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CentOS:ResizeLVM

lastmod 2018-08-17created 2016-06-116 edits

How to resize the /home directory that is set up by default in a CentOS7 minimal installation.

How to

The following assumes you are logged in with administrator privileges. 

## Unmount the centos-home partition.
$ umount /home/

## Next show the logical volumes.
$ lvdisplay

## Now remove the logical volume for centos-home.
$ lvremove /dev/centos/home

## You should now have the free space available in VFree when you have a look using vgs.
$ vgs

## Now resize the centos-root partition.
$ lvextend --size +22.13GB -r /dev/mapper/centos-root

## Confirm your new partition size.
$ lsblk

## Remove the centos-home mount from fstab so that the system does not try to mount it at startup
$ sed -i '/centos-home/d' /etc/fstab

See also

Favorite site

References

  1. Resizing_partitions_in_Centos7_-_Tips_and_Tricks_from_a_Mac_Admin.pdf ↩

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