搭建多OpenStack多节点私有云平台（⼀）（环境搭建）搭建多OpenStack多节点私有云平台（⼀）1、规划虚拟机IP地址主机名内存磁盘⽤途ens33:192.168.25.14110.0.0.11controller4G20G控制节点ens33:192.168.25.14310.0.0.31compute14G20G计算节点ens33:192.168.25.14410.0.0.41block11G40G存储节点准备实验环境2、配置基础环境创建第⼀台主机，安装完centos7后，再克隆2台，之后把⼀台机改成1g内存40g磁盘1.改IP地址修改IP地址：vi/etc/sysconfig/network-scripts/ifcfg-ens33BOOTPROTO=staticIPADDR=192.168.25.141后⾯2台机就改这⾥就⾏了NETMASK=255.255.255.0GATEWAY=192.168.25.2DNS1=114.114.114.114重启⽹络：systemctlrestartnetwork2.改主机名controller：hostnamectlset-hostnamecontrollercompute1：hostnamectlset-hostnamecompute1block1：hostnamectlset-hostnameblock13.host解析[root@controller~]#vi/etc/hosts127.0.0.1localhostlocalhost.localdomainlocalhost4localhost4.localdomain4controller::1localhostlocalhost.localdomainlocalhost6localhost6.localdomain6controller192.168.25.141controllercontroller.locallocaldomain192.168.25.143compute1compute1.locallocaldomain192.168.25.144block1block1.locallocaldomain[root@controller~]#scp-rp/etc/hosts192.168.25.143:/etc/hosts[root@controller~]#scp-rp/etc/hosts192.168.25.144:/etc/hosts查看修改结果[root@controller~]#cat/etc/hosts4.连通外⽹[root@controller~]#ping-c104、配置yum源（可以本地、可以⽹络）[root@controller~]#yum-yinstallwgetmv/etc/yum.repos.d/CentOS-Base.repo/etc/yum.repos.d/CentOS-Base.repo.backupcd/etc/yum.repos.dwgetmvCentOS7-Base-163.repoCentOS-Base.repoyumcleanallyummakecache查看yum有没有安装完#yumrepolistall5、配置SSH免密码认证每台主机都要弄ssh-keygen-trsassh-copy-id-icontrollerssh-copy-id-icompute1ssh-copy-id-iblock16、关闭SeLinux和Firewalldsystemctlstopfirewalld.servicesystemctldisablefirewalld.servicevi/etc/selinux/config修改SELINUX=disabled7、配置时间同步controller安装chrony组件yuminstallchrony-y添加阿⾥云时间源服务器vim/etc/chrony.confserverntp6.aliyuncomiburstallow192.168.25.0/24记得把//allow前⾯的#号删除systemctlenablechronyd.servicesystemctlrestartchronyd.servicechronycsources另外2台机操作⼀样yuminstallchrony-yvim/etc/chrony.confservercontrolleriburstsystemctle