From: NoEMail@home.org   
      
   Pascal Hambourg  wrote:   
   > Le 21/08/2021 ?? 03:34, root a ??crit??:   
   >> Pascal Hambourg  wrote:   
   >>>   
   >>> You demonstrate that the BIOS drive order is not in the order of sda,   
   >>> sdb, sdc... (which is as unreliable as the BIOS drive order anyway)   
   >>>   
   >>>> It comes out this way even if I use the blockID   
   >>>   
   >>> What is the blockID ?   
   >>   
   >> UUID   
   >   
   > Using a UUID won't change drive numbers or names. Its purpose is only to   
   > associate a persistant identifier with a block device regardless of the   
   > variable device number or name.   
   >   
   > Th "search" command in your grub.cfg is wrong, as I explained in a   
   > previous reply :   
   >   
   > --set=root=UUID is wrong. Replace with --set=root   
      
   I'm sorry I didn't respond earlier. I will make the change   
   and report back.   
      
   I know you didn't suggest the uuid solution, but I want to   
   comment that the uuid changes if I re-write the partition,   
   as in formatting and copying new contents. Most of   
   these partitions are backups so that wouldn't work.   
   Even then it didn't change the problem.   
      
   I've done some more diagnosis of the problem. I have   
   entries in grub.cfg to boot into the first partition   
   on drives sda,sdb, and sdc. In each case I see   
   that I am in the correct partition after booting.   
   That means that grub identifies hd0 as sda, hd1 as sdb,   
   and hd2 as sdc.   
      
   However, when I try to boot into sdc2  as hd2,2 it says there   
   is no such partition and similarly for hd2,3 and hd2,4.   
      
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