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Re: RAID1 & UEFI: support for twin ESPs in GRUB

On Tue, Jan 26, 2016 at 10:13:58AM -0600, Lee Fisher wrote:
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I believe that, even if you were to implement this, there needs to
be clarity from the UEFI forum on what the expected,
spec-compliant behavior is when there are multiple ESP's,
especially since I doubt it is well tested. Without this
information, anything Debian might implement ends up as just a
hack, and bugs mostly would end up actually being differences in
implementation that no BIOS vendor would actually consider a bug.

Perhaps starting with the UEFI Forum's new FOSS-centric mailing list,
might be a good start. Other FOSS OSes would presumably have to deal
with this, not just Debian. If you are not a UEFI Forum member, maybe
you can find a proxy who can help you, if they're interested in
multiple ESP support. AFAIK, Debian is not a member of UEFI Forum, so
you'll have to try Canonical, Red Hat, or SuSE.



(Added Francesco back since he said he's not subscribed to this list.)

Agreed, and that list is what I had in mind as a starting point for Francesco. Membership in the UEFI forum is not necessary to join that list and start discussing there.


Jared Domínguez
OS Architect
Linux Engineering
Dell | Client Software Group

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