Cron <root at gpu2> run-parts /etc/cron.hourly

[Cron Daemon]

/etc/cron.hourly/0yum-hourly.cron:

Traceback (most recent call last):
  File "/usr/sbin/yum-cron", line 735, in <module>
    main()
  File "/usr/sbin/yum-cron", line 732, in main
    base.updatesCheck()
  File "/usr/sbin/yum-cron", line 624, in updatesCheck
    self.populateUpdateMetadata()
  File "/usr/sbin/yum-cron", line 428, in populateUpdateMetadata
    self.pkgSack # honor skip_if_unavailable
  File "/usr/lib/python2.7/site-packages/yum/__init__.py", line 1075, in <lambda>
    pkgSack = property(fget=lambda self: self._getSacks(),
  File "/usr/lib/python2.7/site-packages/yum/__init__.py", line 778, in _getSacks
    self.repos.populateSack(which=repos)
  File "/usr/lib/python2.7/site-packages/yum/repos.py", line 347, in populateSack
    self.doSetup()
  File "/usr/lib/python2.7/site-packages/yum/repos.py", line 157, in doSetup
    self.retrieveAllMD()
  File "/usr/lib/python2.7/site-packages/yum/repos.py", line 106, in retrieveAllMD
    repo._retrieveMD(nmdtype, async=True, failfunc=failfunc)
  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 1897, in _retrieveMD
    **kwargs)
  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 994, in _getFile
    ) % (os.path.dirname(local), format_number(avail), format_number(long(size)))
yum.Errors.RepoError: Insufficient space in download directory /var/cache/yum/x86_64/7/epel
    * free   8.1 M
    * needed 12 M