If something is wrong with the underlying mongod, forever will just spin in an eternal loop, adding load to the host system and not successfully starting up:
5 Feb 19:15:10 - info: process id:7401
25 Feb 19:15:11 - info: Starting locker with build info:{ "build" : "604", "gitrev" : "53718d9" }
25 Feb 19:15:11 - info: [mongo] note: noprealloc may hurt performance in many applications
25 Feb 19:15:11 - info: [mongo] Sat Feb 25 19:15:11 [initandlisten] MongoDB starting : pid=7404 port=27018 dbpath=/home/Me/mongodata 64-bit host=locker_d+singly_at_waferbaby_com
25 Feb 19:15:11 - info: [mongo] Sat Feb 25 19:15:11 [initandlisten] db version v2.0.2, pdfile version 4.5
25 Feb 19:15:11 - info: [mongo] Sat Feb 25 19:15:11 [initandlisten] git version: 514b122d308928517f5841888ceaa4246a7f18e3
25 Feb 19:15:11 - info: [mongo] Sat Feb 25 19:15:11 [initandlisten] build info: Linux bs-linux64.10gen.cc 2.6.21.7-2.ec2.v1.2.fc8xen #1 SMP Fri Nov 20 17:48:28 EST 2009 x86_64 BOOST_LIB_VERSION=1_41
25 Feb 19:15:11 - info: [mongo] Sat Feb 25 19:15:11 [initandlisten] options: { dbpath: "/home/Me/mongodata", nohttpinterface: true, nojournal: true, noprealloc: true, port: 27018 }
25 Feb 19:15:11 - info: [mongo] Sat Feb 25 19:15:11 [initandlisten] exception in initAndListen: 10310 Unable to acquire lock for lockfilepath: /home/Me/mongodata/mongod.lock, terminating
25 Feb 19:15:11 - info: [mongo] Sat Feb 25 19:15:11 dbexit:
25 Feb 19:15:11 - info: [mongo] Sat Feb 25 19:15:11 [initandlisten] shutdown: going to close listening sockets...
25 Feb 19:15:11 - info: [mongo] Sat Feb 25 19:15:11 [initandlisten] shutdown: going to flush diaglog...
25 Feb 19:15:11 - info: [mongo] Sat Feb 25 19:15:11 [initandlisten] shutdown: going to close sockets...
25 Feb 19:15:11 - info: [mongo] Sat Feb 25 19:15:11 [initandlisten] shutdown: waiting for fs preallocator...
25 Feb 19:15:11 - info: [mongo] Sat Feb 25 19:15:11 [initandlisten] shutdown: closing all files...
25 Feb 19:15:11 - info: [mongo] Sat Feb 25 19:15:11 [initandlisten] closeAllFiles() finished
25 Feb 19:15:11 - info: [mongo] Sat Feb 25 19:15:11 dbexit: really exiting now
25 Feb 19:15:11 - error: mongod exited unexpectedly with code 100, signal null
warn: Forever detected script exited with code: 0
warn: Forever restarting script for 1041 time
The "sys" module is now called "util". It should have a similar interface.
25 Feb 19:15:43 - info: process id:7408
25 Feb 19:15:46 - info: Starting locker with build info:{ "build" : "604", "gitrev" : "53718d9" }
25 Feb 19:15:46 - info: [mongo] note: noprealloc may hurt performance in many applications
25 Feb 19:15:46 - info: [mongo] Sat Feb 25 19:15:46 [initandlisten] MongoDB starting : pid=7411 port=27018 dbpath=/home/Me/mongodata 64-bit host=locker_d+singly_at_waferbaby_com
25 Feb 19:15:46 - info: [mongo] Sat Feb 25 19:15:46 [initandlisten] db version v2.0.2, pdfile version 4.5
25 Feb 19:15:46 - info: [mongo] Sat Feb 25 19:15:46 [initandlisten] git version: 514b122d308928517f5841888ceaa4246a7f18e3
25 Feb 19:15:46 - info: [mongo] Sat Feb 25 19:15:46 [initandlisten] build info: Linux bs-linux64.10gen.cc 2.6.21.7-2.ec2.v1.2.fc8xen #1 SMP Fri Nov 20 17:48:28 EST 2009 x86_64 BOOST_LIB_VERSION=1_41
25 Feb 19:15:46 - info: [mongo] Sat Feb 25 19:15:46 [initandlisten] options: { dbpath: "/home/Me/mongodata", nohttpinterface: true, nojournal: true, noprealloc: true, port: 27018 }
25 Feb 19:15:46 - info: [mongo] Sat Feb 25 19:15:46 [initandlisten] exception in initAndListen: 10310 Unable to acquire lock for lockfilepath: /home/Me/mongodata/mongod.lock, terminating
25 Feb 19:15:46 - info: [mongo] Sat Feb 25 19:15:46 dbexit:
25 Feb 19:15:46 - info: [mongo] Sat Feb 25 19:15:46 [initandlisten] shutdown: going to close listening sockets...
25 Feb 19:15:46 - info: [mongo] Sat Feb 25 19:15:46 [initandlisten] shutdown: going to flush diaglog...
25 Feb 19:15:46 - error: mongod exited unexpectedly with code 100, signal null
25 Feb 19:15:46 - info: [mongo] Sat Feb 25 19:15:46 [initandlisten] shutdown: going to close sockets...
25 Feb 19:15:46 - info: [mongo] Sat Feb 25 19:15:46 [initandlisten] shutdown: waiting for fs preallocator...
25 Feb 19:15:46 - info: [mongo] Sat Feb 25 19:15:46 [initandlisten] shutdown: closing all files...
25 Feb 19:15:46 - info: [mongo] Sat Feb 25 19:15:46 [initandlisten] closeAllFiles() finished
25 Feb 19:15:46 - info: [mongo] Sat Feb 25 19:15:46 dbexit: really exiting now
warn: Forever detected script exited with code: 0
warn: Forever restarting script for 1042 time
If something is wrong with the underlying mongod, forever will just spin in an eternal loop, adding load to the host system and not successfully starting up: