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Old 12-30-2011, 04:09 AM   #1
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Problem booting on GPT partition.

I have a problem after installation debian on 8TB GPT partition (hardware raid5 - adaptec).
After successful installation my system won't boot, and giving me this error:

Grub loading
Welcome to GRUB!
error:file not found
grub rescue >
I'm able to boot to my system using Super Grub2 Disk because it detect my boot entries:
(hd1,gpt2)/boot/vmlinuz-2.6.32-5-amd64 (single)
After logged to Gnome I've reinstalled my Grub:

grub-install /dev/sda
Installation finished. No error reported.
Unfortunately after reboot I have the same error, could you help me?

Here are my partitions:

Using /dev/sda
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) p                                                                
Model: Adaptec RAID 5 (scsi)
Disk /dev/sda: 8987GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt

Number  Start   End     Size    File system     Name  Flags
 1      17.4kB  1018kB  1000kB                        bios_grub
 2      1018kB  8979GB  8979GB  ext3                  boot
 3      8979GB  8987GB  8105MB  linux-swap(v1)
GPT fdisk (gdisk) version 0.5.1

Partition table scan:
  MBR: protective
  BSD: not present
  APM: not present
  GPT: present

Found valid GPT with protective MBR; using GPT.

Command (? for help): p
Disk /dev/sda: 17553141760 sectors, 8.2 TiB
Disk identifier (GUID): 64
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 17553141726
Total free space is 0 sectors (0 bytes)

Number  Start (sector)    End (sector)  Size       Code  Name
   1              34            1987   977.0 KiB   EF02
   2            1988     17537312534   8.2 TiB     EF00
   3     17537312535     17553141726   7.5 GiB     8200

Command (? for help): i
Partition number (1-3): 1
Partition GUID code: 49 (BIOS boot partition)
Partition unique GUID: FE
First sector: 34 (at 17.0 KiB)
Last sector: 1987 (at 993.5 KiB)
Partition size: 1954 sectors (977.0 KiB)
Attribute flags: 0000000000000000
Partition name:

Command (? for help): i
Partition number (1-3): 2
Partition GUID code: 3B (EFI System)
Partition unique GUID: 6D
First sector: 1988 (at 994.0 KiB)
Last sector: 17537312534 (at 8.2 TiB)
Partition size: 17537310547 sectors (8.2 TiB)
Attribute flags: 0000000000000000
Partition name:

Command (? for help): i
Partition number (1-3): 3
Partition GUID code: 4F (Linux swap)
Partition unique GUID: C9
First sector: 17537312535 (at 8.2 TiB)
Last sector: 17553141726 (at 8.2 TiB)
Partition size: 15829192 sectors (7.5 GiB)
Attribute flags: 0000000000000000
Partition name:

Command (? for help):
Old 12-30-2011, 06:54 PM   #2
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That sounds like you haven't built the grub.cfg (correctly). Don't know how Debian does it, but you'll need to run grub-mkconfig - Ubuntu has a wrapper for this (update-grub), I'm sure Debian would have something similar.
Old 01-03-2012, 03:06 AM   #3
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update-grub apllied successfully, but stil the same error in grub

Last edited by zuku; 01-03-2012 at 06:44 AM.
Old 01-20-2012, 09:31 AM   #4
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Location: Tartu, Ċrhus,Nürnberg, Europe
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Did you get it to work?

What I did was essentially following:

a) ensure you have efi boot partition with boot flag on (formated as fat16/32)

b) install grub-efi (not grub-pc)

c) run:
install-grub /dev/sda

d) ensure that grub.cfg (grub64x.cfg in my case) will be copied to your efi boot partition (into a directory like /EFI/grub)

e) Seemingly ubuntu 11.10 still could not handle the correct installation on efi side, so I had to run efibootmgr by hand.


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