$ mysqlsh
# 3つのインスタンス作成　出力略
 MySQL  JS > dba.deploySandboxInstance(3310)
 MySQL  JS > dba.deploySandboxInstance(3320)
 MySQL  JS > dba.deploySandboxInstance(3330)

# マスターになる端末に接続
 MySQL  JS > \c root@localhost:3310

# レプリカセットの作成
 MySQL  localhost:3310 ssl  JS > dba.createReplicaSet("repl1")
A new replicaset with instance '127.0.0.1:3310' will be created.

* Checking MySQL instance at 127.0.0.1:3310

This instance reports its own address as 127.0.0.1:3310
127.0.0.1:3310: Instance configuration is suitable.

* Updating metadata...

ReplicaSet object successfully created for 127.0.0.1:3310.
Use rs.addInstance() to add more asynchronously replicated instances to this replicaset and rs.status() to check its status.

<ReplicaSet:repl1>

# レプリカセットへスレーブとなるノードの追加
 MySQL  localhost:3310 ssl  JS > dba.getReplicaSet().addInstance("root@localhost:3320")
You are connected to a member of replicaset 'repl1'.
Adding instance to the replicaset...

* Performing validation checks

This instance reports its own address as 127.0.0.1:3320
127.0.0.1:3320: Instance configuration is suitable.

* Checking async replication topology...

* Checking transaction state of the instance...

〈略〉

Please select a recovery method [C]lone/[I]ncremental recovery/[A]bort (default Clone): C
* Updating topology
Waiting for clone process of the new member to complete. Press ^C to abort the operation.
* Waiting for clone to finish...
NOTE: 127.0.0.1:3320 is being cloned from 127.0.0.1:3310
** Stage DROP DATA: Completed
** Clone Transfer  
    FILE COPY  ####################################################  100%  Compl
    PAGE COPY  ####################################################  100%  Compl
    REDO COPY  ##################################################  100%  In Progress
NOTE: 127.0.0.1:3320 is shutting down...

* Waiting for server restart... ready
* 127.0.0.1:3320 has restarted, waiting for clone to finish...
** Stage RESTART: Completed
* Clone process has finished: 61.11 MB transferred in about 1 second (~inf TB/s)

** Configuring 127.0.0.1:3320 to replicate from 127.0.0.1:3310
** Waiting for new instance to synchronize with PRIMARY...

The instance '127.0.0.1:3320' was added to the replicaset and is replicating from 127.0.0.1:3310.

 MySQL  localhost:3310 ssl  JS > dba.getReplicaSet().addInstance("root@localhost:3320")
〈略〉

MySQL  localhost:3310 ssl  JS > dba.getReplicaSet().status()
You are connected to a member of replicaset 'repl1'.
{
    "replicaSet": {
        "name": "repl1", 
        "primary": "127.0.0.1:3310", 
        "status": "AVAILABLE", 
        "statusText": "All instances available.", 
        "topology": {
            "127.0.0.1:3310": {
                "address": "127.0.0.1:3310", 
                "instanceRole": "PRIMARY", 
                "mode": "R/W", 
                "status": "ONLINE"
            }, 
            "127.0.0.1:3320": {
                "address": "127.0.0.1:3320", 
                "instanceRole": "SECONDARY", 
                "mode": "R/O", 
                "replication": {
                    "applierStatus": "APPLIED_ALL", 
                    "applierThreadState": "Slave has read all relay log; waiting for more updates", 
                    "receiverStatus": "ON", 
                    "receiverThreadState": "Waiting for master to send event", 
                    "replicationLag": null
                }, 
                "status": "ONLINE"
            }, 
            "127.0.0.1:3330": {
〈略〉
    }
}