CentOS radosgw-agent cannot be installed

[giorgis at acmac.uoc.gr (Georgios Dimitrakakis)]

 When I try to install the CentOS radosgw-agent on a CentOS 6.5 machine 
 I get the following:

 [root at ceph1 centos]# yum install radosgw-agent
 Loaded plugins: fastestmirror, priorities
 Loading mirror speeds from cached hostfile
  * base: ftp.riken.jp
  * epel: ftp.jaist.ac.jp
  * extras: ftp.riken.jp
  * updates: ftp.riken.jp
 6 packages excluded due to repository priority protections
 Setting up Install Process
 No package radosgw-agent available.
 Error: Nothing to do


 Any ideas why the package cannot be found???

 Do I have to disable priorities???


 Best,

 G.