To create a new volume group from LVM physical volumes, use the vgcreate command. You will have to provide a volume group name, followed by at least one LVM physical volume: sudo vgcreate volume_group_name /dev/sda.

What is a volume group ubuntu?

When it comes creating volume groups from multiple hard disk drives, Volume Group (VG) is the key to that process. VG is the architecture that allows you to combine multiple physical volumes to create a single storage structure, that is equal to the storage capacity of the combined physical devices.

How do you create volume groups?

Procedure

1. Create a LVM VG, if you do not have an existing one: Log into the RHEL KVM hypervisor host as root. Add a new LVM partition using the fdisk command. …
2. Create a LVM LV on the VG. For example, to create an LV called kvmVM under the /dev/VolGroup00 VG, run: …
3. Repeat the above VG and LV steps on each hypervisor host.