Mirroring an Existing LVM Volume is pretty straightforward. Assuming you have enough space for it on separate physical volumes, it is a single command. According to the documentation, you will find two varieties. One is just called mirror, the other raid1. The documentation recommends using raid1, so that is what I will cover. There are… Read More »
There may be occasions where you need to remove an LVM disk. Maybe the host is a VM and you need space on the hypervisor? Perhaps the device is a fiber channel SAN target that you no longer need? No matter the reason, it isn’t terribly difficult to remove an LVM disk. There are three… Read More »
Adding a disk to LVM is pretty straightforward. The typical scenario is you have a virtual machine (VM) that is running low on space, so you add another virtual disk to it. Another possible scenario is adding another physical disk to create a software mirror. Perhaps you have a new host and wish to store… Read More »