On Mon, 1 July 2013 19:23:25 +0000, James Bottomley wrote: > On Mon, 2013-07-01 at 13:44 -0400, Jörn Engel wrote: > > If a single device is bad, don't ever do a host > > reset. > > This isn't a tenable position. Sometimes a device looks bad because the > host state for it has gone insane. At that point, the only safe action > is a reset of the host to sane state. > > I could be persuaded that you should never do the transport equivalent > of a bus reset (on non-SPI transports, at least), which is actually hard > to do on some of the modern transports, but I don't think you can get > away without having a host reset in the eh arsenal.
Fair enough. Hardware being hardware and hardware bugs being hard to fix, I see your point. However, we shouldn't screw the poor user who has paid a premium for a second HBA to get some redundancy and reset both of them at the same time. That would, you know, defeat the redundancy. ;) Jörn -- A victorious army first wins and then seeks battle. -- Sun Tzu -- 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
