On 3/1/2016 9:53 AM, Emmanuel Noobadmin wrote: > However, the latest C7 server I built, ran into problems with them on > on a Intel C236 board (SuperMicro X11SSH) with tons of "ata bus error > write fpdma queued". Googling on it threw up old suggestions to limit > SATA link speed to 1.5Gbps using libata.force boot options and/or > noncq. Lowering the link speed helped to reduce the frequency of the > errors (from not getting a smartctl output to getting a complete > listing within 2 tries). any chance your SATA cables aren't up to SATA3 (6gbps) performance levels ? the C236 chipset is the server version of the Z170, latest Skylake family chipset. -- john r pierce, recycling bits in santa cruz