Hello, On Mon, Jul 23, 2012 at 01:14:00AM +0200, Matthias Prager wrote: > as it turns out my workaround (setting allow_restart=1) isn't all that > useful after all. There are no more i/o errors because the drive just > never goes to standby mode anymore (at least 'hdparm -y /dev/sda' does > not seem to have any effect anymore). I don't really understand why - do > sas drives ever get to standby mode? (they have allow_restart=1 set by > default) And is this desired or expected behavior for sata disk on sas > controllers? > > For the moment the only way for me to have my sata drives sleeping > without i/o errors is to revert your original commit > (85ef06d1d252f6a2e73b678591ab71caad4667bb - tested with kernels 3.1.10, > 3.4.4, 3.4.5, 3.4.6 and 3.5.0)
Hmmm... I think we definitely need help from mpt people. Ping, guys. > P.S. I hope I'm not getting on everybody's nerves here (especially yours > Tejun) Not at all. :) Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
