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Disk BootOrder.

PostPosted: Mar 18th, '25, 10:56
by laidlaws
Disk BootOrder.

I have 3 disks:
](a) An SSD in M.2. format.
(b) A 1 TB hard disk.
(c)a 1 GB PATA HD.

I originally wanted the SSD to be /dev/sdc as a backup drive, but neither the salesgirl nor I knew any different. There was a place for it on the motherboard.
I FORGOT TO SAY: IF i RUN THssd ALONE, it is no longer detected.)
The mnew drive was configured as /dev/sda. Since
(aq)
(a)ver argue with computers, I accepted that. But Windoews 10 m wanted to use /dev/sda.
The forums offered two solutions:(a)(a)
(a) Change the boot sequence with efibootmgr;
(b) Edit /etc/default/grub to set the initial boot disk.
The second is only a Linux fix, while the first is more likely to edit the BIOS for every OS.

Am I right in my thinking?

Re: Disk BootOrder.

PostPosted: Mar 18th, '25, 16:48
by laidlaws
Answering myself: I can't make /dev/sdc visible.The most straightforward answer is to put everything on sdb.

Re: Disk BootOrder.

PostPosted: Mar 18th, '25, 18:50
by doktor5000
FWIW there's no relation between what the SCSI device names are and what order you configure in your BIOS/UEFI, those are independent.

Re: Disk BootOrder.

PostPosted: Apr 14th, '25, 13:02
by laidlaws
I read to change the sequenvce of the first 3 or so entries in efibootmgr. I tri

Re: Disk BootOrder.

PostPosted: Apr 14th, '25, 17:01
by doktor5000
Your post seems cut off. For how to change the ordner check https://askubuntu.com/questions/485261/ ... efibootmgr