replicasetの状態確認太郎

mongoで、replicasetの状態確認するぽ。
replicasetは3台構成。

./mongo localhost:ポート番号
#XXXはIP、NNNNはポート。
> db._adminCommand("replSetGetStatus")
{
 "set" : "shard2",
 "date" : "Fri Feb 18 2011 22:37:23 GMT+0900 (JST)",
 "myState" : 2,
 "members" : [
  {
   "_id" : 0,
   "name" : "XXX.XXX.XXX.XXX:NNNNN",
   "health" : 1,
   "state" : 1,
   "uptime" : 25844,
   "lastHeartbeat" : "Fri Feb 18 2011 22:37:23 GMT+0900 (JST)"
  },
  {
   "_id" : 1,
   "name" : ""XXX.XXX.XXX.XXX:NNNNN",",
   "health" : 1,
   "state" : 2,
   "self" : true
  },
  {
   "_id" : 2,
   "name" : ""XXX.XXX.XXX.XXX:NNNNN",",
   "health" : 1,
   "state" : 2,
   "uptime" : 25844,
   "lastHeartbeat" : "Fri Feb 18 2011 22:37:22 GMT+0900 (JST)"
  }
 ],
 "ok" : 1
}

state:1は、primary 2はsecondcary
health:1は、server生きてる。0は死んでる。