Extending / resizing lvm disk to free space

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When you use lvm and still have free space on a virtual or physical disk,you can extend your lvm partition to use all free space.

Firstly you should be sure it exists.

Type “vgdisplay” command in root shell.You should see some free space in “Free  PE Size”

After that you should type this command “lvextend -l +100%FREE /dev/volgroup/logvol”

After it finishes type resize command according to your file system.

For XFS : xfs_growfs /dev/centos/logvol

For EXT4: resize2fs /dev/centos/logvol

Attention : “logvol” word represents your logical volume.You can see its name in vgdisplay command output.