xfs_grow

CentOS 7 uses XFS now! How to Expand/extend your LVM

To my surprise CentOS 7 is now using XFS. I was trying to extend the LVM using my usual guide from VMware, resize2fs command spits out thi error:

resize2fs: Bad magic number in super-block while trying to open /dev/centos/root

Couldn't find valid filesystem superblock

use xfs_grow instead

http://xmodulo.com/2014/09/manage-lvm-volumes-centos-rhel-7-system-storage-manager.html

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