====== lvm ======

===== Resize =====
==== Logical Volume ====
=== Increase Logical Volume Size ===
Increase by 1GB
<sxh bash>lvextend -L +1G /dev/centos/home</sxh>


=== Decrease Logical Volume Size ===
Decrease by 1GB
<sxh bash>lvreduce -L 1G /dev/centos/var</sxh>

=== Filesystem Resize ===
For ext3 & ext4
<sxh bash>resize2fs /dev/centos/home</sxh>

For xfs
<sxh bash>xfs_growfs /dev/centos/home</sxh>

===== VM Related =====
=== mount lvm disk on partition ===

<sxh bash>
kpartx -av /dev/volKVM/kvm106_img
mount /dev/mapper/volKVM-kvm106_img1 /mnt
</sxh>

=== unmount lvm disk ===
<sxh bash>
umount /mnt
kpartx -dv /dev/volKVM/kvm106_img
</sxh>