On Thu, 30 Nov 2006 10:39:16 +0100
Christoph Kaegi <kgc@zhwin.ch> wrote:

> On 27.11-17:17, Stephen Borrill wrote:
> > On Mon, 27 Nov 2006, Greg Oster wrote:
> > >Christoph Kaegi writes:
> > >>On 27.11-14:26, Stephen Borrill wrote:
> > >>>>>If all the RAIDframe volumes are autoconfigured (and not via
> > >>>>>"/etc/raind<x>.conf") booting of the CD and using "sysinst"
> > >>>>>should work fine.
> > >>>>>
> > >>>>
> > >>>>When Booting a 3.0 install CD, I made the experience that only
> > >>>>raid0 was detected (I had / on raid0, /usr on raid2, /var on
> > >>>>raid3)
> > >>>
> > >>>It's probably that /dev only contains the raid0 devices. You
> > >>>could try: cd /dev
> > >>>sh MAKEDEV raid1 raid2 raid3
> > >>
> > >>Hm, would this help the kernel recognize more raid devices when
> > >>booting?
> > >>I thought the / fs isn't yet mounted when the kernel
> > >>autoconfigures the raid devices.
> > >
> > >You are correct.  If raid2 and raid3 are "autoconfigure", then they
> > >should have been picked up and configured automatically, regardless
> > >of what's in /dev.
> > 
> > But you won't be able to do much with them and the error message
> > along the lines of "device not configured" could refer to both
> > situations.
> > 
> > Does dmesg show only the one? How about sysctl hw.disknames?
> > 
> 
> OK, I found the following:
> 
> (raidsets are all "autoconfigure")
> 
> - dmesg shows all raidsets (raid0 - raid3)
> - /dev has only devicefiles for raid0*
> - sysctl hw.disknames shows all raid devices (raid[0123])
> - sysinst shows *only* raid0, together with wd0 and wd1 as 
>   possible targets to install NetBSD on
> - raidctl -s raid0 is ok
> - raidctl -s raid[123] doesn't work
> - going into shell, cd /dev, MAKEDEV raid1 raid2 raid3 fixes
>   raidctl -s raid[123] *and* sysinst now shows raid[123] as
>   possible install targets.
> 
> Now the remaining question is: How would I tell sysinst, that
> /usr is on raid2a and /var on raid3a?
> 
I haven't retried my upgrade yet, but I *assume* that it just reads
fstab. 



		--Steve Bellovin, http://www.cs.columbia.edu/~smb