Emmanuel Noobadmin wrote:
> Might be slightly OT as it isn't necessarily a CentOS related issue.
>
> I've been using WD Reds as mdraid components which worked pretty well
> for non-IOPS intensive workloads.
>
> 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).
<snip>
Sorry, we don't seem to have any Supermicros with that m/b, but with the
ones we have (all X9* m/bs), as well as our many Dells, old Penguins
(rebranded Supermicro), and HPs, we've had no trouble at all with them,
other than the occasional one that dies.
mark