On Thu, 2012-05-31 at 09:45 -0700, Dan Williams wrote: > On Thu, May 31, 2012 at 1:15 AM, Harald Hoyer <harald.hoyer@xxxxxxxxx> wrote: > > For Fedora17 scsi_wait_scan is not used anymore in the normal initramfs. I > > removed it and raid is only tried to be started in degraded mode after a timeout > > (several udevadm settle waits plus some extra 10 seconds). > > I'm probably missing something, but that sounds like "sprinkle > timeouts until it magically works"? If udevadm settle is being used > as a discovery barrier shouldn't it be closing the loop with > wait_for_device_probe() in the kernel? No, that was pretty much the whole point of booting async. It only really matters in huge numbers of devices systems (like san connected beasts). What you *really* want is the boot to proceed immediately after root appears and let the rest of the device probing continue in parallel. James -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html