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Added the ability to eject a storage pool on an expansion unit to enable the safe removal of drives.
Added the ability to mount storage pools from drives that were inserted after the device has been powered on.
Added Auto Repair, the ability to specify drive bays that will automatically initiate a RAID repair when the drive in that bay has been replaced.
Added the ability to replace drives with an unused one for pre-emptive replacements or storage capacity upgrades without degrading the storage pool.
Added the option to automatically replace degraded drives with Hot Spares, before degradation of the storage pool occurs.
Added new machine learning based health monitoring system to proactively identify drives with performance or degradation issues.
Added new Fast Repair mechanism to reduce the time needed for RAID repair based on the amount of storage capacity used.
Added the ability to configure when the automatic protection mechanism for SSD Cache should trigger in multi-drive fault tolerance SSD Cache setups.
Added a preview for storage usage under Btrfs volumes.
Added support for Western Digital® Device Analytics™ (WDDA) health analytics service for compatible WD Purple, Red, and Red Pro drives.
Improved Storage Manager usability with a clearer display of volume and storage pool relationships.
Improved SSD Cache Advisor with a new real-time volume monitoring system to provide more accurate and efficient sizing suggestions.
SSD Cache creation and removal processes will no longer interrupt ongoing services.
SAN Manager will replace iSCSI Manager. SAN Manager is now a separate modularized service and can be updated through Package Center in the future.
New Synology Storage Console plugin available, providing direct storage monitoring capabilities on VMware vSphere or Windows Server interfaces.
New Fibre Channel Protocol support:
FS Series: FS3400, FS1018, FS2017
SA Series: SA3400
XS+/XS Series: RS1619xs+, RS3618xs, DS3018xs, RS18017xs+, RS4017xs+, RS3617RPxs, RS3617xs+, DS3617xs
Recommended FC Adapter
Marvell: QLogic QLE2692-SR-CK
A list of validated FC adapters will be available when DSM 7.0 has been officially released.
Added Direct I/O option, for usage environments requiring maximum data consistency.
Added the ability to set a Global iSCSI CHAP to authenticate all connections and discovery sessions.
Added the ability to move LUNs across volumes.
Added support for FUA and Sync Cache SCSI commands.
Improved I/O performance, space reclamation speed, and overall connection stability.
Improved the display of recorded performance metrics with finer granularity of data points and the ability to focus on certain time points.
Improved monitoring transparency of system services by separating larger, unrelated processes.
File System/File Services
Added the ability to toggle File Compression anytime for Shared Folders created with DSM 7.0.
Added cross-protocol locking between SMB and AFP.
Added support for server-side copy for SMB on macOS.
Added support for accessing encrypted share folders via NFS protocol.
Improved Btrfs performance and lowered I/O latency.
Improved file compression ratio, current ratio is shown under each shared folder.
SMB file service has been modularized and can be updated separately through Package Center.
Added the ability to delegate predefined admin roles.
Added the ability to require imported users to change their passwords after initial DSM login.
Improved LDAP client authentication performance by reducing the number of queries sent.
Added support for Let’s Encrypt wildcard certificates when using Synology DDNS service.
Added the ability to block USB and console ports.
Improved QuickConnect connection process to strengthen security.
Modern Compatibility option for TLS/SSL profile level now only supports TLS 1.3.
Added the ability to back up DSM system configuration to a connected Synology Account.
Added severity levels to notifications for better categorization of events.
Improved user interface responsiveness.
Improved responsiveness of launching installed packages and services.
Improved login performance when connecting from external networks.
Improved Control Panel usability by reorganizing related functionality together
Added new Synology Account tab to consolidate future services provided through Synology Account.
Consolidated Domain/LDAP options, with a new unified wizard.
Consolidated QuickConnect settings into the External Access tab.
Consolidated User and Groups settings.
Consolidated Theme and Application Portal options into Login Portal tab.
Consolidated email notification options into Notification > Email tab.
Consolidated WS-Discovery into File Services > SMB.
SMB Server Signing option has been relocated to File Services > SMB > Advanced Settings.
Shared Folder Sync has been moved into the File Services tab.
DHCP Server has been modularized into a package.