charliehotel

4 ms·

1. 1.▲
   by charliehotel 20y ago

   infant mortality is practically non-existent for enterprise-class drives and rare for consumer-class drives. there is something to gain by using drives from different manufacturers (or different lots from the same manufacturer) within an ar
2. 2.▲
   by charliehotel 20y ago

   yes, the classic RAID paper assumes that faults are independent. this is not the case. some recent work extends the basic analysis to deal with correlated faults.
3. 3.▲
   by charliehotel 20y ago

   the analysis in this paper is problematic. the main problem is that the authors didn't look at the data by disk model and manufacturing lot. ideally you should remove drives with known problems from the population. known problems? yes. t