On 11/28/2014 11:35 PM, Goffredo Baroncelli wrote:
I agree with you; but I have to find a "default" so during the boot
a system can start even if snapshots are present.
No, you really _don't_ need to find such a default.
Better a system that doesn't boot than one that boots based on a guess.
I've been spending a lot of time thinking about booting while writing
underdog (http://underdog.sourceforge.net) and while booting is fragile,
an even partially incorrect boot is a system and _security_ nightmare.
If you start making preferential guesses then an intruder could trick
the system into booting from a thumb-drive or other alternate media by
coercing a UUID colision in a way that the system picks the new media.
Conflicts should _never_ be guessed at during boot. Ever.
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