[Elasticsearch] elasticsearch 啟動錯誤 Cluster name subdirectory exists in data paths
用 homebrew 裝完 elasticsearch 後, 啟動時發生了錯誤 $ elasticsearch [2019-04-16T17:30:04,562][INFO ][o.e.d.DiscoveryModule ] [-jRyECD] using discovery type [zen] and host providers [settings] [2019-04-16T17:30:05,151][INFO ][o.e.n.Node ] [-jRyECD »