定制源：
[Ceph] name=Ceph packages for $basearch baseurl=http://mirrors.aliyun.com/ceph/rpm-nautilus/el7/x86_64/ enabled=1 gpgcheck=0 type=rpm-md gpgkey=https://download.ceph.com/keys/release.asc [Ceph-noarch] name=Ceph noarch packages baseurl=http://mirrors.aliyun.com/ceph/rpm-nautilus/el7/noarch enabled=1 gpgcheck=0 type=rpm-md gpgkey=https://download.ceph.com/keys/release.asc [ceph-source] name=Ceph source packages baseurl=http://mirrors.aliyun.com/ceph/rpm-nautilus/el7/SRPMS enabled=1 gpgcheck=0 type=rpm-md gpgkey=https://download.ceph.com/keys/release.asc
#更新yum源
yum clean all && yum makecache && yum update -y
执行：
sudo yum -y install ceph ceph-common rbd-fuse ceph-release python-ceph-compat python-rbd librbd1-devel ceph-radosgw