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Re: Wheezy USB Harddrive install grub2 issues



On 05/14/2012 02:01 AM, Tom H wrote:
On Fri, May 11, 2012 at 9:46 AM, Indulekha<indulekha@theunworthy.com>  wrote:

8< snip I'm sorry if I cut too deeply last time

So when you install grub and boot, if possible make sure no other usb
disks are plugged in and see how that goes.

There are no other non-optical storage devices connected at all, no USB no SATA no IDE & I'll leave it that way until I've fixed this.
If I run

ls -la /dev/disk/by-path/
total 0
drwxr-xr-x 2 root root  80 May 13 21:30 .
drwxr-xr-x 6 root root 120 May 13 21:30 ..
lrwxrwxrwx 1 root root   9 May 14 01:43 pci-0000:00:12.2-usb-0:6:1.0-scsi-0:0:0:0 -> ../../sda
lrwxrwxrwx 1 root root  10 May 14 01:30 pci-0000:00:12.2-usb-0:6:1.0-scsi-0:0:0:0-part1 -> ../../sda1

ls -la /dev/disk/by-id/
total 0
drwxr-xr-x 2 root root 160 May 13 21:30 .
drwxr-xr-x 6 root root 120 May 13 21:30 ..
lrwxrwxrwx 1 root root   9 May 14 01:43 ata-ST1000LM010-9YH146_Z110VXRS -> ../../sda
lrwxrwxrwx 1 root root  10 May 14 01:30 ata-ST1000LM010-9YH146_Z110VXRS-part1 -> ../../sda1
lrwxrwxrwx 1 root root   9 May 14 01:43 scsi-SSeagatePortable -> ../../sda
lrwxrwxrwx 1 root root  10 May 14 01:30 scsi-SSeagatePortable-part1 -> ../../sda1
lrwxrwxrwx 1 root root   9 May 14 01:43 wwn-0x5000c500464bb542 -> ../../sda
lrwxrwxrwx 1 root root  10 May 14 01:30 wwn-0x5000c500464bb542-part1 -> ../../sda1

grub-install /dev/disk/by-id/scsi-SSeagatePortable
Installation finished. No error reported.

update-grub
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

Then I reboot and go back to the grub> prompt and have to run
linux /vmlinuz root=/dev/sda1 ro
initrd /initrd.img
boot

to get the system started

+1 for the number of disks plugged.

UUIDs aren't of any use when installing grub to the MBR because
they're a property of the filesystem and not the disk. You might be
able to use "/dev/disk/by-id/..." instead of "/dev/sdX", at least in
more recent grub versions.

I've passed grub-install all three of the ids listed above and /dev/sda but so far none of them worked.

Any other ideas?

Thanks for all your help.


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