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bug#27735: Lookup by UUID

From: Danny Milosavljevic
Subject: bug#27735: Lookup by UUID
Date: Thu, 20 Jul 2017 19:38:01 +0200

Hi Ludo,

> With iso9660, it works… by chance, because GRUB’s “search --fs-uuid”
> fails.  Guess why?  Because it compares UUIDs as strings, and we format
> it as a DCE UUID instead of an ISO UUID.  Sounds familiar no?  :-)

Yeah :)

> So that’s where we are.  Thoughts on how to address it?


>This produces a file named grub.iso, which then can be burned into a CD (or a 
>DVD), or written to a USB mass storage device.
>The root device will be set up appropriately on entering your grub.cfg 
>configuration file, so you can refer to file names on the CD without needing 
>to use an explicit device name. This makes it easier to produce rescue images 
>that will work on both optical drives and USB mass storage devices. 

So... just leave the entire "search" instruction off if it's created by 
grub-mkrescue ?  That's how one could interpret thir "root device" sentence...

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