xinglp wrote: > 2013/3/21 Bruce Dubbs <[email protected]>: >> Baho Utot wrote: >> >>> I have done some (not much) research and it looks like linux only >>> supports booting to gtp partitions only if using 64 bit os. This is >>> from the Fedora site. I am going to Arch linux site to see if they say >>> the same. >> >> What I read was that Windows doesn't support gpt on a 32-bit system. >> >> Here is a link I found: http://www.funtoo.org/wiki/GUID_Booting_Guide >> >> The example table is outdated. We really don't want the first partition >> to start at sector 34. gpt does the right thing by default and aligns >> everything at 1 MiB boundaries. >> >> See also https://wiki.archlinux.org/index.php/GUID_Partition_Table >> >> Note there is says: >> >> GRUB(2) requires a 1007 KiB BIOS Boot Partition (EF02 type code in gdisk >> and bios_grub flag in GNU Parted) in BIOS systems to embed its core.img >> file due to lack of post-MBR embed gap in GPT disks. Runtime GPT support >> in GRUB(2) is provided by the part_gpt module. >> >> The grub partition is raw (unformatted). I think I posted this before. >> >> Number Start (sector) End (sector) Size Code Name >> 1 2082 4129 1024.0 KiB EF02 BIOS boot part >> 2 4130 208929 100.0 MiB 8300 Linux fs >> 3 208930 8392737 3.9 GiB 8300 Linux fs >> 4 8392738 11968424 1.7 GiB 8200 Linux swap >> 5 11968425 20971486 4.3 GiB 8300 Linux fs > > if the "BIOS boot part" at 34 - 2047 sector, and then it is just 1007.0 KiB. > Number Start (sector) End (sector) Size Code Name > 1 34 2047 1007.0 KiB EF02 > 2 2048 1361886 664.0 MiB 8300 vm1_part1 > Althrough the first partion is not aligned, but it is just 1007.0 KiB.
That's a good point. I hadn't thought about that, but I think you're right. -- Bruce -- http://linuxfromscratch.org/mailman/listinfo/blfs-support FAQ: http://www.linuxfromscratch.org/blfs/faq.html Unsubscribe: See the above information page
