Increasing the size of an LVM volume

In a previous article we looked at LVM. This short article describes how to grow an existing volume by adding an extra disk to the system. Specifically, we use a XenServer guest VM with CentOS installed. The first disk of a XenServer guest VM is called xvda, the second disk (the one we added) is […]

An introduction to Logical Volume Management (LVM)

Logical Volume Management (LVM) is a method of allocating space on mass storage devices that is more flexible than conventional partitioning schemes. To understand how LVM works we will first take a look at some terminology: PV: Physical Volume. This can be an entire harddisk, a partition on a harddisk, a RAID device (software or […]