Tag: trubleshooting

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

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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” […]

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