Hadoop

Devices attached to the system /dev/sdb and /dev/sdc are the devices on which LVM is to be performed Creating physical volume for sdb Creating physical volume for sdc Creating volume group with sdb and sdc having name hvg Creating logical volume with 25 GB having name hlv Formatting the logical volume hlv Mounting the hlv volume to the directory dn Hadoop report before mounting of logical volume Hadoop report after mounting the logical volume Extending the logical volume with 3GB Hadoop report after increasing the logical volume Hadoop report after reducing the logical volume by 8GB