On Mon, 19 Nov 2007, James Smart wrote: > Also, don't forget that you need to sequence spin-up. A jbod tower with > multiple drives all spinning up concurrently can overload the power > supply. Most towers avoid this at power-on by having drive jumpers > sequence the drives. This is a hard nut to crack as it requires some > notion of physical packaging. When I worked on this in the past, the > only reasonable approach was to sequence based on target id.
What happens during an ordinary system resume? Don't the drives all get spun-up concurrently then? Or does the sd_start_stop_device() routine wait until the disk is fully spun-up before returning? Alan Stern - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
