分片已启动 (index_shard_started_exception) 错误排查与解决

GET /_cat/shards?v

POST /_cluster/reroute
{
  "commands": [{
    "move": {
      "index": "<index>",
      "shard": 0,
      "from_node": "node1",
      "to_node": "node2"
    }
  }]
}