On Mon, 14 Feb 2005, Shawn Fertch wrote: > I did some work bases off of your thoughts, here's the output. > > [root at netman etc]# vgcreate /dev/vg01 /dev/md4 > vgcreate -- no valid physical volumes in command line Oh, wait - sorry, didn't think this all the way through. What I said about the md devices still applies (I think!), but are you creating the pv's before the vg's? Simple LVM howto: http://www.mythtv.org/docs/mythtv-HOWTO-22.html#ss22.3 (I know, there are better ones, but the MythTV site's the one I knew the location of quickly. *grin*) basically, you need to do a 'pvcreate /dev/md4', then a 'vgcreate vg01 -s XX /dev/md4' -- Nate Carlson <natecars at real-time.com> | Phone : (952)943-8700 http://www.real-time.com | Fax : (952)943-8500