Failed to obtain address information for hostname mynode1: Name or service not known
来源：互联网 发布：水溶性颜料淘宝 编辑：程序博客网 时间：2024/05/20 20:57
启动mongodb的时候报以下错，意思是获取不到地址对应的主机名，这一般与HOSTS有关
Failed to obtain address information for hostname mynode1: Name or service not known
2016-05-19T15:18:53.339+0800 I CONTROL [initandlisten] MongoDB starting : pid=16871 port=27017 dbpath=/data/db 64-bit host=mdb2016-05-19T15:18:53.340+0800 I CONTROL [initandlisten] db version v3.2.32016-05-19T15:18:53.340+0800 I CONTROL [initandlisten] git version: b326ba837cf6f49d65c2f85e1b70f6f31ece79372016-05-19T15:18:53.340+0800 I CONTROL [initandlisten] OpenSSL version: OpenSSL 1.0.1e-fips 11 Feb 20132016-05-19T15:18:53.340+0800 I CONTROL [initandlisten] allocator: tcmalloc2016-05-19T15:18:53.340+0800 I CONTROL [initandlisten] modules: none2016-05-19T15:18:53.856+0800 I CONTROL [initandlisten] 2016-05-19T15:18:53.856+0800 I CONTROL [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/enabled is 'always'.2016-05-19T15:18:53.856+0800 I CONTROL [initandlisten] ** We suggest setting it to 'never'2016-05-19T15:18:53.856+0800 I CONTROL [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/defrag is 'always'.2016-05-19T15:18:53.856+0800 I CONTROL [initandlisten] ** We suggest setting it to 'never'2016-05-19T15:18:53.856+0800 I CONTROL [initandlisten] 2016-05-19T15:18:53.859+0800 I FTDC [initandlisten] Initializing full-time diagnostic data capture with directory '/data/db/diagnostic.data'2016-05-19T15:18:53.860+0800 I NETWORK [initandlisten] waiting for connections on port 270172016-05-19T15:18:53.860+0800 I NETWORK [HostnameCanonicalizationWorker] Starting hostname canonicalization worker2016-05-19T15:18:53.918+0800 W NETWORK [HostnameCanonicalizationWorker] Failed to obtain address information for hostname mynode1: Name or service not known首先检查hosts文件，看是否有服务器IP地址对应的主机名[root@w ~]# more /etc/hosts127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4::1 localhost localhost.localdomain localhost6 localhost6.localdomain6发现没有地址对应的主机名，手动添加以下条目192.168.10.10 mdb再次重新启动mongodb，错误消失，看来mongodb启动需要解析hosts,这点与oracle RAC 有点类似，Mark一下
# nohup ./mongod > mongo.out &
# tail -50 mongo.out
2016-05-19T16:56:24.685+0800 I CONTROL [initandlisten] MongoDB starting : pid=22471 port=27017 dbpath=/data/db 64-bit host=mdb2016-05-19T16:56:24.686+0800 I CONTROL [initandlisten] db version v3.2.32016-05-19T16:56:24.686+0800 I CONTROL [initandlisten] git version: b326ba837cf6f49d65c2f85e1b70f6f31ece79372016-05-19T16:56:24.686+0800 I CONTROL [initandlisten] OpenSSL version: OpenSSL 1.0.1e-fips 11 Feb 20132016-05-19T16:56:24.686+0800 I CONTROL [initandlisten] allocator: tcmalloc2016-05-19T16:56:24.686+0800 I CONTROL [initandlisten] modules: none2016-05-19T16:56:25.176+0800 I CONTROL [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/enabled is 'always'.2016-05-19T16:56:25.176+0800 I CONTROL [initandlisten] ** We suggest setting it to 'never'2016-05-19T16:56:25.176+0800 I CONTROL [initandlisten] 2016-05-19T16:56:25.176+0800 I CONTROL [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/defrag is 'always'.2016-05-19T16:56:25.176+0800 I CONTROL [initandlisten] ** We suggest setting it to 'never'2016-05-19T16:56:25.176+0800 I CONTROL [initandlisten] 2016-05-19T16:56:25.179+0800 I FTDC [initandlisten] Initializing full-time diagnostic data capture with directory '/data/db/diagnostic.data'2016-05-19T16:56:25.180+0800 I NETWORK [initandlisten] waiting for connections on port 270172016-05-19T16:56:25.180+0800 I NETWORK [HostnameCanonicalizationWorker] Starting hostname canonicalization worker
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