Greetings Pascal, > Sent: Wednesday, September 05, 2018 at 10:44 PM > From: "Pascal Hambourg" <[email protected]> > To: [email protected] > Subject: Re: debugging grub2 > > Le 05/09/2018 à 21:14, daggs a écrit : > > > > el torito format has partitions, see; > > No. El Torito is just a bootable format extension for ISO 9660. It does > not provide partitions. I stand corrected.
> > > $ fdisk -l /nfs_home/home/dagg/CentOS-7-x86_64-DVD-1804.iso > > > > Disk /nfs_home/home/dagg/CentOS-7-x86_64-DVD-1804.iso: 4470 MB, 4470079488 > > bytes, 8730624 sectors > > Units = sectors of 1 * 512 = 512 bytes > > Sector size (logical/physical): 512 bytes / 512 bytes > > I/O size (minimum/optimal): 512 bytes / 512 bytes > > Disk label type: dos > > Disk identifier: 0x4c545524 > > > > Device Boot Start > > End Blocks Id System > > /nfs_home/home/dagg/CentOS-7-x86_64-DVD-1804.iso1 * 0 > > 8730623 4365312 0 Empty > > /nfs_home/home/dagg/CentOS-7-x86_64-DVD-1804.iso2 2368 > > 20343 8988 ef EFI (FAT-12/16/32) > > This is the DOS partition table in the MBR of the ISO-hybrid image. It > is used only when the image is written to a disk, thumbdrive or flash > card. It is not part of El Torito and ignored (by EFI/BIOS firmwares) > when the image is written on optical media. I'm booting from a virtual optical cd, I'm not burning the image. actually, that explains why I see it as (hd0) on the other machine. interesting... I think I know why it isn't working. thanks for the info. Dagg. _______________________________________________ Help-grub mailing list [email protected] https://lists.gnu.org/mailman/listinfo/help-grub
