[lug] LVM and software raid

[Nick Golder]

On 2006-10-02 16:43 -0600, Sean Reifschneider wrote:
> On Mon, Oct 02, 2006 at 02:09:10PM -0600, Nick Golder wrote:
> >upgrading from a 2.6.17 kernel (debianized) to a 2.6.17-xen kernel (also
> >debianized) and LVM did something strange - the PV Name has changed from
> >/dev/md0 to /dev/sdc1 (sdc1 being a member of md0).  The best I can
> 
> It sounds like somehow the LVM setup got confused.  You *NEED* it to be
> using /dev/md0, not /dev/sdc.  That is probably the reason for your issues.
> You may be able to export/import or something similarly clever, but you may
> just want to re-create the PV and LV, if there's no important existing data
> on it.
> 
> I wonder whether you have the /dev/sd[ac] partitions properly tagged as
> type "fd" (Linux RAID autodetect).  Check that in fdisk.  That may be why
> you're seeing that.

It looks like it is a bug in the Debian Installer Etch Beta 3 release.
Component-devices don't seem to get tagged as type 'fd' if they are the
first item in the list.  I hope to test some more and file a br in the
next few days.

-- 
-Nick Golder