New Member
Posts: 2
Registered: ‎04-15-2017

Can't start the controller backup because of mongodb Ubuntu 16.04

2017-11-07T12:37:45.283-0500 [initandlisten] MongoDB starting : pid=29893 port=27017 dbpath=/usr/lib/unifi/data/db 64-bit host=jon-System-Product-Name
2017-11-07T12:37:45.284-0500 [initandlisten] db version v2.6.10
2017-11-07T12:37:45.284-0500 [initandlisten] git version: nogitversion
2017-11-07T12:37:45.284-0500 [initandlisten] OpenSSL version: OpenSSL 1.0.2g  1 Mar 2016
2017-11-07T12:37:45.284-0500 [initandlisten] build info: Linux lgw01-12 3.19.0-25-generic #26~14.04.1-Ubuntu SMP Fri Jul 24 21:16:20 UTC 2015 x86_64 BOOST_LIB_VERSION=1_58
2017-11-07T12:37:45.284-0500 [initandlisten] allocator: tcmalloc
2017-11-07T12:37:45.284-0500 [initandlisten] options: { repair: true, storage: { dbPath: "/usr/lib/unifi/data/db" } }
2017-11-07T12:37:45.284-0500 [initandlisten] exception in initAndListen: 28574 Cannot start server. Detected data files in /usr/lib/unifi/data/db created by storage engine 'wiredTiger'. The configured storage engine is 'mmapv1'., terminating
2017-11-07T12:37:45.284-0500 [initandlisten] dbexit: 
2017-11-07T12:37:45.284-0500 [initandlisten] shutdown: going to close listening sockets...
2017-11-07T12:37:45.284-0500 [initandlisten] shutdown: going to flush diaglog...
2017-11-07T12:37:45.284-0500 [initandlisten] shutdown: going to close sockets...
2017-11-07T12:37:45.284-0500 [initandlisten] shutdown: waiting for fs preallocator...
2017-11-07T12:37:45.284-0500 [initandlisten] shutdown: closing all files...
2017-11-07T12:37:45.284-0500 [initandlisten] closeAllFiles() finished
2017-11-07T12:37:45.284-0500 [initandlisten] dbexit: really exiting now

Anyone know how to fix this?  I tried repairing.  I tried removing the lock file.  Not sure what else to do.

New Member
Posts: 1
Registered: ‎01-07-2018

Re: Can't start the controller backup because of mongodb Ubuntu 16.04

Any luck fixing this? I have the same issues.