Useful tips

In which mode can LVM be created during installation?

In which mode can LVM be created during installation?

If you need to create an LVM configuration from scratch, press Alt+F2 to use a different virtual console, and run the lvm command. To return to the text-mode installation, press Alt+F1. Logical Volume Management (LVM) presents a simple logical view of underlying physical storage space, such as a hard drives or LUNs.

How do I create a LVM partition?


  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.

How do I create a LVM partition in RHEL 7?

5.1. Creating an LVM Logical Volume on Three Disks

  1. To use disks in a volume group, label them as LVM physical volumes with the pvcreate command.
  2. Create the a volume group that consists of the LVM physical volumes you have created.
  3. Create the logical volume from the volume group you have created.

Should I install Ubuntu with LVM?

If you are using Ubuntu on a laptop with only one internal hard drive and you don’t need extended features like live snapshots, then you may not need LVM. If you need easy expansion or want to combine multiple hard drives into a single pool of storage then LVM may be what you have been looking for.

How are logical partitions created with LVM?

With LVM, we can create logical partitions that can span across one or more physical hard drives. First, the hard drives are divided into physical volumes, then those physical volumes are combined together to create the volume group and finally the logical volumes are created from volume group.

How do I install Ubuntu on a LVM partition?

Boot up your computer using Ubuntu liveCD. Once logged in, open a terminal and install LVM: Finally, lod the kernel module dm-mod. Now, we need to set up our Hard drive.

How do I create a new volume in LVM?

First, we’ll create a new physical volume by adding the partition we created above to the LVM configuration. Then, we will add this newly created physical volume to the existing volume group and then extend the existing logical volume containing the root filesystem.

How to create a LVM in vgcreate?

To create a LVM, we need to run through the following steps. Select the physical storage devices for LVM Create the Volume Group from Physical Volumes Create Logical Volumes from Volume Group