面向非DBA的MongoDB部署咨询：如何部署至共享网络文件夹

Hey Benny, since you don’t have a DBA background and need to stick to your organization’s strict privacy rules (no external cloud), here’s a straightforward, no-fuss approach to get MongoDB running on your shared network folder:

Prerequisites First #

• Confirm the shared folder path:
  • Windows: \\your-org-server\shared-folder
  • Linux/macOS: Mount the share first (e.g., sudo mount -t cifs //your-org-server/shared-folder /mnt/shared-folder)
• Critical: Make sure the user running the MongoDB process has full read/write/execute permissions on the shared folder. Without this, MongoDB will fail to start or write data.

Step-by-Step Setup #

1. Install MongoDB Community Edition
   Grab the free community version for your OS from the official site. Use the default installation options—no need to tweak advanced settings during setup.

2. Point MongoDB to the Shared Folder
   Locate the MongoDB configuration file:

   • Windows: C:\Program Files\MongoDB\Server\[version]\bin\mongod.cfg
   • Linux: /etc/mongod.conf
   • macOS: /usr/local/etc/mongod.conf

   Find the storage.dbPath line and replace the default path with your shared folder path. Remember to escape backslashes for Windows:

   # Example for Windows
   storage:
     dbPath: "\\\\your-org-server\\shared-folder\\mongodb-data"
   
   # Example for Linux/macOS
   storage:
     dbPath: /mnt/shared-folder/mongodb-data
   

   Create the mongodb-data subfolder in the shared directory first to avoid startup errors.

3. Start the MongoDB Service

   • Windows: Open the Services app, find "MongoDB Server", right-click and select "Start". Set it to "Automatic" if you want it to run on boot.
   • Linux: Run sudo systemctl start mongod to start the service, and sudo systemctl enable mongod to enable auto-start on boot.
   • macOS: Use brew services start mongodb-community (if installed via Homebrew).

4. Verify the Setup
   Open a terminal/command prompt and run mongosh. Once connected, type show dbs—if you see a list of default databases (like admin, local), your setup works!

Key Notes for Your Use Case #

• Lock Down Access: Since the shared folder is accessible to everyone, never leave MongoDB without authentication. Here’s how to enable it quickly:
  1. Connect to mongosh
  2. Switch to the admin database: use admin
  3. Create an admin user:

     db.createUser({
       user: "org-db-admin",
       pwd: "your-very-strong-password",
       roles: ["root"]
     })
     

  4. Edit the MongoDB config file to add:

     security:
       authorization: enabled
     

  5. Restart the MongoDB service. Now anyone connecting will need the username/password.
• Performance Expectations: Shared network folders are slower than local disks. This setup works best for small datasets or low-traffic use cases. If you notice lag, you might need to discuss a dedicated local disk with your team (but still keep backups on the shared folder if required).
• Backup Regularly: Even with the shared folder, run periodic backups using mongodump to a separate secure location. For example:

  mongodump -u org-db-admin -p --out /path/to/secure-backup-folder
  

内容的提问来源于stack exchange，提问作者Benny_Teo