On 8/2/2011, at 9:55pm, Alan McKinnon wrote:
> ...
> If you're a gambling man, play it by the numbers:
> 
> A re-install for a Gentoo user with a clue is a certain 1 hour of your life 
> tops to get it redone with a recent stage 3, more likely 30 minutes. That 
> will 
> give you a working system albeit one a bit out of date that emerge -avunD 
> world will fix nicely.

That makes no sense to me at all.

There are stage3s built on a daily basis - they won't be out of date at all. 
But they don't include system logger, cron, locale, or any of your 
personalisations.

On any kind of complex system it will take me more than a day to set those up - 
can I be sure that I'll get them right first time, every time? 

If we're talking about an older system then I need to back up everything so 
that I can copy files the files I missed from the /etc to the new one.

If you're talking about stuff like KDE then that alone is going to take more 
than an hour to compile.

I understood that a backup that was of your own system - that might be a bit 
out of date but which includes these things - was called a stage4. And in that 
case you're still faced with the problem that it's probably just as out of date 
as the install which is proving difficult to update in the first place.

My experience of a system which was a year or even 18 months old was that it 
did have some blockers and some bugs which had been addressed here months 
before. It did require me to pull some files out of Gentoo's CVS attic and 
emerge the old ebuilds from my local tree, before they could be updated to 
current. But I knew that the configuration was sound and that all I had to do 
was address the blocker and then resume the `emerge -ud world`- the emerging is 
something that can go on in the background whilst I'm not paying attention. 

Stroller.


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