How to Add Physical Disk to Increase Size of /dev/mapper/centos-root

Dear Friends, I ran into a problem where my openstack machine ran out of space. My Logical FS /dev/mapper/centos-root was only 50GB and most of the space was lost. Solution: LVM I Added a new 500GB HDD (sdb), created partition with parted (sdb1) and gave the below commands: [root@stack opt]# pvcreate /dev/sdb1 Physical volume “/dev/sdb1” […]

Tags: disk, Linux, linux help, lvextend, lvm, parted, pv, trubleshooting, volume