GRUB questions

[Bill]

Hi,

On 8/16/23 10:03, Ralf Mardorf via ubuntu-users wrote:
> On Tue, 2023-08-15 at 23:54 -0400, Bill wrote:
>> 1. Can grub handle more than two hard drives?
> No, not just more, but yes, it can handle way more than 2 drives of what
> ever type, HDD, SATA SSD, NVMe SSD... There is certainly a limit you'll
> never reach, but the actual limit is most certainly the limited number
> of ports of your hardware.
>
WS=> The members of the list answered the question is I can dual boot 
more than 2 OS (in my case, Windows 7 and Linux Mint 21.2 - Mate.)  The 
answer to this question seems to be yes.  The other question is a bit 
harder to answer.

Recently, I made an error in reinstalling the Linux and was not careful 
to have the boot loader stay on the Win 7 hard drive (it is "happy" to 
be there.)  By my carelessness, I put the Grub boot loader on the Win 10 
hard drive.  As a result, I was unable to boot Win 10.  Luckily I lost 
no user data because Win 10 is a very recent addition to my computer.  I 
reinstalled Win 10.  Now I want to know...

*When using GRUB (with the boot loader located on the Win 7 hard drive), 
will the Win 10 hard drive be unaffected?*** I don't want to put the 
boot loader on the Win 10 hard drive.  If I choose to use the BIOS boot 
choice option to bypass GRUB on the Win 7 hard drive, will I still be 
able to boot Win 10 normally. In other words, will adding the Win 10 
hard drive to the GRUB list leave the Win 10 hard drive totally unchanged?

Best wishes,

Bill Stanley
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