On Mon, 17 Apr 2017, Pat Riehecky wrote:
Scientific Linux 6.9 i386/x86_64 Apr 17, 2017SL 6x users: Please run yum clean expire-cache
That did not work for me, but yum clean metadata did.Sorry, I have lost the original error message, but it was to the effect that the cached metadata was newer than the downloaded metadata
and I was using a server or mirror at ftp.scientificlinux.org.
SL Mirrors should consider running a sync at this time.