5.8-xen-x86_64
libvirtd (pid 2749) is running…
downloading initrd initrd.img to /var/lib/xen/initrd.img
url=http://172.17.10.14/cobbler/p_w_picpaths/centos5.8-xen-x86_64/initrd.img
– reading URL: http://172.17.10.14/cobbler/p_w_picpaths/centos5.8-xen-x86_64/initrd.img
downloading kernel vmlinuz to /var/lib/xen/vmlinuz
url=http://172.17.10.14/cobbler/p_w_picpaths/centos5.8-xen-x86_64/vmlinuz
– reading URL: http://172.17.10.14/cobbler/p_w_picpaths/centos5.8-xen-x86_64/vmlinuz
Wed, 27 Mar 2013 16:12:17 DEBUG No conn passed to Guest, opening URI `None`
libvir: Xen error : Domain not found: xenUnifiedDomainLookupByName
libvir: Xen error : Domain not found: xenUnifiedDomainLookupByUUID
libvir: Xen error : Domain not found: xenUnifiedDomainLookupByName
Wed, 27 Mar 2013 16:12:17 DEBUG Creating guest from:
<domain type=`xen`>
<name>testvm</name>
<currentMemory>524288</currentMemory>
<memory>524288</memory>
<uuid>b0dee8f5-284b-1622-6191-2443ea10cc1c</uuid>
<os>
<type>linux</type>
<kernel>/var/lib/xen/vmlinuz</kernel>
<initrd>/var/lib/xen/initrd.img</initrd>
<cmdline>ks=http://172.17.10.14/cblr/svc/op/ks/profile/centos5.8-xen-x86_64 ksdevice=link kssendmac lang= text </cmdline>
</os>
<on_poweroff>destroy</on_poweroff>
<on_reboot>destroy</on_reboot>
<on_crash>destroy</on_crash>
<vcpu>1</vcpu>
<devices>
<disk type=`file` device=`disk`>
<source file=`/var/lib/xen/p_w_picpaths/testvm-disk0`/>
<target dev=`xvda` bus=`xen`/>
</disk>
<interface type=`bridge`>
<source bridge=`xenbr0`/>
<mac address=`00:16:3e:28:12:79`/>
</interface>
<input type=`mouse` bus=`xen`/>
<graphics type=`vnc` port=`-1` keymap=`en-us`/>
</devices>
</domain>
Wed, 27 Mar 2013 16:12:18 DEBUG Created guest, looking to see if it is running
Wed, 27 Mar 2013 16:12:18 DEBUG Saving XML boot config:
<domain type=`xen`>
<name>testvm</name>
<currentMemory>524288</currentMemory>
<memory>524288</memory>
<uuid>b0dee8f5-284b-1622-6191-2443ea10cc1c</uuid>
<bootloader>/usr/bin/pygrub</bootloader>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>restart</on_crash>
<vcpu>1</vcpu>
<devices>
<disk type=`file` device=`disk`>
<source file=`/var/lib/xen/p_w_picpaths/testvm-disk0`/>
<target dev=`xvda` bus=`xen`/>
</disk>
<interface type=`bridge`>
<source bridge=`xenbr0`/>
<mac address=`00:16:3e:28:12:79`/>
</interface>
<input type=`mouse` bus=`xen`/>
<graphics type=`vnc` port=`-1` keymap=`en-us`/>
</devices>
</domain>
use virt-manager or reconnect with virsh console testvm
7.6.4 列出虛擬機器列表
xm list
Name ID Mem(MiB) VCPUs State Time(s)
Domain-0 0 7494 4 r—– 79.0
testvm 1 512 1 r—– 86.5
7.6.5 開啟控制檯管理虛擬機器
xm console 1
或者
xm console testvm
Bootdata ok (command line is ks=http://172.17.10.14/cblr/svc/op/ks/profile/centos5.8-xen-x86_64 ksdevice=link kssendmac lang= text )
Linux version 2.6.18-308.el5xen (mockbuild@builder10.centos.org) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-52)) #1 SMP Tue Feb 21 20:47:10 EST 2012
BIOS-provided physical RAM map:
Xen: 0000000000000000 – 0000000020800000 (usable)
No mptable found.
Built 1 zonelists. Total pages: 129529
Kernel command line: ks=http://172.17.10.14/cblr/svc/op/ks/profile/centos5.8-xen-x86_64 ksdevice=link kssendmac lang= text
Initializing CPU#0
…………略…………
Write protecting the kernel read-only data: 503k
Restarting system.
預設虛擬機器配置檔案在目錄/etc/xen下
7.6.6 啟動虛擬機器
xm create -c testvm
在SecureCRT顯示的啟動、登入內容如下：
pyGRUB version 0.6
ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿
³ CentOS (2.6.18-308.el5xen) ³
³ ³
³ ³
³ ³
³ ³
³ ³
³ ³
³ ³
ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ
Use the ˜ and ™ keys to select which entry is highlighted.
Press enter to boot the selected OS, `e` to edit the
commands before booting, `a` to modify the kernel arguments
before booting, or `c` for a command line.
………虛擬機器啟動過程略……………
登入介面
CentOS release 5.8 (Final)
Kernel 2.6.18-308.el5xen on an x86_64
host-d-115.sys.hexun login: root
Password:
檢視虛擬機器主機名
[root@host-d-115 ~]# hostname
host-d-115.sys.hexun
檢視ip
[root@host-d-115 ~]# ifconfig eth0
eth0 Link encap:Ethernet HWaddr 00:16:3E:28:12:79
inet addr:172.17.188.115 Bcast:172.17.255.255 Mask:255.255.0.0
inet6 addr: fe80::216:3eff:fe28:1279/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:325 errors:0 dropped:0 overruns:0 frame:0
TX packets:11 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:25014 (24.4 KiB) TX bytes:1298 (1.2 KiB)
到此Xen虛擬機器已經通過Cobbler安裝完畢。
請看《Cobbler部署指南》系列續文
《Cobbler部署指南》系列文件下載：http://down.51cto.com/data/745895