Yossi, the upgrade should have brought you compatible user space and kernel LVM parts. Can you find your VG(s) running vgdisplay? /dev/mg0 is no valid logical volume name to be use for mounting. Must be something like /dev/YourVGName/YourLVName. On Wed, Jul 17, 2002 at 05:17:33PM +0200, Yossi wrote: > Upgraded from RH7.1 to RH7.3. The 7.1 was built with the lvm patch to > the kernel. The 7.3 RH kernel has lvm built in. After the upgrade, I > receive the message "/dev/mg0 not a block device" when I try to mount > it. I tried exporting the vg and importing it without errors but it > still doesn't mount. I suspect that this may be due to different > versions of the kernel part of the lvm versus the usermode parts of lvm. > > Thanks for any help, > > L. Baker > MVS, Ltd. > > > _______________________________________________ > linux-lvm mailing list > linux-lvm@sistina.com > http://lists.sistina.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html -- Regards, Heinz -- The LVM Guy -- *** Software bugs are stupid. Nevertheless it needs not so stupid people to solve them *** =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Heinz Mauelshagen Sistina Software Inc. Senior Consultant/Developer Am Sonnenhang 11 56242 Marienrachdorf Germany Mauelshagen@Sistina.com +49 2626 141200 FAX 924446 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- _______________________________________________ linux-lvm mailing list linux-lvm@sistina.com http://lists.sistina.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html