init step failed to run.

cat /etc/mongod.conf
~~
...
replSet = PRODrs
~~
~~
> rs.status();
{
"startupStatus" : 3,
"info" : "run rs.initiate(...) if not yet done for the set",
"errmsg" : "can't get local.system.replset config from self or any seed (EMPTYCONFIG)",
"ok" : 0
}
> rs.initiate();
{
"info2" : "no configuration explicitly specified – making one",
"me" : "sd1pxx06lx.sakdirect.com:27017",
"errmsg" : "couldn't initiate : can't find self in the replset config",
"ok" : 0
}
~~