[root@nas ~]# yum update
Loaded plugins: changelog, fastestmirror
Rockstor-Stable                                          | 2.9 kB     00:00
rockstor                                                 | 2.9 kB     00:00
Loading mirror speeds from cached hostfile
 * base: mirror.beyondhosting.net
 * epel: mirror.csclub.uwaterloo.ca
 * extras: mirror.cc.columbia.edu
 * updates: mirror.fusioncloud.co
No packages marked for update