Assertion: drive failure | /r/HasProperty | correlated in time
Facets:
value: highly
type: DEGREE
Source sentences:
text: A similar 2007 study at CMU on enterprise drives showed that measured MTBF was 3–4 times lower than the manufacturer's specification, with an estimated 3% mean AFR over 1–5 years based on replacement logs for a large sample of drives, and that hard drive failures were highly correlated in time.