Hi I got the same issue, but when I deleted repodata from my local repo and resynced from the rsync master, it sorted itself out. I believe this may have been caused by the firefox update which was released about the same time as 7.3 Anyway, I no longer have the problem (for now).
Cheers Bill -----Original message----- > From:jdow <j...@earthlink.net> > Sent: Monday 30th January 2017 10:30 > To: scientific-linux-users@fnal.gov > Subject: Anacron has an upset tummy over sl-security > > /etc/cron.daily/0yum-daily.cron: > > Not using downloaded repomd.xml because it is older than what we have: > Current : Wed Jan 25 11:54:42 2017 > Downloaded: Wed Jan 25 11:54:25 2017 > Update notice SLBA-2015:2562-1 (from sl-security) is broken, or a bad > duplicate, > skipping. > You should report this problem to the owner of the sl-security repository. > Update notice SLBA-2016:1445-1 (from sl-security) is broken, or a bad > duplicate, > skipping. > Update notice SLBA-2016:1526-1 (from sl-security) is broken, or a bad > duplicate, > skipping. > ... many more > > > > I thought this was supposed to be fixed. This suggests there still is some > form > of problem with the sl-security repo. > > {^_^} Joanne > >