mongoDB安装报错：exception in initAndListen: IllegalOperation: Attempted to create a lock file on a read-only directory: /data/db, terminating

错误信息如下：

2018-07-06T23:28:54.978+0800 I CONTROL  [main] Automatically disabling TLS 1.0, to force-enable TLS 1.0 specify --sslDisabledProtocols 'none'

2018-07-06T23:28:55.092+0800 I CONTROL  [initandlisten] MongoDB starting : pid=14447 port=27017 dbpath=/data/db 64-bit host=wangmengxideMacBook-Pro.local

2018-07-06T23:28:55.092+0800 I CONTROL  [initandlisten] db version v4.0.0

2018-07-06T23:28:55.092+0800 I CONTROL  [initandlisten] git version: 3b07af3d4f471ae89e8186d33bbb1d5259597d51

2018-07-06T23:28:55.092+0800 I CONTROL  [initandlisten] allocator: system

2018-07-06T23:28:55.092+0800 I CONTROL  [initandlisten] modules: none

2018-07-06T23:28:55.092+0800 I CONTROL  [initandlisten] build environment:

2018-07-06T23:28:55.092+0800 I CONTROL  [initandlisten]     distarch: x86_64

2018-07-06T23:28:55.092+0800 I CONTROL  [initandlisten]     target_arch: x86_64

2018-07-06T23:28:55.092+0800 I CONTROL  [initandlisten] options: {}

2018-07-06T23:28:55.107+0800 I STORAGE  [initandlisten] exception in initAndListen: IllegalOperation: Attempted to create a lock file on a read-only directory: /data/db, terminating

2018-07-06T23:28:55.115+0800 I CONTROL  [initandlisten] now exiting

2018-07-06T23:28:55.115+0800 I CONTROL  [initandlisten] shutting down with code:100

 

原因是：

对于文件夹 /data/db 没有操作权限，目前这个文件夹只有只读权限

 

解决办法

确保/data/db目录在bin文件夹下，如果不在的话，可以cd到bin文件夹，再修改文件夹权限

bin xxx$ sudo chomd -R /data/db