Re: Linux 2.6.29

Jeff Garzik
2009-03-30T20:36:07Z

Michael Tokarev wrote:
> In the SATA world, I've seen no single case. Seagate (7200.9..7200.11,
> Barracuda ES and ES2), WD (Caviar CE, Caviar Black, Caviar Green,
> RE2 GP), Hitachi DeskStar and UltraStar (old and new), some others --
> all the same, no DPO or FUA.

If your drive supports NCQ, it is highly likely it supports FUA.

By default, the libata driver _pretends_ your drive does not support FUA.

grep the kernel source for libata_fua and check out the module parameter
'fua'

Jeff