Errors when trying to set storage.directoryPerDB in the config file but —directoryperdb works when starting manually

[Dan Finn]

Version 2.6.6-1 on CentOS 6.6

I'm trying to enable directoryPerDB.  I tried setting it in the following ways in the config file:

storage.directoryPerDB: true

directoryPerDB: true

directoryPerDB

and none of those worked, they all resulted in this error:

Starting mongod: Error parsing INI config file: unrecognized line in 'directoryPerDB'

What does work though is if I add --directoryperdb as a flag when starting mongod manually.  Am I doing something wrong when trying to add this to the config file?  I found various examples online of other people doing this (all using the first line mentioned above) so I'm assuming it should work.

Thanks,

Dan

[Spencer Jackson]

Hi Dan, I gave this a go and came up with a couple of configuration files which enabled the setting on my machine, which I've attached. I ran them manually like this:

sajack@linux /home/sajack/mongo git r2.6.6 () % ./mongod --config db.config
2015-01-15T15:39:07.491-0500 [initandlisten] MongoDB starting : pid=22434 port=27017 dbpath=/data/db 64-bit host=linux.site
2015-01-15T15:39:07.491-0500 [initandlisten] _DEBUG build (which is slower)
2015-01-15T15:39:07.492-0500 [initandlisten] db version v2.6.6
2015-01-15T15:39:07.492-0500 [initandlisten] git version: 608e8bc319627693b04cc7da29ecc300a5f45a1f
2015-01-15T15:39:07.492-0500 [initandlisten] OpenSSL version: OpenSSL 1.0.1j-fips 15 Oct 2014
2015-01-15T15:39:07.492-0500 [initandlisten] build info: Linux linux.site 3.16.7-7-desktop #1 SMP PREEMPT Wed Dec 17 18:00:44 UTC 2014 (762f27a) x86_64 BOOST_LIB_VERSION=1_49
2015-01-15T15:39:07.492-0500 [initandlisten] allocator: tcmalloc
2015-01-15T15:39:07.492-0500 [initandlisten] options: { config: "db.config", storage: { directoryPerDB: true } }

Do these files enable the setting for you?
If no, can you copy paste your shell output, including the command you're running? Thanks!

Cheers,
Spencer

[Dan Finn]

Hmm...Neither worked.  They generated the following errors:

[root@icebox-backup ~]# /etc/init.d/mongod32 start

Starting mongod: Error parsing INI config file: unrecognized line in 'storage.directoryPerDB: true'

try '/usr/bin/mongod --help' for more information

                                                           [FAILED]

[root@icebox-backup ~]# vi /etc/mongo/mongod32.conf 

[root@icebox-backup ~]# /etc/init.d/mongod32 start

Starting mongod: Error parsing INI config file: unrecognized line in 'storage:'

try '/usr/bin/mongod --help' for more information

                                                           [FAILED]

I have attached my config.

Thanks,

Dan

[Spencer Jackson]

Thank you for the configuration file, that was really useful. I think I have an idea about what's going on. Your config file appears to be using the 2.4 configuration format, with keys and values, and the configuration parameters for directoryperdb you've added are in the 2.6 format, which uses YAML.

Try this configuration line:
directoryperdb = true

Let me know how that works!

Spencer

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[Dan Finn]

It seems kind of odd but that actually gave a different error, one that is rather strange:

[root@icebox-backup ~]# /etc/init.d/mongod32 start

Starting mongod: about to fork child process, waiting until server is ready for connections.

forked process: 40206

ERROR: child process failed, exited with error number 100

On Thursday, January 15, 2015 at 5:19:11 PM UTC+2, Dan Finn wrote:

[Asya Kamsky]

What's in the log file? (pointed to by logpath parameter from the config file)

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[Dan Finn]

Well, I guess I should have looked closer at the error.  It seems that the last method of setting this in the config is working.  The issue was that my file permissions were screwed up since I had started mongo manually and it had run as root.

Thanks,

Dan