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/data/dbファイルを作成しましたが、これはうまくいきませんでした。私は、次のエラーを得た：/data/dbファイルを作成しても 'mongod'が実行されていない
2017-12-26T11:08:35.428-0500 I CONTROL [initandlisten] MongoDB starting : pid=41342 port=27017 dbpath=/data/db 64-bit host=Carloss-MBP.home
2017-12-26T11:08:35.429-0500 I CONTROL [initandlisten] db version v3.4.10
2017-12-26T11:08:35.429-0500 I CONTROL [initandlisten] git version: 078f28920cb24de0dd479b5ea6c66c644f6326e9
2017-12-26T11:08:35.429-0500 I CONTROL [initandlisten] OpenSSL version: OpenSSL 1.0.2m 2 Nov 2017
2017-12-26T11:08:35.429-0500 I CONTROL [initandlisten] allocator: system
2017-12-26T11:08:35.429-0500 I CONTROL [initandlisten] modules: none
2017-12-26T11:08:35.429-0500 I CONTROL [initandlisten] build environment:
2017-12-26T11:08:35.429-0500 I CONTROL [initandlisten] distarch: x86_64
2017-12-26T11:08:35.429-0500 I CONTROL [initandlisten] target_arch: x86_64
2017-12-26T11:08:35.429-0500 I CONTROL [initandlisten] options: {}
2017-12-26T11:08:35.429-0500 I STORAGE [initandlisten] exception in initAndListen: 98 Unable to lock file: /data/db/mongod.lock Resource temporarily unavailable. Is a mongod instance already running?, terminating
2017-12-26T11:08:35.429-0500 I NETWORK [initandlisten] shutdown: going to close listening sockets...
2017-12-26T11:08:35.429-0500 I NETWORK [initandlisten] shutdown: going to flush diaglog...
2017-12-26T11:08:35.429-0500 I CONTROL [initandlisten] now exiting
2017-12-26T11:08:35.429-0500 I CONTROL [initandlisten] shutting down with code:100
のmongoサーバはコマンドmongoと正常に動作、私は手動でも/data/db/mongod.lockファイルを作成する必要がありますか？ここで何が起こっているのか分かりません....