On Tue, Apr 14, 2015 at 12:55:14PM +0200, David Sommerseth wrote: > > What I've not seen discussed here is the purpose of using RAID1. I > guess it is related to avoid data loss in case one drive dies. The > other thing I'm guessing is that SSD is wanted due to the performance. > Correcto. SSD, HDD, punch cards, you still need protection against single device failure. These days, "hardware is free", compared to cost of down time, cost of manual crash recovery, etc. -- Konstantin Olchanski Data Acquisition Systems: The Bytes Must Flow! Email: olchansk-at-triumf-dot-ca Snail mail: 4004 Wesbrook Mall, TRIUMF, Vancouver, B.C., V6T 2A3, Canada