[root@localhost log]# yum list ceph*
[root@localhost log]# yum install ceph-common.x86_64 -y
[root@localhost tmp]# cat /var/log/yum.log
Jul 07 23:29:02 Installed: 1:python-rados-10.2.5-4.el7.x86_64
Jul 07 23:29:02 Installed: 1:python-rbd-10.2.5-4.el7.x86_64
Jul 07 23:29:03 Installed: hdparm-9.43-5.el7.x86_64
Jul 07 23:29:13 Installed: boost-program-options-