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Re: Wheezy USB Harddrive install grub2 issues



On Fri, May 11, 2012 at 03:13:52PM +0800, Bob wrote:
> So I ran an apt-get dist-upgrade today and it broke booting
> 
> gurb-pc wasn't updated (it was last updated on my system on the 2nd
> of march) linux-image-3.2.0-2-amd64 however was updated & it ran
> update-grub as it should.
> 
> https://help.ubuntu.com/community/Grub2#Command_Line_and_Rescue_Mode
> When I turn my PC on I end up at the grub> prompt & if I folow the
> instructions on the page above & type
> 
> set root=(hd0,1)
> linux /vmlinuz root=/dev/sda1 ro
> initrd /initrd.img
> boot
> 
> the system boots. once booted I run one of the commands below & reboot
> update-grub2
> grub-install --root-directory=/ /dev/sda
> dpkg-reconfigure grub-pc
> 
> only to end up at the grub> prompt again.
> 
> I have nice sata removable hard drive bays so when I'm doing this
> the USB drive is the only drive connected to the system
> 
> >root@USBHDebian:~# uname -a
> >Linux USBHDebian 3.2.0-2-amd64 #1 SMP Mon Apr 30 05:20:23 UTC 2012 x86_64 GNU/Linux
> 
> >root@USBHDebian:~# update-grub2
> >Generating grub.cfg ...
> >Found background image: /usr/share/images/desktop-base/desktop-grub.png
> >Found linux image: /boot/vmlinuz-3.2.0-2-amd64
> >Found initrd image: /boot/initrd.img-3.2.0-2-amd64
> >Found memtest86 image: /boot/memtest86.bin
> >Found memtest86+ image: /boot/memtest86+.bin
> >Found memtest86+ multiboot image: /boot/memtest86+_multiboot.bin
> >done
> 
> >root@USBHDebian:~# ls -la /dev/disk/by-id/
> >total 0
> >drwxr-xr-x 2 root root 160 May 10 22:40 .
> >drwxr-xr-x 6 root root 120 May 10 22:40 ..
> >lrwxrwxrwx 1 root root   9 May 11 02:40 ata-ST1000LM010-9YH146_Z110VXRS -> ../../sda
> >lrwxrwxrwx 1 root root  10 May 11 02:40 ata-ST1000LM010-9YH146_Z110VXRS-part1 -> ../../sda1
> >lrwxrwxrwx 1 root root   9 May 11 02:40 scsi-SSeagatePortable -> ../../sda
> >lrwxrwxrwx 1 root root  10 May 11 02:40 scsi-SSeagatePortable-part1 -> ../../sda1
> >lrwxrwxrwx 1 root root   9 May 11 02:40 wwn-0x5000c500464bb542 -> ../../sda
> >lrwxrwxrwx 1 root root  10 May 11 02:40 wwn-0x5000c500464bb542-part1 -> ../../sda1
> >root@USBHDebian:~# cat /boot/grub/device.map
> >(hd0)	/dev/disk/by-id/scsi-SSeagatePortable
> >root@USBHDebian:~# grub-install --root-directory=/ /dev/sda
> >Installation finished. No error reported.
> 
> 
> Any help would be greatly appreciated.
> Thank you for your time.
> Best Regards
> Bob
> 
> 

Probably want to skip that "--root-directory" option, unless you're 
trying to avoid the mbr for some valid reason... 
Might want to stick with genuine Debian documentation, too, unless 
you're actually running Ubuntu...

HTH!
-- 
❤ ♫ ❤ ♫ ❤ ♫ ❤   
 Indulekha 


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