On 09-07-27 13:08:33, Aldo Foot wrote: > On Sun, Jul 26, 2009 at 8:40 PM, Tony > Nelson<tonynelson@xxxxxxxxxxxxxxxxx> wrote: > > I have two hard drives I want to boot from, each with its own LVM2 > > Volume Group. I can boot from the one on the same drive as Grub, > > but not from the other one. Apparantly, only Logical Volumes from > > the boot drive's Volume Group are detected before / is mounted > > (something about "activation", perhaps?). Googling only shows how > > to detect Volume Groups and activate Logical Volumes after / is > > mounted. I can't find any kernel LVM parameters that would affect > > this (and I'd need the LVM stuff built-in to the kernel, not as a > > module). > > > > Can Linux use a Volume Group that isn't on Grub's boot volume? > > > > Must I add a boot partition on the second disk and chainload to it? > > ____ > > Are you saying that you have /boot in a VG and you can boot from it? No. > Not sure what you mean by "activate". The LVs are treated like any > other partition with its filesystem that it's checked at boot time. > There is no "switch" o turn LVs on and off, except for the entry in / > etc/fstab that looks for a device to check and mount according to > what you specify. This is wrong. In order to use an LVM Logicial Volume, first a `vgscan` may be needed to make the Volume Groups known, and then the desired Logical Volumes must be Activated with `vgchange -ay`. Only Available Logical Volumes can be mounted. -- ____________________________________________________________________ TonyN.:' <mailto:tonynelson@xxxxxxxxxxxxxxxxx> ' <http://www.georgeanelson.com/> -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines
