entrie with efibootmgr

SUSE Product Topics SLES Install-Boot
1

Hello Forum Users,

I have a problem with a Raid 1 configuration with SLES 12.

I installed two FAT Partitions with EFI beyond the Raid1.

The System boot succesfully from one disk.

Then I have copied the sda1 Partition (FAT for UEFI) to sdb1 (FAT for UEFI).

Now I will create a entrie with „efibootmgr“.

My first question is: Have I use for the efibootmgr command „–disk“ the partition from which the system is not booting?

And second what path, the option „–loader“ by the efibootmgr command, is expected?

I have read two HowTo’s:

The first path is:

/boot/efi/EFI/boot/bootx64.efi

The second path is:

/boot/efi/EFI/sles12/grubx64.efi

and in my System (SLES12) both path exists.

Thank you,
Flo

2

Hi
You only need to use the disk identifier eg /dev/sdb.

So creating an entry would be;

efibootmgr -d /dev/sdb -c -L "SLES 12" -l "\\\\EFI\\\\sles12\\\\grubx64.efi"
efibootmgr -v

You can then use efibootmgr to control boot order, or you system BIOS
efi boot manager.

–
Cheers Malcolm °¿° LFCS, SUSE Knowledge Partner (Linux Counter #276890)
SUSE Linux Enterprise Desktop 12 | GNOME 3.10.1 | 3.12.44-52.18-default
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3

Hi malcolmlewis,

Sorry I can try it earliest on Friday.

Thank you very much,

Flo

4

Hi malcolmlewis,

Thank you it was helpful!

But my Software Raid1 isn’t working as yet.

Should I open a new Thread?

My Installation was without errors, in UEFI and Secure boot mode. Also with btrfs as root partition.

What step I must do after copy the UEFI Partition on the second UEFI boot Partition with „dd“?

It is a „grub2“ thing?

Thank you for reading,
Flo

5

Hi
Yes, if you have other issues, please start a new thread :wink:

For the dd to the second disk/partition, nothing aside from ensuring
disk is gpt, partiton type is set to type ef00 and all should be fine.

–
Cheers Malcolm °¿° LFCS, SUSE Knowledge Partner (Linux Counter #276890)
SUSE Linux Enterprise Desktop 12 | GNOME 3.10.1 | 3.12.44-52.18-default
If you find this post helpful and are logged into the web interface,
please show your appreciation and click on the star below… Thanks!

6

Thank you very much!

It was helpful,

Greetings Flo