Logical Volume Management (LVM)

 Logical Volume Management 

Steps in LVM creation

A. Partition Creation

1. Create Physical Partition using fdisk command

# fdisk <disk name> 

2. Create physical volume

# pvcreate <physical partition name 1> <physical partition name 2> .. n

#pvs and # pvdisplay

above command used to display pv.

3. Create volume group

#vgcreate  <vg name>  <pv name1>  <pv name 2>

#vgdisplay

# vgs

4. Create logical Volume 

# lvcreate -L <size> -n <lvname> <vgname> 

#lvdisplay

# lvs

B. Format Partition

#mkfs.<file system> <lv path>

# mkfs -t <file system> <lv path>

for swap

mkswap <lvpath>

C. Mount Partition

a. temporary

b. permanent 

Steps to delete partition

1. Unmount

2.Delete LVM partition

3.Delete Volume group

4.Delete Physical volume

5.Delete Physical partition