MongoDB错误1_启动mongodb时遇到child process failed,existed with error number 1错误
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在进行安装配置mongodb实验时,按照以下的步骤进行:
启动mongodb:
cd /usr/local/mongodb/mongodb/bin
进入每个mongodb节点的bin目录下
./mongod -f ../conf/mongodb-master.conf
./mongod -f ../conf/mongodb-slaver.conf
./mongod -f ../conf/mongodb-arbiter.conf
注意配置文件的路径一定要保证正确,可以是相对路径也可以是绝对路径
./ 表示当前路径
../ 表示上一个路径
此时,报错:
note: noprealloc may hurt performance in many applications
about to fork child process, waiting until server is ready for connections.
forked process: 5644
ERROR: child process failed, exited with error number 1
寻找解决方法:
关闭防火墙,检查四台机器是否能ping通,排除这些原因;
网上解决方法:
方法一:
可以看看/usr/lib64/libssl.so.10 在不在,没有的话可以下一个;
libssl.so.10在,排除。
方法二:
这个一般是权限问题,sudo启动就好了;
成功解决。
重新启动mongodb:
cd /usr/local/mongodb/mongodb/bin
进入每个mongodb节点的bin目录下
sudo ./mongod -f ../conf/mongodb-master.conf
sudo ./mongod -f ../conf/mongodb-slaver.conf
sudo ./mongod -f ../conf/mongodb-arbiter.conf
注意配置文件的路径一定要保证正确,可以是相对路径也可以是绝对路径
可以正常进行
其他注意事项:
配置mongodb-master.conf:
cd /usr/local/mongodb/mongodb/conf
vim mongodb-master.conf
#mongodb-master.conf
dbpath=/usr/local/mongodb/mongodb/data/master
logpath=/usr/local/mongodb/mongodb/logs/master.log
pidfilepath=/usr/local/mongodb/mongodb/data/master.pid
directoryperdb=true
logappend=true
replSet=testrs
bind_ip=192.168.154.156
port=27017
oplogSize=1000
fork=true
noprealloc=true
配置mongodb-slaver.conf:
cd /usr/local/mongodb/mongodb/conf
vim mongodb-slaver.conf
#mongodb-slaver.conf
dbpath=/usr/local/mongodb/mongodb/data/slaver
logpath=/usr/local/mongodb/mongodb/logs/slaver.log
pidfilepath=/usr/local/mongodb/mongodb/data/slaver.pid
directoryperdb=true
logappend=true
replSet=testrs
bind_ip=192.168.154.158
port=27017
oplogSize=1000
fork=true
noprealloc=true
smallfiles=true
配置mongodb-arbiter.conf:
cd /usr/local/mongodb/mongodb/conf
vim mongodb-arbiter.conf
#mongodb-arbiter.conf
dbpath=/usr/local/mongodb/mongodb/data/arbiter
logpath=/usr/local/mongodb/mongodb/logs/arbiter.log
pidfilepath=/usr/local/mongodb/mongodb/data/arbiter.pid
directoryperdb=true
logappend=true
replSet=testrs
bind_ip=192.168.154.160
port=27017
oplogSize=1000
fork=true
noprealloc=true
smallfiles=true
配置时,分别参考了:
http://blog.csdn.net/wang_zhenwei/article/details/48239893
和
http://blog.csdn.net/xuguokun1986/article/details/47172685
文件夹logs和.conf里的logs应该统一,要不都是log,要不都是logs。
因为里面少了个s,所以也找了很久。
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