My issue was the VDP space
Check this table
http://screencast.com/t/LPOvxDdbK
this command fixed my issue and VDP scheduler is started again after freeing up some space
1. su - admin
2. mccli event show --unack=true | grep "22631"
3. If the #2 returns events, run the next command
4. mccli event ack --all=true