Redirect Grub or copy new boot

Sat Mar 12 12:30:47 UTC 2005

Paul Howarth wrote:

>On Sat, 2005-03-12 at 20:24 +0900, Mark Sargent wrote:
>  
>
>>Paul Howarth wrote:
>>
>>    
>>
>>>On Sat, 2005-03-12 at 16:24 +0900, Mark Sargent wrote:
>>> 
>>>
>>>      
>>>
>>>>Hi All,
>>>>
>>>>after not finding any solution for my previous FC2 install(couldn't load 
>>>>X system), I went ahead and did a fresh install of FC3 on to another 
>>>>partition. I didn't create another boot partition, as I was thinking I 
>>>>could either redirect grub to the boot dir for the new install or copy 
>>>>the dir/files onto the existing boot partition. Which way would you 
>>>>do/have done it..? Cheers.
>>>>
>>>>new install = /dev/hda5
>>>>boot partition = /dev/hda9
>>>>old install = /dev/hda12
>>>>   
>>>>
>>>>        
>>>>
>>>I usually install with multiple partitions/logical volumes anyway.
>>>
>>>I assume that your entire new installation went into /dev/hda5 and you
>>>didn't tell the installer to re-use the existing /boot partition
>>>in /dev/hda9?
>>>
>>>You can configure your existing FC2 grub to chain-load the FC3 grub
>>>      
>>>
>>>from /dev/hda5, or you could copy the grub.conf kernel entries from your
>>    
>>
>>>FC3 install into your FC2 grub.conf. I would do the former rather than
>>>the latter, because the latter would require you to repeat the operation
>>>every time you upgraded the FC3 kernel.
>>>
>>>If you post the output of "fdisk -l /dev/hda" and your FC2 grub.conf
>>>file, you might get more specific help.
>>>
>>>Paul.
>>> 
>>>
>>>      
>>>
>>Hi All,
>>
>>here is what was asked for. FC2 grub.conf and fdisk output,
>>
>>Grub:
>># grub.conf generated by anaconda
>>#
>># Note that you do not have to rerun grub after making changes to this file
>># NOTICE:  You have a /boot partition.  This means that
>>#          all kernel and initrd paths are relative to /boot/, eg.
>>#          root (hd0,9)
>>#          kernel /vmlinuz-version ro root=/dev/hda11
>>#          initrd /initrd-version.img
>>#boot=/dev/hda
>>default=0
>>timeout=10
>>splashimage=(hd0,8)/grub/splash.xpm.gz
>>password --md5 $1$zVCW8EN2$ZVsfDdJMJGmcxb/qge15k0
>>title Fedora Core (2.6.10-1.14_FC2)
>>    root (hd0,8)
>>    kernel /vmlinuz-2.6.10-1.14_FC2 ro root=LABEL=/ rhgb quiet
>>    initrd /initrd-2.6.10-1.14_FC2.img
>>title Fedora Core (2.6.10-1.12_FC2)
>>    root (hd0,8)
>>    kernel /vmlinuz-2.6.10-1.12_FC2 ro root=LABEL=/ rhgb quiet
>>    initrd /initrd-2.6.10-1.12_FC2.img
>>title Fedora Core (2.6.9-1.11_FC2)
>>    root (hd0,8)
>>    kernel /vmlinuz-2.6.9-1.11_FC2 ro root=/dev/hda12 rhgb quiet
>>    initrd /initrd-2.6.9-1.11_FC2.img
>>title Fedora Core (2.6.9-1.6_FC2)
>>    root (hd0,8)
>>    kernel /vmlinuz-2.6.9-1.6_FC2 ro root=/dev/hda12 rhgb quiet
>>    initrd /initrd-2.6.9-1.6_FC2.img
>>title Fedora Core (2.6.5-1.358)
>>    root (hd0,8)
>>    kernel /vmlinuz-2.6.5-1.358 ro root=/dev/hda12 rhgb quiet
>>    initrd /initrd-2.6.5-1.358.img
>>title Windows
>>    rootnoverify (hd0,0)
>>    chainloader +1
>>    
>>
>
>My, what a lot of kernels you still have!
>
>  
>
>>FDisk:
>>Disk /dev/hda: 45.0 GB, 45020602368 bytes
>>255 heads, 63 sectors/track, 5473 cylinders
>>Units = cylinders of 16065 * 512 = 8225280 bytes
>>
>>   Device Boot      Start         End      Blocks   Id  System
>>/dev/hda1   *           1         510     4096543+   b  W95 FAT32
>>/dev/hda2             511        5473    39865297+   f  W95 Ext'd (LBA)
>>/dev/hda5   *         511        1020     4096543+   7  HPFS/NTFS
>>/dev/hda6            1021        2138     8980303+   b  W95 FAT32
>>/dev/hda7            2139        3688    12450343+   7  HPFS/NTFS
>>/dev/hda8            3689        3943     2048256    b  W95 FAT32
>>/dev/hda9            3944        3956      104391   83  Linux
>>/dev/hda10           3957        4086     1044193+  82  Linux swap
>>/dev/hda11           4087        4596     4096543+   b  W95 FAT32
>>/dev/hda12           4709        5473     6144831   83  Linux
>>
>>Paul, I also tried to point grub to the partition like below, but, it 
>>generated errors,
>>
>>root (hd0,4)
>>filesystem type unknown, partition type 0x7
>>
>>setup (hd0)
>>Error 17: Cannot mount selected partition
>>    
>>
>
>Didn't you install grub in /dev/hda5 during your FC3 install? If so, why
>are you trying to reinstall grub?
>
>  
>
>>Don't un this, as I can mount the partition under the old install like so,
>>
>>mount -t ext3 /dev/hda5 /mnt/hda5
>>
>>And, I also don' un why it shows as HPFS/NTFS when I formatted as ext3.
>>    
>>
>
>The partition type entries in the partition table don't have to
>accurately represent the filesystems those partitions are formatted
>with, but it causes some confusion (e.g. for grub) when they don't. You
>can use fdisk ("t" command) to fix the partition types. Did you delete a
>4GB NTFS partition and use the space to install FC3?
>
>If you installed grub in the root partition (/dev/hda5, not the MBR)
>during your FC3 install, you should already have grub installed in
>(hd0,4) and the following addition to your FC2 grub.conf should be
>sufficient to run it:
>
>title Fedora Core 3
>    rootnoverify (hd0,4)
>    chainloader +1
>
>Paul.
>  
>
Hi All,

Paul, I got the following at boot,

Error 13: Invalid or unsupported executable format

I also made the change with the t command in fdisk, and made the ID = 
83. I definitely have a /boot dir on hd4. Cheers.

Mark Sargent.