Bug#987008: Grub fails to find LVM volume after previous LV rename

[Hoyer, David]

On Sat, 28 Aug 2021 09:57:35 +0200 Rogier <rogier777 at gmail.com> wrote: 
> Additional information for the benefit of anybody who uses LVM and 
> grub, and is unsure if or when this problem will affect them: 
> 
> Besides the system being rendered unbootable, another symptom of this 
> problem being acute is that, at that time, update-grub will most 
> probably(*) print messages of the following kind, one for each LVM 
> filesystem affected: 
> 
> grub-probe: error: disk `lvmid/******-****-****-****-****-****- 
> ******/******-****-****-****-****-****-******' not found. 
> 
> The immediate workaround, if this problem occurs, would be to make 
> another modification to the LVM configuration. Then run update-grub 
> again. For verification, the following command can also be used: 
> 
> grub-probe -d /dev/mapper/<device corresponding to one of the LVs> -t 
> fs 
> 
> If the problem is acute, the error message should be printed, if it is 
> not acute, then there should be no error message (no warranties :-). 
> 
> Kind regards, 
> 
> Rogier. 
> 
> 
> (*) but not if os-prober is disabled for update-grub. 
> 
> 
> 
I have tested the patch and it fixes the issue we were seeing.