host1:
  id: 1
  name: 10.0.0.1
  ip: 10.0.0.1
  mac: AA:BB:CC:DD:EE:FF
  os: Microsoft Windows XP Processional Service Pack 3
  netbios: host1
  fqdn: host1.risutests.com
  start: Fri May 13 17:52:18 2011
 
host2:
  id: 2
  name: 10.0.0.2
  ip: 10.0.0.2
  mac: AA:BB:CC:DD:EE:FE
  os: Linux Ubuntu 10.10
  netbios: host2
  fqdn: host2.risutests.com
  start: Fri May 13 17:52:18 2011

host1:
  id: 1
  name: 10.0.0.1
  ip: 10.0.0.1
  mac: AA:BB:CC:DD:EE:FF
  os: Microsoft Windows XP Processional Service Pack 3
  netbios: host1
  fqdn: host1.risutests.com
  start: 2011-05-13 17:52:18

host2:
  id: 2
  name: 10.0.0.2
  ip: 10.0.0.2
  mac: AA:BB:CC:DD:EE:FE
  os: Linux Ubuntu 10.10
  netbios: host2
  fqdn: host2.risutests.com
  start: 2011-05-13 17:52:18

Change start to a valid sql date format
Change start to a valid sql date format
