On Sat, Mar 30, 2002 at 09:02:08PM +1100, Neil Brown wrote: > On Friday March 29, brian@worldcontrol.com wrote: > > On Thu, Mar 28, 2002 at 04:12:37PM -0800, brian@worldcontrol.com wrote: > > > You can read all the gory details of my RAID1 setup at > > > http://www.litzinger.com/raid.html > > > ... > > > I created a bootable RAID 1 setup and everything works fine. > > > > > > Except, every time I power down the system and bring it back > > > up the system reports that the RAID array is unclean and > > > spends and hour doing a reconstruct. > > > > Responding to my own email, the message that flies by > > is 'invalidate: busy buffer'. There are generally > > what looks to be between 3 and 30 of them. > > These messages are normal if your root filesystem is on md/raid. > As the root filesystems is never unmounted, there are still buffers > active when the md devices finally gets turned off and invalidates all > of its buffers. > > It sounds like your machine is getting switched off too quickly after > the raid shuts down and your IDE drives which has said that the data > is safe, haven't actually had a chance to flush it out of cache yet. > > Can you compile without APM support so that it doesn't actually power > down itself? I've recompiled the kernel without APM support. I can reboot the machine without problems. However, I might always have been able to do that. I don't remember. The machine is remote. Next time I'm present at the machine I'll give poweroff a try. Thanks for the help, -- Brian Litzinger <brian@worldcontrol.com> Copyright (c) 2002 By Brian Litzinger, All Rights Reserved - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html