[root@RAID ~]# lsblk  NAME   MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT loop0    7:0    0  3.6G  1 loop /mnt/iso sda      8:0    0   20G  0 disk ├─sda1   8:1    0  300M  0 part /boot ├─sda2   8:2    0 17.7G  0 part / ├─sda3   8:3    0  104M  0 … Continue reading RAID (Redundant Array of InExpensive Disks) & Logical Volume Manager