Subj : Re: How to reset dual boot Linux:Win GRUB after "inaccessible boot devi
To   : Mike Easter
From : Carlos E.R.
Date : Wed Dec 05 2018 23:02:14

On 05/12/2018 21.03, Mike Easter wrote:
> Paul wrote:
>> Just about everything on those disks, can be torn
>> apart and reassembled, and lashed together again.
>> And Arlen is the person to do it. A little Macrium
>> here (partition movement), some LiveCD there, and
>> you can fix it.
>
> I sense that Arlen needs to understand grub's 3 parts better.  Maybe he
> could visit the wp article and the grub docs in whatever depth
> necessary.  He could also use some repair tools just to examine what he
> has before he tries to take them apart and reassemble, such as supergrub
> 2, rescatux, or boot-repair from a live cd/usb.  Even a little hex dump
> could see grub's part 1 'signature' in the mbr.
>
> He has 3 tera worth of disks there, 2 WDs & a Tosh.  I would hope
> there's enough spare space to move some things around.

Or, you can just use "bootinfoscript" script, and it will tell you how
boot is organized.

Download from here and run - in Linux, of course, but a live may do -:

<https://github.com/arvidjaar/bootinfoscript/raw/master/bootinfoscript>

--
Cheers, Carlos.

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