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Old 02-04-06, 12:23 PM   #1
zillah
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Default Two Hard Disks and GRUB location /dev/hdb6

I have got two HDs, each one 40 GB. Connected to one cable to IDE0 (one hard disk master and the other is slave).

A- First HD (master or hda) is divided into :
1/A- 15 GB NTFS for XP.
2/A- 5 GB FAT32 for Storage.
3/A- 20 GB NTFS for win2003.

I had already installed both windows (XP and 2003).


B- Second HD (slave or hdb) is divided into :
1/B- 20 GB Solaris (hdb1,,,to be installed later).
2/B- 5 GB NTFS for Storage (hdb2).
3/B- 500 MB Linux swap (hdb3).
4/B- 14.5 GB ext3 Linux (hdb4).


When I started to install Linux FC4, I reached the option for :

Install Boot loader record on:
/dev/had Master Boot Record (MBR)

/dev/hdb6 First sector of boot partition.


I have choosen /dev/had Master Boot Record (MBR).


When I finished installation both windows and Linux,,,I have been greeted with grub,,,,first I booted winodws OS,,,then I restared the machine,,,the greeting of grub GUI disappered,,,,I have received this message (grub shell or native grub) :

Code:
[Minimal BASH-like line editing is supported. For the first word, TAB lists possible command completions. Anywhere else TAB lists the possible completions of a device/filename.] 
grub>
I Loaded a Live CD and type "fdisk -l" to find out:
Code:
root@0[knoppix]# fdisk -l 

Disk /dev/hda: 40.0 GB, 40016019456 bytes 
255 heads, 63 sectors/track, 4865 cylinders 
Units = cylinders of 16065 * 512 = 8225280 bytes 

   Device Boot      Start         End      Blocks   Id  System 
/dev/hda1   *           1        1959    15735636    7  HPFS/NTFS 
/dev/hda2            1960        2612     5245222+   c  W95 FAT32 (LBA) 
/dev/hda3            2613        4865    18097222+   7  HPFS/NTFS 

Disk /dev/hdb: 40.0 GB, 40020664320 bytes 
255 heads, 63 sectors/track, 4865 cylinders 
Units = cylinders of 16065 * 512 = 8225280 bytes 

   Device Boot      Start         End      Blocks   Id  System 
/dev/hdb1   *           1        2611    20972826   bb  Boot Wizard hidden 
/dev/hdb2            2612        3264     5245222+   c  W95 FAT32 (LBA) 
/dev/hdb3            3265        4865    12860032+   5  Extended 
/dev/hdb5            3265        3328      514048+  82  Linux swap / Solaris 
/dev/hdb6            3329        4865    12345921   83  Linux

Code:
[root@0[knoppix]# cat /mnt/hdb6/boot/grub/menu.lst 
# 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 (hd1,5) 
#          kernel /boot/vmlinuz-version ro root=/dev/hdb6 
#          initrd /boot/initrd-version.img 
#boot=/dev/hda 
default=0 
timeout=5 
splashimage=(hd1,5)/boot/grub/splash.xpm.gz 
hiddenmenu 
title Fedora Core (2.6.11-1.1369_FC4) 
        root (hd1,5) 
        kernel /boot/vmlinuz-2.6.11-1.1369_FC4 ro root=LABEL=/ rhgb quiet 
        initrd /boot/initrd-2.6.11-1.1369_FC4.img 
title WinXP and 2003 
        rootnoverify (hd0,0) 
        chainloader +1
Code:
[root@0[knoppix]#cat /boot/grub/device.map 
# this device map was generated by anaconda 
(fd0)             /dev/fd0 
(hd0)            /dev/hda 
(hd1)            /dev/hdb
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Old 02-08-06, 01:42 AM   #2
ricercar
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Default Re: Two Hard Disks and GRUB location /dev/hdb6

When I saw a GRUB command line unexpectedly with a Fedore core install (VMware ESX Server), it was because I had installed the MBR on the wrong hard drive of a multi-drive machine. YMMV.
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Old 02-08-06, 04:59 AM   #3
seeker
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Default Re: Two Hard Disks and GRUB location /dev/hdb6

Quote:
I have choosen /dev/had Master Boot Record (MBR).
This may have been a typo, but it probably should have been /dev/hda1(or 0). I am not a Linux guru, and am struggling with this system myself, because the first partition of hda is given as 1 in one place and 0 in another. I'm not going to attempt to give you specific advice, because it would probably be wrong. However, I think that you may need to edit /boot/grub and or /etc/fstab. Check this with someone that really knows, or from documentation.
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