How to make the linux server recognize the newly hot added Hard Disk

After adding the HDD to Linux Virtual machine while powered on, it will not automatically recognize it.

Hence please follow the below steps to make the linux server recognize the HDD

Step 1 : Login to the linux server as root user

Step 2 : Execute the below command to check whether HDD has been recognized by your server
              #fdisk -l

Step 3 : If not recognized then please execute the below command.
             # echo "- - -" > /sys/class/scsi_host/host0/scan

Step 4 : Now check (fdisk -l) to check whether it is recognized