diskscan: diskscan (tool to scan a block device) diskscan: diskscan: Diskscan is a tool to scan a block device and check if there are diskscan: unreadable sectors,in addition it uses read latency times as an diskscan: assessment for a near failure as sectors that are problematic to read diskscan: diskscan: Diskscan will only perform reads in its disk surface scan so it is diskscan: not destructive. diskscan: diskscan: Homepage-http://blog.disksurvey.org/proj/diskscan diskscan: