How to Reduce LVM (Logical Volume Management) in CentOS/Rhel 7.x

How to Reduce LVM (Logical Volume Management) in CentOS/Rhel 7.x

Prerequisites : https://www.natsav.com/blog/2017/01/09/configure-lvm-logical-volume-management-disc-management-on-centosrhel-7-x/

Now we reduce Logical Volume as follow :

Now check the Logical Volume

#lvs

First we need to unmount the mount point :

#umount /lvm

Check for the file-system error using following command

#e2fsck -ff /dev/myvol/lv1

Reduce the Logical volume using following command :

#lvreduce -L -1G /dev/myvol/lv1

Now reduce the file-system using following command :

#resize2fs /dev/myvol/lv1

Mount the file-system as same directory :

#mount /dev/myvol/lv1  /lvm

check size of the Logical Volume :

#lvdisplay /dev/myvol/lv1

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