Synology Drive ShareSync

Synology Drive ShareSync is the application to sync data across multiple Synology NAS. It is automatically installed along with the Synology Drive Server package in DSM.

Before you start

1. Install Synology Drive Server on all Synology NAS that you want to sync.
2. In Synology Drive Admin Console > Team Folder on each remote Synology NAS, enable shared folders as Team Folders.

We recommend signing in to both local and remote Synology NAS as an admin. Insufficient permissions will result in one-way synchronization.

Set up Synology Drive ShareSync

To sync files between the remote and local Synology NAS, establish their connection first.

Create a new connection on the local Synology NAS

1. Open Synology Drive ShareSync, click Start Now or the + icon to begin.
2. Enter the IP address (or QuickConnect ID), username, and password of your remote Synology NAS. For domain users, sign in with your domain name\username. For LDAP users, use "username@Base_DN" to sign in. You can also connect via IPv6 or proxy service.
3. On the next page, select the folders you want to sync.
4. Review the sync settings. To modify the settings, select the folder and click Edit. For details on modifying these settings, refer to the Sync Folders section.

Overview

Manage connections

1. Select a connection on the left panel.
2. Under the Overview tab, you can pause/resume syncing, edit connection, or click Unlink to disconnect the connection with the remote Synology NAS.

Sync Folders

Sync shared folders

Under the Synced folders tab, select the shared folder you want to sync.If you have mounted a folder on the local Synology NAS, files and folders under the mounted folder will not be synced.

Sync homes folder

The homes folder follows a fixed sync rule for data consistency and cannot be changed.

Modify the sync settings

1. Select a shared folder, and click Edit.
2. In the Folder tab, you can edit the folder location and select specific sub-folders or files that you want to sync.
3. In the File filter tab, you can modify the following settings:
   • Filter By File Size: Enter a number between 0~10240000 (MB). 0 means unlimited.
   • Filter By File Type: The selected file types will be synced. You can unselect the file types you want to exclude, or enter file names or file extensions in the field below and click Add.
4. In the Sync Mode tab, you can modify the following settings:
   • File sync mode
   • Sync direction: Note that if the account used to sign in to the remote Synology NAS has read-only permission, sync will be download-only, and changes on the local Synology NAS won't sync. Files and folders under a mount point on the local Synology NAS also won't be synced.
   • Enable advanced consistency check: This allows Synology Drive ShareSync to ensure synchronization accuracy by comparing criteria like hash, execute bit, and file permissions during merging. Note this function may take extra time and resources.

Delete the database

The Delete Database option is only available when you create a task and then disable it.

• Select a shared folder, and click Delete Database. This action deletes the history and settings of the local shared folder's previous sync tasks. Data in the local shared folder will remain on the local Synology NAS.

Sync Log

Sync log allows you to keep track of your synced files and events. You can click the Sync log icon at the upper-left corner to view the log and filter the events.

Settings

Click the Settings icon at the upper-left corner to modify database location, set up default action for resumed sync tasks, and edit file conflict resolution settings.