-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Timothy Murphy a écrit : | François Patte wrote: | |> I have an fc6 install with LVM and want install f8. | | I don't see any problem. If this refers to the preceeding, I agree.... | |> I have 3 hdd: sda, sdb, sdc. |> |> sda has 1 partition: sda1 LVM |> |> sdb has 2 partitions: sdb1 ext3 |> sdb2 LVM |> |> sdc has 1 partition: sdc1 LVM |> |> sdc1 and sdb2 are in the same volume group. |> |> System in living in sdb and sdc and sda is practically free. |> |> The root partition / is on sdb1 and all other vital partitions (/usr, |> swap, /var, /opt, /tmp and /home) are logical volumes on sdc1. |> |> My idea is to perform the new install on sda: sda1 will be the root |> partition /, and build a volume group sda2 for /usr, swap, /opt /tmp and |> /var; /home will be left where it is. |> |> Here begins my problem: I would like, after install retrieve (almost) |> all files from fc6 install. For /home, there is no problem, I think |> that, at install time, I will be be asked if I want to keep my /home |> volume wherever it is. But for other volumes (/var where my dns config |> is...) or /opt (where my texmf and some other out of standard are) I |> don't know how to get them once the new system will be installed. |> |> How could I access to these partitions for, now, they are mounted on |> /dev/mapper/.... but these devices are created at boot time in the /dev |> which is on sdb1 and, even if I mount /dev/sdb1 from the fresh install, |> I will be unable to access them because the new system is mounted on |> sda..... | | I haven't understood the details of your setup. | But couldn't you run Knoppix (or one of the other Linux-on-a-CD's) | and activate your LVM partitions with "vgchange -a y" (as root)? This I don't know, I think that I could do something like this using the rescue cd. | Won't "lvdisplay" then tell you the names of the corresponding devices? The problem is there: ~ ~]# lvdisplay ~ --- Logical volume --- ~ LV Name /dev/fedora/usr <snip> This /dev is the one which is currently working on the fc6 (so, in sdb1 partition). Once f8 will be installed on sda, there will be a /dev for f8 on sda1 but even if I mount /dev/sdb1 (which an ext3 partition, the "/dev" of this fc6 partition will be empty because the device "fedora" is created during the fc6 boot.... So, I don't know how to mount the "old" logical volumes. | |> Another (related) question: is it possible, through grub, to have the 2 |> systems (f8 and fc6) working? I mean, not at the same time but possibly |> choosen at boot time? what are the magic command to give before |> installing the bootloader, during the installation of f8, in order to |> get this possibility. | | Again, I'm not sure of your exact question, | but it is certainly possible to have grub stanzas | corresponding to different versions of Fedora. Yes, of course. | | Personally, I would not rely on the Fedora installation | to setup things as I desire. | I would install F8, and then re-write grub.conf | to contain one or more entries for FC-6. | You shouldn't need to re-install grub, as far as I can see. I was just wondering if I could write some "grub.conf" at install time... Thanks for your answer. - -- François Patte UFR de mathématiques et informatique Université Paris Descartes Tél. +33 (0)1 44 55 35 61 http://www.math-info.univ-paris5.fr/~patte -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iD8DBQFHnwsYdE6C2dhV2JURAv/mAJsEMPVHS4qEMilYwE6jKegevoDm3gCeJu6R NIDBiZ4RF0lyu0U8Wm3KhUk= =nbd3 -----END PGP SIGNATURE-----
