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<H1>[Mageia-dev] Proposal: Updating released versions (long post)</H1>
<B>Michael Scherer</B>
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TITLE="[Mageia-dev] Proposal: Updating released versions (long post)">misc at zarb.org
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<I>Fri Oct 8 13:32:11 CEST 2010</I>
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<PRE>Le vendredi 08 octobre 2010 à 09:36 +0200, Luca Berra a écrit :
><i> On Thu, Oct 07, 2010 at 07:49:29PM -0400, Frank Griffin wrote:
</I>><i> >
</I>><i> >(Here's the biggie :-) )
</I>><i> >4) We need to enhance the urpmi.recover functionality and bring it fully
</I>><i> >into mainstream urpmi so that ANY PACKAGE CAN BE ROLLED BACK TO ITS
</I>><i> >PREVIOUS VERSION (sorry for the caps). If we don't want to be stuck
</I>><i> I just read it 3 times, and i still believe doing the above might prove to be a
</I>><i> nightmare.
</I>><i> rolling back a single, well identified change is a doable task.
</I>><i> rolling back proceduraly a complex change becomes exponentially complex
</I>><i> even for experienced system engineers, let alone a piece of software.
</I>
We could, using brtfs/lvm snapshots. But this may produce some hidden
side effects. Maybe we could do the reverse :
ie, we do a clone / snapshot for testing the upgrade ( maybe in a vm,
except a vm would not help to test real hardware issue ), and if people
are not satisfied , they do not put it in "production".
I think there was a presentation about rpm rollback at FOSDEM this year
( or last year, maybe ), but I didn't really listened, as I do not
remember how it ended.
--
Michael Scherer
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