S.M.A.R.T.

S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology; often written as SMART) is a monitoring system included in computer hard disk drives (HDDs) and solid-state drives (SSDs)[1] that detects and reports on various indicators of drive reliability, with the intent of enabling the anticipation of hardware failures.

키워드 : hard disk 하드디스크
검색어 : os x bad sector check
출처 : https://en.wikipedia.org/wiki/S.M.A.R.T.
레퍼런스 :
Checking for bad blocks without formatting
Hard drive S.M.A.R.T. Status says verified tech people say hard drive needs to be replaced
My SMART status says the disk is failing