Hello, On Sat, Jul 21, 2012 at 02:15:56PM +0200, Matthias Prager wrote: > Now I'm not sure this isn't taping over another bug. Which leads me to > my question: What is the correct behavior? > > #1 Issuing a separate spin-up command (START UNIT?) prior to sending i/o > by setting allow_restart=1 for sata disks on sas controllers > > or > > #2 Teaching the sas drivers they do not need spin-up commands and can > simply start issuing i/o to sata disks
I haven't consulted SAT but it seems like a bug in SAS driver or firmware. If it's a driver bug, we better fix it there. If a firmware bug, working around those is one of major roles of drivers, so I think setting allow_restart is fine. 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
