Let us first understand What is LVM & Why it is required.Suppose you have four hard disk of size 30 GB each and you require to create six

To delete partition first step is to unmount and after that delete partition and save configuration.

[root@RedHat adminji]# lsblk (list block) -⇾ This will show hard disk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 4G 0 disk sdb...

Once Partition is created we need to format and also mount it in order to use.