1.安装必要的依赖包，关防火墙，向/etc/hosts内添加域名等
2.安装ceph
配置yum源
(如果嫌慢，可以配置cachedir=/home/yum/$basearch/$releasever和keepcache=1两个参数，在第一次安装时将安装包下载到本地做成yum源，给后面的多个服务器使用)
[root@ceph1 mycluster]# cat /etc/yum.repos.d/ceph.repo [ceph-noarch] name=Ceph noarch packages baseurl=http://eu.ceph.com/rpm-luminous/el7/noarch/ enabled=1 gpgcheck=1 type=rpm-md gpgkey=http://eu.ceph.com/keys/release.asc priority=1 [Ceph] name=Ceph packages for $basearch baseurl=http://eu.ceph.com/rpm-luminous/el7/$basearch enabled=1 gpgcheck=1 type=rpm-md gpgkey=http://eu.ceph.com/keys/release.asc priority=1 [ceph-source] name=Ceph source packages baseurl=http://eu.ceph.com/rpm-luminous/el7/SRPMS enabled=1 gpgcheck=1 type=rpm-md gpgkey=http://eu.ceph.com/keys/release.asc priority=1