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我试图在我的Mac上安装MongoDB，运行Yosemite。我下载蒙戈使用在Mac上安装和运行MongoDB时遇到困难
$ curl -O http://downloads.mongodb.org/osx/mongodb-osx-x86_64-2.6.4.tgz
打开包装：
$ tar -zxvf mongodb-osx-x86_64-2.6.4.tgz
改名目录：
$ mv mongodb-osx-x86_64-2.6.4 mongodb
创建的数据/ db目录：
$ mkdir -p /data/db
设置文件夹的权限：
$ chown -R $USER /data/db
到目前为止，这么好。现在我想运行它。所以：
$ cd mongodb/bin
$ mongod
而且我得到所有这些错误：
2015-06-20T18:35:18.558-0700 [initandlisten] MongoDB starting : pid=589 port=27017 dbpath=/data/db 64-bit host=Brian-ONeills-iMac.local
2015-06-20T18:35:18.558-0700 [initandlisten]
2015-06-20T18:35:18.558-0700 [initandlisten] ** WARNING: soft rlimits too low. Number of files is 256, should be at least 1000
2015-06-20T18:35:18.558-0700 [initandlisten] db version v2.6.4
2015-06-20T18:35:18.558-0700 [initandlisten] git version: 3a830be0eb92d772aa855ebb711ac91d658ee910
2015-06-20T18:35:18.558-0700 [initandlisten] build info: Darwin bs-osx108-4 12.5.0 Darwin Kernel Version 12.5.0: Sun Sep 29 13:33:47 PDT 2013; root:xnu-2050.48.12~1/RELEASE_X86_64 x86_64 BOOST_LIB_VERSION=1_49
2015-06-20T18:35:18.558-0700 [initandlisten] allocator: system
2015-06-20T18:35:18.558-0700 [initandlisten] options: {}
2015-06-20T18:35:18.639-0700 [initandlisten] journal dir=/data/db/journal
2015-06-20T18:35:18.639-0700 [initandlisten] recover : no journal files present, no recovery needed
2015-06-20T18:35:18.994-0700 [initandlisten] preallocateIsFaster=true 5.28
2015-06-20T18:35:19.811-0700 [initandlisten] ****
2015-06-20T18:35:19.811-0700 [initandlisten] ****
2015-06-20T18:35:19.811-0700 [initandlisten] need to upgrade database local with pdfile version 4.22, new version: 4.5
2015-06-20T18:35:19.811-0700 [initandlisten] Not upgrading, exiting
2015-06-20T18:35:19.811-0700 [initandlisten] run --upgrade to upgrade dbs, then start again
2015-06-20T18:35:19.811-0700 [initandlisten] ****
2015-06-20T18:35:19.811-0700 [initandlisten] dbexit:
2015-06-20T18:35:19.811-0700 [initandlisten] shutdown: going to close listening sockets...
2015-06-20T18:35:19.811-0700 [initandlisten] shutdown: going to flush diaglog...
2015-06-20T18:35:19.811-0700 [initandlisten] shutdown: going to close sockets...
2015-06-20T18:35:19.811-0700 [initandlisten] shutdown: waiting for fs preallocator...
2015-06-20T18:35:19.811-0700 [initandlisten] shutdown: lock for final commit...
2015-06-20T18:35:19.811-0700 [initandlisten] shutdown: final commit...
2015-06-20T18:35:19.811-0700 [initandlisten] shutdown: closing all files...
2015-06-20T18:35:19.811-0700 [initandlisten] closeAllFiles() finished
2015-06-20T18:35:19.811-0700 [initandlisten] journalCleanup...
2015-06-20T18:35:19.811-0700 [initandlisten] removeJournalFiles
2015-06-20T18:35:19.812-0700 [initandlisten] shutdown: removing fs lock...
2015-06-20T18:35:19.812-0700 [initandlisten] dbexit: really exiting now
任何想法可能是什么回事，如何解决？
在此先感谢！
您是否尝试按照消息中的建议运行'mongod --upgrade'？看起来你有一个来自旧版本MongoDB的数据文件。 – Stennie
我还会注意到，输出中唯一的错误是您的数据文件是使用旧版本的MongoDB创建的（这会导致MongoDB关闭，因此您可以升级数据文件）。前面输出的其余部分是关于启动顺序的正常消息。 – Stennie
你解决了这个问题吗？如果是这样，你可以通过分享你如何解决它来帮助社区吗？ – kramer65