Yum requires "clean all" to work

[Fedora User]

On Thu, 9 Feb 2012 03:27:10 +0100
suvayu ali <fatkasuvayu+linux at gmail.com> wrote:

> On Thu, Feb 9, 2012 at 02:47, Mikkel L. Ellertson
> <mellertson at gmail.com> wrote:
> > Dumb question - is you system time/date correct? Before downloading
> > the package list, yum checks the time stamp, and if it is older then
> > the data it already has, it does not update its list. When you do a
> > clean all, it erases the data, and has to download it again. It then
> > checks the package information against the installed packages to see
> > if there is a newer version.
> 
> Another possibility might be the OP's metadata_expire is set to a
> long value.
> 

I have not included a metadata_expire value. It should default to 90
minutes. I am really stumped. I cannot recall a hard poweroff that
would correlate to this behavior (often the cause of corruption).