Security researchers has found the bug is VENOM, or Virtualized Environment Neglected Operations Manipulation, 'buffer overflow' vulnerability affecting the Floppy Disk Controller (FDC) emulation implemented in the QEMU component of the KVM/QEMU and Xen server.

Once you have installed and configured nagios client in your Linux system you can easily monitor your LVM on Nagios tool. This LVM space monitoring only for low disk space.

LVM tool is used for creating multiple Logical volumes which means allocating disk space, mirroring and resize volume to anyway without data loss. LVM is very flexibility in managing our storage device.