Once you have added a new disk to your system, make sure it can be seen using the lsblk command. You should see something similar to the following. You can see a new disk identified as sdb. [root@UTLXDEV5866 ~]# lsblkNAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTsda 8:0 0 100G 0 disk├─sda1 8:1 0 1G 0 ..