How to create elastic storage for the Hadoop cluster using LVM & How to automate LVM!!

SATA Port1 & Port2 shows the two hard drive attached externally.
sdb and sdc are the two hard drives attached
https://linuxhowtoguide.blogspot.com/2017/07/how-to-create-lvm-logical-volume-in.html
Creating PV from two hard disks
We are creating LV of size 10 GB
datanode configuration
namenode configuration

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