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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                首先我們假定兩臺機器,機器名和ip地址分別如下 ~~~ xcat master hostname: xcat ip: 192.168.31.102 xcat node hostname: xcat1 ip: 192.168.31.251 ~~~ 具體操作步驟如下: 1. 創建本地操作系統安裝文件 ~~~ copycds -n centos5.11 -a x86_64 CentOS-5.11-x86_64-bin-DVD-1of2.iso CentOS-5.11-x86_64-bin-DVD-2of2.iso copycds -n centos6.6 -a x86_64 CentOS-6.6-x86_64-bin-DVD1.iso CentOS-6.6-x86_64-bin-DVD2.iso ~~~ 2. 配置xCAT基本信息 ~~~ chtab key=master site.value=192.168.31.102 chtab key=domain site.value=xcatdomain # 根據具體情況配置,這個屬性最后會被寫到每個node的/etc/resolv.conf文件里 chtab key=nameservers site.value=192.168.31.102 # 根據具體情況配置,這個屬性最后會被寫到每個node的/etc/resolv.conf文件里 chtab key=forwarders site.value=192.168.31.1 ~~~ 另外用"tabdump networks"命令來檢查一下networks表信息是否和上面site表的信息一致,如果不一致可以使用下面的命令修改 ~~~ chtab netname=192_168_31_0-255_255_255_0 \ networks.net=192.168.31.0 \ networks.mask=255.255.255.0 \ networks.gateway=192.168.31.1 \ networks.dhcpserver=192.168.31.102 \ networks.tftpserver=192.168.31.102 \ networks.nameservers=192.168.31.102 \ networks.ntpservers=192.168.31.102 ~~~ 3. 配置password,可以使用“tabdump passwd”查看 ~~~ chtab key=system passwd.username=root passwd.password=Letmein ~~~ 4. 配置節點 ~~~ nodeadd xcat1 \ groups=compute,all \ mac.interface=eth0 \ mac.mac=08:00:27:2C:30:8C \ hosts.ip=192.168.31.251 \ noderes.netboot=pxe \ noderes.xcatmaster=192.168.31.102 \ noderes.installnic=eth0 \ noderes.primarynic=eth0 \ noderes.nfsserver=192.168.31.102 \ nodetype.os=centos6.6 \ nodetype.arch=x86_64 \ nodetype.profile=compute \ nodetype.nodetype=osi ~~~ 添加完成后可以使用下面的命令來查看各種信息 ~~~ tabdump nodelist tabdump nodetype tabdump noderes tabdump mac tabdump hosts ~~~ 5. 配置host ~~~ makehosts ~~~ 配置后/etc/hosts文件內容大致如下 ~~~ 127.0.0.1 localhost 192.168.31.102 xcat 192.168.31.251 xcat1 ~~~ * 注意xcat master必須配置進去,因為 makedns 命令要求管理節點必須是domain的一部分,所以如果沒有需要手動添加。 6. 配置dns ~~~ makedns -n service named restart ~~~ 7. 配置DHCP ~~~ makedhcp -n ~~~ * 編輯/etc/init.d/dhcpd文件,將 ~~~ user=dhcpd group=dhcpd 改為 user=root group=root ~~~ 然后重新啟動dhcpd服務 ~~~ /etc/init.d/dhcpd restart ~~~ 8. 設置部署系統 ~~~ nodeset xcat1 osimage=centos5.11-x86_64-install-compute ~~~ 此時可以看到類似下面的輸出結果,說明xcat1機器將會安裝centos6.6-x86_64-compute ~~~ xcat1: install centos6.6-x86_64-compute ~~~ 如果我們需要修改安裝的系統可以使用下面的命令來修改 ~~~ chtab node=xcat1 \ nodetype.os=centos5.11 \ nodetype.arch=x86_64 \ nodetype.profile=compute \ nodetype.nodetype=osi nodeset xcat1 install ~~~ 此時可以看到xcat1機器將會安裝centos5.11-x86_64-compute ~~~ xcat1: install centos5.11-x86_64-compute ~~~ 9. 由于使用的是虛擬機做測試,沒有IPMI功能,所以我們只能手動啟動xcat1機器,然后就會發現xcat1進入自動安裝系統了。
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