diskscan: diskscan (Scan HDD/SSD for failed and near failed sectors) diskscan: diskscan: DiskScan scans the entire surface of a disk, alerts when a sector is diskscan: unreadable, and uses the read timing to warn when a sector is having diskscan: problems. diskscan: It will tell when a disk has failed and already has bad sectors and diskscan: also when the disk is near failure and takes too long to read the diskscan: data. diskscan: diskscan: diskscan: