How do I create a new volume in LVM?

How do I create a new volume in LVM?

In order to create LVM logical volumes, here is a basic four step procedure:

1. Create partitions to be used and initialize them as physical volumes.
2. Create a volume group.
3. Create a logical volume.
4. Create a file system on a logical volume.

How do I create an LVM file?

How to create a LVM in Linux, these are the below steps to be followed.

1. Select or Identify the correct disks to be used for LVM.
2. Create a Physical Volumes(PV) on the disk.
3. Create the Volume Group(VG) on the Physical Volumes.
4. Create Logical Volumes(LV) on the Volume Group.
5. Create a filesystem for the logical volumes.

How do you create a logical volume?

To create a logical volume, use the lvcreate command. You can create linear volumes, striped volumes, and mirrored volumes, as described in the following subsections. If you do not specify a name for the logical volume, the default name lvol# is used where # is the internal number of the logical volume.

How do you create a logical volume group?

1. Select the Physical Storage Devices for LVM – Use pvcreate, pvscan, pvdisplay Commands.
2. Create the Volume Group – Use vgcreate, vgdisplay Commands.
3. LVM Create: Create Logical Volumes – Use lvcreate, lvdisplay command.
4. LVM resize: Change the size of the logical volumes – Use lvextend Command.

How do I create a logical volume?

What is VG in Linux?

More Linux resources A volume group ( VG ) is the central unit of the Logical Volume Manager (LVM) architecture. It is what we create when we combine multiple physical volumes to create a single storage structure, equal to the storage capacity of the combined physical devices.

What is MKFS XFS command in Linux?

xfs constructs an XFS filesystem by writing on a special file using the values found in the arguments of the command line. It is invoked automatically by mkfs(8) when it is given the -t xfs option. In its simplest (and most commonly used form), the size of the filesystem is determined from the disk driver.

How do you manage logical volumes?

Three hard disk drives are combined into one volume group that is then carved into two logical volumes….Logical Volume Manager (LVM)

1. Install a new hard disk drive.
2. Designate Physical Volumes.
3. Manage Volume Groups.
4. Manage Logical Volumes.
5. Apply a filesystem and set a mount point.

How do I increase my logical volume size?

Extend the Logical Volume Extend the LV with the lvextend command. The lvextend command allows you to extend the size of the Logical Volume from the Volume Group. Figure 8: Use the lvextend command to extend the LV. [root@redhat-sysadmin ~]# lvextend -l +100%FREE /dev/centos/root.