2017-06-13T09:06:32.866+0000 I CONTROL  [initandlisten] MongoDB starting : pid=39875 port=28018 dbpath=/data-raid/mongo/data 64-bit host=mongo-vm08
2017-06-13T09:06:32.866+0000 I CONTROL  [initandlisten] db version v3.4.2
2017-06-13T09:06:32.866+0000 I CONTROL  [initandlisten] git version: 3f76e40c105fc223b3e5aac3e20dcd026b83b38b
2017-06-13T09:06:32.866+0000 I CONTROL  [initandlisten] OpenSSL version: OpenSSL 1.0.2g  1 Mar 2016
2017-06-13T09:06:32.866+0000 I CONTROL  [initandlisten] allocator: tcmalloc
2017-06-13T09:06:32.866+0000 I CONTROL  [initandlisten] modules: none
2017-06-13T09:06:32.866+0000 I CONTROL  [initandlisten] build environment:
2017-06-13T09:06:32.866+0000 I CONTROL  [initandlisten]     distmod: ubuntu1604
2017-06-13T09:06:32.866+0000 I CONTROL  [initandlisten]     distarch: x86_64
2017-06-13T09:06:32.866+0000 I CONTROL  [initandlisten]     target_arch: x86_64
2017-06-13T09:06:32.866+0000 I CONTROL  [initandlisten] options: { net: { port: 28018 }, storage: { dbPath: "/data-raid/mongo/data", directoryPerDB: true }, systemLog: { destination: "file", path: "/data-raid/mongo/logs/mongodb.log", verbosity: 5 } }
2017-06-13T09:06:32.866+0000 D NETWORK  [initandlisten] fd limit hard:65536 soft:1024 max conn: 819
2017-06-13T09:06:33.019+0000 I -        [initandlisten] Detected data files in /data-raid/mongo/data created by the 'wiredTiger' storage engine, so setting the active storage engine to 'wiredTiger'.
2017-06-13T09:06:33.019+0000 I STORAGE  [initandlisten] 
2017-06-13T09:06:33.019+0000 I STORAGE  [initandlisten] ** WARNING: Using the XFS filesystem is strongly recommended with the WiredTiger storage engine
2017-06-13T09:06:33.019+0000 I STORAGE  [initandlisten] **          See http://dochub.mongodb.org/core/prodnotes-filesystem
2017-06-13T09:06:33.019+0000 I STORAGE  [initandlisten] wiredtiger_open config: create,cache_size=7507M,session_max=20000,eviction=(threads_max=4),config_base=false,statistics=(fast),log=(enabled=true,archive=true,path=journal,compressor=snappy),file_manager=(close_idle_time=100000),checkpoint=(wait=60,log_size=2GB),statistics_log=(wait=0),