Issue

• Why mongodb fails to start and gives below error :

2016-03-09T08:52:51.774-0500 [initandlisten] MongoDB starting : pid=26 port=27017 dbpath=/var/lib/mongodb/data 64-bit host=embed-mongodb-1-nhpcb
2016-03-09T08:52:51.775-0500 [initandlisten] db version v2.6.9
2016-03-09T08:52:51.775-0500 [initandlisten] git version: nogitversion
2016-03-09T08:52:51.775-0500 [initandlisten] OpenSSL version: OpenSSL 1.0.1e-fips 11 Feb 2013
2016-03-09T08:52:51.775-0500 [initandlisten] build info: Linux x86-036.build.eng.bos.redhat.com 2.6.32-504.16.2.el6.x86_64 #1 SMP Tue Mar 10 17:01:00 EDT 2015 x86_64 BOOST_LIB_VERSION=1_53
2016-03-09T08:52:51.775-0500 [initandlisten] allocator: tcmalloc
2016-03-09T08:52:51.775-0500 [initandlisten] options: { config: "/etc/mongod.conf", net: { http: { enabled: false }, port: 27017 }, processManagement: { pidFilePath: "/var/lib/mongodb/mongodb.pid" }, replication: { oplogSizeMB: 64 }, storage: { dbPath: "/var/lib/mongodb/data", preallocDataFiles: false, smallFiles: true }, systemLog: { quiet: true } }
2016-03-09T08:52:51.783-0500 [initandlisten] journal dir=/var/lib/mongodb/data/journal
2016-03-09T08:52:51.785-0500 [initandlisten] recover : no journal files present, no recovery needed
2016-03-09T08:52:51.788-0500 [initandlisten] info preallocateIsFaster couldn't run due to: couldn't open file /var/lib/mongodb/data/journal/tempLatencyTest for writing errno:1 Operation not permitted; returning false
2016-03-09T08:52:51.791-0500 [initandlisten] exception in initAndListen: 13516 couldn't open file /var/lib/mongodb/data/journal/j._0 for writing errno:1 Operation not permitted, terminating
2016-03-09T08:52:51.791-0500 [initandlisten] dbexit: 
2016-03-09T08:52:51.791-0500 [initandlisten] shutdown: going to close listening sockets...
2016-03-09T08:52:51.791-0500 [initandlisten] shutdown: going to flush diaglog...
2016-03-09T08:52:51.791-0500 [initandlisten] shutdown: going to close sockets...
2016-03-09T08:52:51.791-0500 [initandlisten] shutdown: waiting for fs preallocator...
2016-03-09T08:52:51.791-0500 [initandlisten] shutdown: lock for final commit...
2016-03-09T08:52:51.791-0500 [initandlisten] shutdown: final commit...
2016-03-09T08:52:51.791-0500 [initandlisten] shutdown: closing all files...
2016-03-09T08:52:51.791-0500 [initandlisten] closeAllFiles() finished
2016-03-09T08:52:51.791-0500 [initandlisten] journalCleanup...
2016-03-09T08:52:51.791-0500 [initandlisten] removeJournalFiles
2016-03-09T08:52:51.795-0500 [initandlisten] shutdown: removing fs lock...
2016-03-09T08:52:51.796-0500 [initandlisten] dbexit: really exiting now
=> Waiting for MongoDB service startup  ...
=> Waiting for MongoDB service startup  ...