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Sent: Monday, 22 October 2012, 17:00
Help-grub Digest, Vol 57, Issue 13
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1. Grub displays Grub Rescue menu (Paul Lewis) (Tom Davies)
2. chainload to second gpt drive (Ilya Hegai)
3. Re: chainload to second gpt drive (Andrey Borzenkov)
I suspect you have done the same as me, the same as the last thread in this list (which i didn't quite understand but suspect i just need to re-read sometime). The SSD is formatted using a GPT table rather than something unsuitable for SSDs?
What i tried was booting into my old OS and then got to a command-line and
Now i can completely successfully boot into any of the OSes on my old drive. There is even a listing for the new drive but when i try to use that one the machine fails to boot up.
So, i unplugged the old drive and left the new one in. A LiveCd session allowed me to reinstall (or install) Grub 2. So now if i have the old Sata Drive plugged in i get all my old OSes but if i unplug it i get the new one. Annoyingly the new one forces me into Mega Glest rather than regular Glest so i'm quite happy staying with the old one.
I do have a feelign that if i just set-up a small partition
at the front of the SSD to dedicate to being a boot-partition and install Grub2 to that then i could have both but i think i would probably still be booting into the old OS!
Is it possible at all? Because when I'm trying to do this to boot efi windows left on my second drive I ether got "not a valid root device" when I set up root with "set root='ahci1,gpt3'" or nothing with just "chainloader (ahci1,gpt3)/efi/Microsoft/Boot/bootmgfw.efi" without setting
root, I've got no drivemap (former map) in my grub2 build (gentoo) btw.
gpt3 is efi system partition, gpt10 is ntfs partition with windows
ps: At least I can load my linux from new ssd (hd0) ;)
В Вс., 21/10/2012 в 20:19 +0400, Ilya Hegai пишет:
> Is it possible at all? Because when I'm trying to do this to boot efi
> windows left on my second drive I ether got "not a valid root device"
> when I set up root with "set root='ahci1,gpt3'" or nothing with just
> "chainloader (ahci1,gpt3)/efi/Microsoft/Boot/bootmgfw.efi" without
> setting root,
Are you booting in UEFI mode in the first place?
Does Windows boot at all if you manually boot from this file usign UEFI
boot menu (or start it from EFI shell)?
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