
I occasionally have had the need to increase disk space available on one of my virtual CentOS 7 servers. Every time I do, I have to search for a good guide on how to do it. There are a million and one ways to do it. Some guides walk through how to expand a virtual disk and then format the extra space on the disk to add as a new physical disk to an existing LVM PV in order to expand an LV. But I do not want to end up with a PV that has 10 different physical disk blocks (i.e. sda2-sda11) because I have increased the disk multiple times.
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