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POmongodb crashes after unexpected shutdown
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  1. POmongodb crashes after unexpected shutdown
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    copied!<p>after our vps got down and we boot it, mongod service didnt start automatically and we cannot start it by <code>service mongod start</code>, file <code>/var/log/mongo/mongod.log</code> contains following log:</p> <pre><code> ***** SERVER RESTARTED ***** Thu Oct 11 13:51:18 Thu Oct 11 13:51:18 warning: 32-bit servers don't have journaling enabled by default. Please use --journal if you want durability. Thu Oct 11 13:51:18 Thu Oct 11 13:51:18 [initandlisten] MongoDB starting : pid=3821 port=27017 dbpath=/var/lib/mongo 32-bit host=server2.paransa.org Thu Oct 11 13:51:18 [initandlisten] Thu Oct 11 13:51:18 [initandlisten] ** NOTE: when using MongoDB 32 bit, you are limited to about 2 gigabytes of data Thu Oct 11 13:51:18 [initandlisten] ** see http://blog.mongodb.org/post/137788967/32-bit-limitations Thu Oct 11 13:51:18 [initandlisten] ** with --journal, the limit is lower Thu Oct 11 13:51:18 [initandlisten] Thu Oct 11 13:51:18 [initandlisten] ** WARNING: You are running in OpenVZ. This is known to be broken!!! Thu Oct 11 13:51:18 [initandlisten] Thu Oct 11 13:51:18 [initandlisten] db version v2.2.0, pdfile version 4.5 Thu Oct 11 13:51:18 [initandlisten] git version: f5e83eae9cfbec7fb7a071321928f00d1b0c5207 Thu Oct 11 13:51:18 [initandlisten] build info: Linux domU-12-31-39-01-70-B4 2.6.21.7-2.fc8xen #1 SMP Fri Feb 15 12:39:36 EST 2008 i686 BOOST_LIB_VERSION=1_49 Thu Oct 11 13:51:18 [initandlisten] options: { config: "/etc/mongod.conf", dbpath: "/var/lib/mongo", fork: "true", logappend: "true", logpath: "/var/log/mongo/mongod.log", pidfilepath: "/var/run/mongodb/mongod.pid" } Thu Oct 11 13:51:18 [initandlisten] couldn't open /var/lib/mongo/mydb_main.ns errno:13 Permission denied Thu Oct 11 13:51:18 [initandlisten] error couldn't open file /var/lib/mongo/mydb_main.ns terminating Thu Oct 11 13:51:18 dbexit: Thu Oct 11 13:51:18 [initandlisten] shutdown: going to close listening sockets... Thu Oct 11 13:51:18 [initandlisten] shutdown: going to flush diaglog... Thu Oct 11 13:51:18 [initandlisten] shutdown: going to close sockets... Thu Oct 11 13:51:18 [initandlisten] shutdown: waiting for fs preallocator... Thu Oct 11 13:51:18 [initandlisten] shutdown: closing all files... Thu Oct 11 13:51:18 [initandlisten] closeAllFiles() finished Thu Oct 11 13:51:18 [initandlisten] shutdown: removing fs lock... Thu Oct 11 13:51:18 dbexit: really exiting now </code></pre> <p>as you may see, log says mongo server cant open *.ns file cause lake of permission</p> <p>but if i run the server manually by following command:</p> <pre><code>mongod --dbpath=/var/lib/mongo -f /etc/mongod.conf </code></pre> <p>it seems everything is fine and about the log file:</p> <pre><code>***** SERVER RESTARTED ***** Thu Oct 11 14:02:06 Thu Oct 11 14:02:06 warning: 32-bit servers don't have journaling enabled by default. Please use --journal if you want durability. Thu Oct 11 14:02:06 Thu Oct 11 14:02:06 [initandlisten] MongoDB starting : pid=4090 port=27017 dbpath=/var/lib/mongo 32-bit host=server2.paransa.org Thu Oct 11 14:02:06 [initandlisten] Thu Oct 11 14:02:06 [initandlisten] ** NOTE: when using MongoDB 32 bit, you are limited to about 2 gigabytes of data Thu Oct 11 14:02:06 [initandlisten] ** see http://blog.mongodb.org/post/137788967/32-bit-limitations Thu Oct 11 14:02:06 [initandlisten] ** with --journal, the limit is lower Thu Oct 11 14:02:06 [initandlisten] Thu Oct 11 14:02:06 [initandlisten] ** WARNING: You are running in OpenVZ. This is known to be broken!!! Thu Oct 11 14:02:06 [initandlisten] Thu Oct 11 14:02:06 [initandlisten] db version v2.2.0, pdfile version 4.5 Thu Oct 11 14:02:06 [initandlisten] git version: f5e83eae9cfbec7fb7a071321928f00d1b0c5207 Thu Oct 11 14:02:06 [initandlisten] build info: Linux domU-12-31-39-01-70-B4 2.6.21.7-2.fc8xen #1 SMP Fri Feb 15 12:39:36 EST 2008 i686 BOOST_LIB_VERSION=1_49 Thu Oct 11 14:02:06 [initandlisten] options: { config: "/etc/mongod.conf", dbpath: "/var/lib/mongo", fork: "true", logappend: "true", logpath: "/var/log/mongo/mongod.log", pidfilepath: "/var/run/mongodb/mongod.pid" } Thu Oct 11 14:02:07 [websvr] admin web console waiting for connections on port 28017 Thu Oct 11 14:02:07 [initandlisten] waiting for connections on port 27017 </code></pre> <p>and using --repair arg didnt help (maybe because it could start manually with <code>mongod --dbpath=/var/lib/mongo -f /etc/mongod.conf</code> and adding --repair arg to the command, logs everything is fine!...)</p> <p>any suggestion?</p>
 

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