not enough space on disk to upgrade

[Samuel Sieb]

On 11/11/2013 12:35 PM, Felix Miata wrote:
> I don't seem to be able to find a yum option to not download everything
> before installing anything. Thus, before upgrading has begun, yum has
> reduced freespace to 10%, and transaction check thinks it needs more
> than what was required before beginning to proceed with the upgrade.
> Freespace before trying to upgrade was 21%, which I would expect to
> change no more than nominally as a result of upgrading. Is there no such
> option?

What happens if you start the upgrade, then lose your network connection 
or for some other reason can't get all the packages?  You have a good 
chance of not being able to boot your system after that.