Integrating LVM with Hadoop and providing Elasticity to DataNode Storage
Sep 6, 2022
So here in the practical, we have attached an external hard disk sdb of 8 GB.
Here is the list of all the commands used:-
pvcreate /dev/sdc
pvdisplay /dev/sdb
pvdisplay /dev/sdc
#To attach the new physical volume to the existing Volume group, i.e. RHEL
vgextend <vgname> /dev/sdb /dev/sdb
#Now Extend the pre-existing LVM volume with the required size.
lvextend — size <value> /dev/rhel/root
#Foramtting the extended part to use.
fsadm resize /dev/rhel/root