grub boot failed after upgrading to ubuntu 12.04 LTS

Posted by user138021 on Server Fault See other posts from Server Fault or by user138021
Published on 2012-09-24T08:11:30Z Indexed on 2012/09/24 9:39 UTC
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Filed under:

ubuntu-12.04

|

grub2

|

uefi

no such disk error occured.

I tried to format and reinstall 12.04, the problem remained. I also repaired with boot-repair, the problem remained. http://paste.ubuntu.com/1224005/ is url of the details.

server is dell R710, the bios is set to uefi and disk is raid0 gpt. I typed commands in grub rescue:

ls (hd0, gpt2), `no such partition' is shown
set, `prefix=((null),gpt2)/grub' is shown

I don't know why /efi/ubuntu/grubx64.efi doesn't recognize disk. another strange thing is that there is only 1 file in /efi/ubuntu

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