LVM: How to remove a volume using pvremove
First, I encountered this error "Can't pvremove physical volume "/dev/sdc1" of volume group "nova-volumes" without -ff" (I'm actually using OpenStack but it's another story). So to remove this, do first, ~# pvscan PV /dev/sdb1 VG nova-volumes lvm2 [1.82 TiB / 1.82 TiB free] PV /dev/sda5 VG cloudmaster lvm2 [297.85 GiB / 12.00 MiB free] PV /dev/sdc1 lvm2 [1.82 TiB] Total: 3 [3.93 TiB] / in use: 2 [2.11 TiB] / in no VG: 1 [1.82 TiB] Then, when I do, ~# pvremove /dev/sdc1 Can't pvremove physical volume "/dev/sdc1" of volume group "nova-volumes" without -ff So I need to, ~# vgreduce nova-volumes /dev/sdc1 Removed "/dev/sdc1" from volume group "nova-volumes" Then do `pvscan` again, ~# pvscan PV /dev/sdb1 VG nova-volumes lvm2 [1.82 TiB / 1.82 TiB free] PV /dev/sda5 VG clou...