UEFI and GPT

Mike Chambers mike at miketc.net
Sat Dec 24 22:52:38 UTC 2011


On Sat, 2011-12-24 at 20:42 -0600, mike at localhost wrote:

Got F16 installed and so far so good.  Now, it did NOT detect, or at
least added my Windows (first OS on 1st HD) to my grub.  I tried
manually but something bout no EFI selection.

Is there something specific have to do, to get grub to recognize my
windows partition on my system, that seems to use UEFI?

[mike at scrappy ~]$ sudo fdisk -l

Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 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 identifier: 0x4915b5ad

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2048      206847      102400    7  HPFS/NTFS/exFAT
/dev/sda2          206848  1929320447   964556800    7  HPFS/NTFS/exFAT
/dev/sda3      1929320448  1953521663    12100608    7  HPFS/NTFS/exFAT

WARNING: GPT (GUID Partition Table) detected on '/dev/sdb'! The util
fdisk doesn't support GPT. Use GNU Parted.


Disk /dev/sdb: 750.2 GB, 750156374016 bytes
255 heads, 63 sectors/track, 91201 cylinders, total 1465149168 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 identifier: 0x00000000

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1               1  1465149167   732574583+  ee  GPT


Grub entry..

# grub.conf generated by anaconda
# Note that you do not have to rerun grub after making changes to this
file.
# NOTICE:  You do not have a /boot partition. This means that all kernel
and
#          initrd paths are relative to /, eg.
#          root (hd1,0)
#          kernel /boot/vmlinuz-version ro root=/dev/sdb2
#          initrd /boot/initrd-[generic-]version.img
boot=/dev/sdb1
device (hd1,1) HD(1,800,1f4000,c564ef72-d44b-44c0-8ef2-82fa930de789)
default=0
timeout=12
splashimage=(hd1,1)/boot/grub/splash.xpm.gz
hiddenmenu
title Fedora
(3.1.6-1.fc16.x86_64)                                                                                                                                                                                                           
        root
(hd1,1)                                                                                                                                                                                                                         
        kernel /boot/vmlinuz-3.1.6-1.fc16.x86_64 rd.md=0 rd.lvm=0
rd.dm=0  KEYTABLE=us quiet SYSFONT=latarcyrheb-sun16 rhgb rd.luks=0
root=UUID=77c5e7c1-1038-4757-a85a-0b7cdfec7e4a ro
LANG=en_US.UTF-8                                     

initrd /boot/initramfs-3.1.6-1.fc16.x86_64.img                                                                                                                                                                                       
                                                                                                                                                                                                                                             
title Windows
7                                                                                                                                                                                                                              
        rootnoverify
(hd0,0)                                                                                                                                                                                                                 
        chainloader +1  

Any ideas?

Mike Chambers





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