On Thu, 2008-03-20 at 11:38 +0000, Luciano Rocha wrote: > On Thu, Mar 20, 2008 at 08:58:04PM +1000, Da Rock wrote: > > > > On Thu, 2008-03-20 at 10:22 +0000, Luciano Rocha wrote: > > > You can use the install/recovery disc for Fedora. On the command line, > > > you'll have to prefix the lvm commands with lvm, like this: > > > > > > lvm pvscan > > > lvm vgscan > > > lvm vgchange > > > ... > > > > > > > Good to know- a shortcut. Is this under repair on the install cd? > > Yes, or you can boot to the installation screen, then switch to the 2nd > console (ctrl+alt+f2), where you'll find a command prompt. > > > > 1. edit grub.conf, change root= to the new name > > > 2. edit etc/fstab, change swap, root, etc. to use new name > > > 3. re-create initrd, as it has the vg name hardcoded: > > > mkinitrd -f -v /boot/initrd-`uname -r`.img `uname -r` > > > > > > You can do this while the system is running, and then reboot. No need > > > for recovery/lice cd (if everything goes fine; you'll need it if the > > > system no longer boots). > > > > > > > Surely not if you've just changed the name using the repair disk? But > > very succinctly put- I've only done this once and it took several hours > > following from instructions on a page. I had trouble remembering the > > exact steps myself. > > Yes, if the change was made in the repair disk, the kernel version will > probably be different, and the paths are relative to the system's root. > > But the rename can be done while the system is running, so only the > followin pass is missing: > 0. vgrename ... > > > > I'd suggest that new Fedora releases create a random name for the VG and > > > that their initrd/nash support getting the vg from the root= kernel > > > command line. > > > > > > Regards, > > > Luciano Rocha > > > > You don't think setting it to the machine name is any good? Given > > current install procedures, what do you suggest to prevent this? > > Obviously something manually. > > Currently the filesystem is defined before the network (and, thus, the > hostname). Also, you might have two different installations with the > same hostname (like a new install to a new set of hard disks). > > But I do use the hostname as the VG, so I think that's best, probably > with current date appended (like: hostname080320). > > Regards, > Luciano Rocha Good to know. Thanks
