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About Synology NAS

Synology NAS (Network Attached Storage) is designed to provide a centralized storage solution for homes, businesses, and other organizations, which allows you to store and manage your data, including documents, photos, videos, and other files, in a secure and easily accessible manner.

Most importantly, Synology NAS devices support multiple hard drives or SSDs, allowing you to create RAID configurations for data redundancy and performance optimization. You can schedule regular backups to external drives, the cloud, or other Synology NAS devices for added redundancy.

Overall, Synology NAS devices are known for their user-friendly interface, robust features, and flexibility, making them popular choices for you to sync folders to Synology NAS. How to make it easy, check the following content.

Part 1. Sync Local Folders to Synology NAS

First of all, we will show you how to sync local folders to Synology NAS from your computer, do as follows if you’d prefer. You have different ways to sync folders to Synology NAS, let's get started to figure it out.

Way 1. Synology Auto Sync Folders via Synology Drive Client

Synology Drive Client helps you to sync folders between computers and Synology NAS, so you have to install Synology Drive Client on DiskStation Manager (DSM) and enable shared folders as team folders in Synology Drive Admin Console first. Then try to sync folders to Synology NAS in real time.

Here is how to enable team folders in Synology Drive Admin Console, and sync files and folders to Synology NAS:

1. Log in to your Synology Account, then tap the main menu from the top left corner.

2. Search for Synology Drive Admin Console, and click to open.

Synology Drive Admin Console
Synology Drive Admin Console

3. Click Team Folder, then choose the shared folder that you'd like to sync with, and choose Enable.

Enable Team Folder
Enable Team Folder

4. Tick the settings for Versioning and Security according to your needs, and hit OK.

Settings
Settings

5. Go to Control Panel > Shared Folder, or Application Privileges and check the permissions.

6. Go to Synology Download center to download Synology Drive Client: choose NAS and its mode, OS version, click Desktop Utilities, find Synology Drive Client, and hit Download. Update Synology Drive Server on Package Center.

Download Synology Drive Client
Download Synology Drive Client

7. Install and launch Synology Drive Client, click Start Now.

8. Input the Synology NAS domain name, QuickConnect ID, or IP address, and enter the username and password, click Next.

Sign In to Synology Account
Sign In to Synology Account

9. Choose Sync Task, and press Next.

Synology Sync Task
Synology Sync Task

10. Select folders in Synology NAS and computer to sync, tap Change to locate the folders you’d like to sync, and hit Done to sync folders to Synology NAS and back to computer.

Set Up Folders to Sync
Set Up Folders to Sync

Limitations:

  • It's complex to set up for you.
  • Once you enable the Team folder, your CPU usage is very high, which might cause a crash.

Way 2. Upload Files to Synology NAS with MultCloud

Besides, you have another better way to sync folders to Synology NAS, the powerful web-based multi-cloud storage manager - MultCloud. It’s more easier than Synology Drive Client to configure, so it’s worth trying this solution.

  • MultCloud supports over 30 clouds and services, including NAS, Dropbox, Google Drive, OneDrive, Google Workspace, Dropbox Business, OneDrive for Business, Box, Box for Business, pCloud, iCloud Drive, iCloud Photos, MEGA, ADrive, MySQL, Wasabi, and many more.
  • Upload large files to OneDrive, Dropbox, Google Drive, NAS, and so on.
  • Migrate files directly between clouds, including Synology NAS.

Here is how to sync folders to Synology NAS with MultCloud:

1. Sign in to your MultCloud account once registered.

2. Click Add Cloud from the left side, choose NAS, then input the server of Synology NAS prefix with ftp://, port, username, and password, and click Add Account.

Add NAS
Add NAS

3. Synology NAS will be listed automatically after adding, click to open a folder, and tap Upload File.

Upload Files to NAS
Upload Files to NAS

4. Pick all these files and folders to upload to Synology NAS.

Part 2. Sync Files Between Two Synology NAS

Except for the above situation, you can sync files between Synology NAS directly, here we will explain this in detail for you.

Way 1. Sync Files Between Two Synology NAS

Shared folder sync helps you to sync files between Synology NAS, let’s find out how it works:

1. Please go to the Control Panel on your DSM, and choose File Services.

File Services
File Services

2. Choose rSync from the top menu, tick Enable rsync service, and click Apply.

Enable rSync
Enable rSync

3. Go to Control Panel > File Services > Advanced, then choose Task List under Shared Folder Sync.

Task List
Task List

4. Click the Create button.

Create
Create

5. Rename the sync task, and hit Next.

6. Select the folders from one Synology NAS to sync, tick "I understand ***", and press Next.

Select Folders to Sync
Select Folders to Sync

7. Input the credentials of another Synology NAS, including Server IP, username, and password, tick the settings, and hit Next.

Destination Synology NAS
Destination Synology NAS

8. Select the time to sync folders to Synology NAS from one Synology NAS, and click Next.

9. Check your settings, and click Done to sync folders from one Synology NAS to another.

It's not as easy as possible for you to configure, so it’s not recommended.

Way 2. Real Time Sync Between Synology NAS

Besides, you can use MultCloud to sync files between Synology NAS in real-time, here is how it works:

1. Add both Synology NAS to MutlCloud by clicking Add Cloud.

2. Click Cloud Sync, click Real Time Sync, and choose one Synology NAS as the source, and another Synology NAS as the target.

Real Time Sync NAS to NAS
Real Time Sync NAS to NAS

3. Press the Sync Now button to sync files between Synology NAS in real-time.

Tips:

  • You can set up other 9 sync modes in Options, like move sync, mirror sync, one-way sync, two-way sync, full backup sync, incremental sync, and many more. Thus, you can perform Synology one-way sync, Synology two-way sync, and more.
  • Besides, Email and Filter settings are allowed to be set up in Options, which makes it easy to manage the tasks.
  • Unlock to enjoy all advanced features, including Filter, Schedule, faster sync speed, more data traffic, and many more.
  • Smart Share: Share cloud files via public, private, or source mode.
  • One-key Move: Quick data transfer, sync, and backup among clouds.
  • Email Archive: Protect emails to other clouds or local disks.
  • Remote upload: Effectively save web files to clouds via URL.
  • Safe: Full-time 256-bit AES and OAuth authorization protections.
  • Easy: Access and manage all clouds in one place with one login.
  • Extensive: 30+ clouds and on-premise services are supported.

Reasons & Solutions for Synology Shared Folder Sync Failed

Synology Shared Folder Sync may fail due to various reasons. Here are some common causes and solutions:

  • Insufficient Permissions: Ensure that the user account has the necessary read and write permissions on both source and destination folders.
  • Network Issues: Check network stability, disable firewalls temporarily, and ensure proper network settings for both Synology NAS devices.
  • Insufficient storage space on the destination NAS: Verify that there is enough free space on the destination device to accommodate the synced data.
  • Incompatible file systems on source and destination: Ensure that both NAS devices use compatible file systems (e.g., ext4, Btrfs) and convert if necessary.
  • Outdated DSM versions or Shared Folder Sync packages: Update DSM and Shared Folder Sync packages to the latest versions to benefit from bug fixes and improvements.
  • Concurrent tasks or conflicting configurations: Check for other ongoing synchronization tasks and resolve conflicts in settings. Avoid overlapping sync schedules.
  • Unknown errors during the synchronization process: Review system logs and error messages in DSM for more detailed information on the specific problem.
  • Anti-virus Interference: Temporarily disable antivirus features or whitelist the relevant folders to allow the syncing process.

Always remember to backup important data before making changes to avoid unintentional data loss. If issues persist, referring to the official Synology documentation or seeking assistance from Synology's support community may be helpful.

The Epilogue

From now on, you have a great idea about how to sync folder to Synology NAS on computer. Just find the best free way to make it. Furthermore, you can migrate files from OneDrive Personal to OneDrive for Business for easy file management, share files publicly or privately, save web files to OneDrive for safety, and more like.

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