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#1 2011-02-05 11:03:14

Erbil
Member
From: Kosovo
Registered: 2011-02-03
Posts: 9
Website

(SOLVED) How to reinstall grub?

Hi everyone.I have installed Arch linux.But I can't boot.Cause in the end of the installation,I have installed grub to sda1,not sda.How can I re-install grub in Arch Linux 2010.5 ? And how can I know,is Arch installed correctly?
(when I look with Backtrack live cd,there are two partition.I have created /-root partition and /home partition.

There is my disk status :

Disk /dev/hda: 82.3 GB, 82348277760 bytes
255 heads, 63 sectors/track, 10011 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/hda1   *           1        1216     9767488+  83  Linux
/dev/hda2            4463       10010    44564279+   f  W95 Ext'd (LBA)
/dev/hda3            2517        2760     1952768   82  Linux swap
/dev/hda4            1217        2517    10447264   83  Linux
/dev/hda5            4463       10010    44564278+   7  HPFS/NTFS

Partition table entries are not in disk order

Disk /dev/sda: 2003 MB, 2003828736 bytes
64 heads, 32 sectors/track, 1911 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1         324      331776   17  Hidden HPFS/NTFS

Disk /dev/sda1: 339 MB, 339738624 bytes
64 heads, 32 sectors/track, 324 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes

     Device Boot      Start         End      Blocks   Id  System
/dev/sda1p1   *           1         324      331776   17  Hidden HPFS/NTFS

Last edited by Erbil (2011-02-06 18:00:42)

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#2 2011-02-05 13:25:54

vendion
Member
From: Tennessee, USA
Registered: 2010-03-10
Posts: 204
Website

Re: (SOLVED) How to reinstall grub?

http://lmgtfy.com/?q=How+to+install+Grub

Most live CDs, including the Arch install disk, will come with the utilities needed to install Grub, if you get any error code back then Google that error code to see what it means, if there are no errors then grub-install will report "Grub successfully installed".

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#3 2011-02-05 14:07:44

Erbil
Member
From: Kosovo
Registered: 2011-02-03
Posts: 9
Website

Re: (SOLVED) How to reinstall grub?

How can I know Arch Linux grub version ?(grub,grub2?) Or can I use,which I want?
https://wiki.archlinux.org/index.php/Gr … B.27s_root
https://wiki.archlinux.org/index.php/Gr … to_the_MBR
I have tried to write mbr with this method.But this method get me an error message ;
      BOOTING 'Arch Linux'
  root  DEVICE NOT FOUND
  ERROR 11  : Unrecognized device string

Last edited by Erbil (2011-02-05 14:08:40)

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#4 2011-02-05 19:35:37

mcsilva
Member
From: Portugal
Registered: 2009-12-16
Posts: 95

Re: (SOLVED) How to reinstall grub?

As far as I understand you have two disks.
1 - /dev/hda with several partitions, where /dev/hda1 and /dev/hda4 are linux partitions.
2 - /dev/sda with windows partitions
Is that right?

Where is /boot directory?
Where is / (root) directory?

I can only guess. /dev/hda1 seems to be 10GB size, so it is possible you have / and /boot in the same partition. Perhaps /dev/hda4 is /home partition (??) Is it?

Erbil wrote:

      BOOTING 'Arch Linux'
  root  DEVICE NOT FOUND
  ERROR 11  : Unrecognized device string

This seems you didn't write root partition correctly in menu.lst
If this is the case, check if /boot/grub/menu.lst contains:

# (0) Arch Linux
title Arch Linux [/boot/vmlinuz26]
root (hd0,0)
kernel /vmlinuz26 root=/dev/hda1 ro
initrd /kernel26.img

As you see, boot points to root partition in /dev/hda1

You can use ArchLinux CD to check this.
If /boot is in /dev/hda1 you have to call grub (as root) like that:
# grub
>root (hd0,0)   ==> this means, root partition is in the first partition of the first disk.
>setup (hd0)    ==> grub is saved on the MBR of the first disk.
>quit

Now try to reboot without ArchLinux CD.

Erbil wrote:

How can I know Arch Linux grub version ?(grub,grub2?)

# grub --version

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#5 2011-02-06 17:59:40

Erbil
Member
From: Kosovo
Registered: 2011-02-03
Posts: 9
Website

Re: (SOLVED) How to reinstall grub?

Thank you.I've installed grub and checked  menu.lst file.There was something wrong.So I fixed it.And now,I'm in Arch.

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