➜  bin git:(master) ✗ ./pd-server --cluster-id=1 \
          --host="127.0.0.1" \
          --name=pd1 \
          --port=11234 \
          --http-port=19090 \
          --client-port=12379 \
          --peer-port=12380 \
          --initial-cluster="pd1=http://127.0.0.1:12380"
flag provided but not defined: -initial-cluster
Usage of pd:
  -L string
        log level: debug, info, warn, error, fatal (default "info")
  -advertise-client-port uint
        advertise port for client traffic (default '{client-port}')
  -advertise-peer-port uint
        advertise port for peer traffic (default '{peer-port}')
  -advertise-port uint
        advertise server port (deprecate later) (default '{port}')
  -client-port uint
        port for client traffic (default 2379)
  -cluster-id uint
        initial cluster ID for the pd cluster
  -config string
        Config file
  -data-dir string
        path to the data directory (default 'default.{name}') (default "default.pd")
  -host string
        host for outer traffic (default "127.0.0.1")
  -http-port uint
        http port (deprecate later) (default 9090)
  -initial-cluser string
        initial cluster configuration for bootstrapping (default '{name}=http://{host}:{advertise-peer-port}')
  -initial-cluster-state string
        initial cluster state ('new' or 'existing') (default "new")
  -name string
        human-readable name for this pd member (default "pd")
  -peer-port uint
        port for peer traffic (default 2380)
  -port uint
        server port (deprecate later) (default 1234)
2016/07/28 15:09:40 main.go:37: [error] parse cmd flags err flag provided but not defined: -initial-cluster