[ZFS] Problems with SATA disks (SET TRANSFERT MODE ...)

[Rick C. Petty]

On Wed, Apr 18, 2007 at 04:14:54PM +0200, Dag-Erling Sm?rgrav wrote:
> "Rick C. Petty" <rick-freebsd at kiwi-computer.com> writes:
> > The ideal solution is to figure out why the Promise doesn't properly
> > reinitialize after a detach/attach..  if that's even possible.
> 
> It shouldn't detach / attach in the first place.  The primary issue
> (in my view) is the DMA timeout.

I completely agree that the DMA timeouts should be less sensitive to
"disappearing drives" when in fact the drives are just fine.  However, it
can't hurt to fix the attach/detach problem also, because it's perfectly
legitimate to hot-swap SATA drives.

-- Rick C. Petty