No specific info about version 2.1. Please visit the main page of Hard Disk Sentinel on Software Informer.
Control the health of your hard disks and removable drives to prevent data loss.
CheckDrive offers you an easy way to check your hard drives for errors.
Know everything about your internal and external drives.
This is a system utility that monitors your hard disk health status constantly.
Monitors and alerts administrator of hard disk SMART attributes and bad sectors.