On Mon, 24 Mar 2008, Eugene Teo wrote:
<quote sender="Gian Paolo Mureddu">
Ian Weller escribió:
How does Ubuntu do it? I remember upgrading my sister's computer with
one click, and it appeared to work perfectly -- until she decided to
unplug the computer during the upgrade. >.< I have no clue what the end
result would've been, but it was probably the best upgrade interface
ever.
I'm not sure how does Ubuntu do it, but it shouldn't be too hard to find
out by dissecting it and going through the sources. At any rate it has been
brought up before and the general consensus is that upgraded systems do
suffer performance degradation in one way or another, mainly due to
settings sticking from previous versions and the like. Still there should
be a way to upgrade without suffering that performance hit, sadly I
couldn't say how to do it. Every time it is mentioned, though, is
disregarded; or at least, that's what it looks like.
A fallback system would be nice, but it needs to be an option, because
not everyone has enough hard drive space.
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