Since this is a root/boot volume we are talking about anything on this page is VERY risky. Be warned this post may provide you with a strategy or hints but you are completely responsible for your system. Of course the best route to extend a root volume in an unmounted…
LVM Removing VG with missing disk
If you removed a disk from a server and forgot to cleanly remove the configuration you may experience something similar. Below shows what happens with lvremove: Some people seem to have success with vgreduce commands but I ended up making a fake device and extending the VG in order to…
KVM VM Rename and Logical Volume Rename
I recently provisioned a Virtual Machine in a KVM Hypervisor with a typo in the name. Even worse I also created the storage LV with a typo. Here is how I fixed it. Off course shut the VM down first. LV Rename # lvrename VolumeGroup oldLVname newLVname Renamed “oldLVname” to…
How to Rename your Logical Volume Group
Boot a Linux live CD. I used Fedora which I know has LVM enabled in the kernel at boot time. # vgchange -a y 5 logical volume(s) in volume group “locallvm” now active # mkdir /mnt/a # mount /dev/locallvm/root /mnt/a ** Figure out where your /boot physical partition lives. This…