Am Freitag, den 07.08.2009, 21:22 +0200 schrieb Robert Millan: > On Fri, Aug 07, 2009 at 04:29:00PM +0200, Felix Zielcke wrote: > > Am Freitag, den 07.08.2009, 13:27 +0200 schrieb Robert Millan: > > > On Wed, Aug 05, 2009 at 08:18:29AM +0200, Felix Zielcke wrote: > > > > Am Dienstag, den 04.08.2009, 23:19 +0200 schrieb Robert Millan: > > > > > On Fri, Jul 31, 2009 at 06:26:51PM +0200, Felix Zielcke wrote: > > > > > > > > > > > > If we'd do an arbitrary mapping then `grub-probe -t drive' would > > > > > > show > > > > > > the wrong grub device. > > > > > > But except from this I think that would be okay. > > > > > > > > > > We can never garantee that `grub-probe -t drive' will show the > > > > > "right" drive, > > > > > at least on i386-pc, because we don't know how is BIOS going to order > > > > > them. > > > > > > > > Yes drive not, but the partition. > > > > > > It's true, but we don't really make the distinction. UUID search will > > > find > > > a filesystem, which is in a partition (usually), and doesn't rely on > > > partitions > > > being reliable. > > > > > > That's fortunate! It means we don't have to commit to partition numbers > > > being > > > reliable, even if they are right now. > > > > > > Because of this (unless I missed something), at the end of the day the > > > unreliability issue you described doesn't translate into any real problem > > > for us. It just adds more to a problem we already solved. > > > > > > > Unfortunately we don't have UUID support on every filesystem we support > > > > like JFS. But I think it's not that commonly used. > > > > > > Adding UUID support to new filesystems is very easy. I did the first ones > > > with just 5-10 minutes of research and a few lines of coding. > > > > > > Would you like to do JFS ? > > > > I did it now for JFS. > > > > I tried it now out with dos_part set to p + 2 with my find_by_uuid patch > > and now I get a `no such partition' error on my dmraid device. > > So we can't use an arbitary mapping in grub_util_biosdisk_get_grub_dev > > Why not?
well then we would need to change the partition table parsing code to use the same arbitary mapping for GRUB_UTIL && LINUX then grub_util_biosdisk_get_grub_dev and I think that's not really a proper solution. -- Felix Zielcke Proud Debian Maintainer _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org http://lists.gnu.org/mailman/listinfo/grub-devel
