F15 preupgrade: lots of uneraseable dupes

Alan Cox alan at lxorguk.ukuu.org.uk
Mon Oct 10 22:09:19 UTC 2011

> Unless my memory's wrong, there are three steps: run preupgrade, 
> selecting the appropriate Fedora version.  Reboot into the preupgrade. 
> Reboot into your new version.  Of course, that second step sometimes 
> takes a bit of paying attention, but that's how it's designed to work 
> and it's always done so for me on both my desktop and laptop.

You forgot step 1 - make a full backup. Preupgrade still eats systems now
and then or can go pear shaped. It may do it a lot less but it is not
perfect, and all of the full system update paths get pretty hard to clean
up on things like a power cut.


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