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Synology DiskStation DS212+ Release Notes

Version: DSM 4.2-3211

(2013/04/18)

What's New

  1. Fixed an issue where users could not connect to the DiskStation via FTP over SSL.
  2. Fixed an issue which kept the DiskStation from connecting to SNMP (Simple Network Management Protocol) UPS devices.
  3. Fixed an issue where domain users could not obtain an emergency code for 2-step verification.
  4. Improved the compatibility of file sharing via SMB/CIFS with Mac computers.
  5. Improved the stability of generating Disk Usage Reports.
  6. Improved the stability of iSCSI LUN.
  7. Improved the compatibility when backing up data between different versions of DSM.
  8. Improved stability when syncing files between two DiskStations with Shared Folder Sync.
  9. Improved the stability when backing up data to another DiskStation with Time Backup.
  10. Other issue fixes and enhancements.

Version: DSM 4.2-3202

(2013/03/04)

Compatibility and Installation

  1. DSM 4.2 will be the last DSM upgrade for all 9-series Synology NAS due to hardware capabilities.
  2. DSM 4.2 can only be installed on Synology products running DSM 4.0 or later. Before starting, please log into DSM and go to Control Panel > DSM Update to install the latest available update.
  3. The following packages must be updated to be compatible with DSM 4.2: VPN server, Mail Server, Mail Station, Video Station, Time Backup, Logitech Media Server.
  4. Some features have special hardware requirements and are only available on select models.

What's New

  1. Storage Manager
    • Global Hot Spare Disks -- Hard disks can now be designated as hot spare disks, which can repair degraded volumes/Disk Groups/iSCSI LUNs by automatically replacing a failed disk.
    • S.M.A.R.T. Test Scheduler -- You can now perform S.M.A.R.T. tests according to your individual schedule. For example, S.M.A.R.T.tests can be scheduled to run monthly or automatically test all of the disks in your DiskStation.
  2. File Services for Windows, Mac OS, and Linux
    • SMB2 Protocol Support for Windows File Service -- SMB 2 protocol has general improvements to allow for better network utilization.
    • Large MTU Support for SMB2. The Large MTU (maximum transmission unit) option allows users to utilize the network capabilities better and achieve faster transferring speed. You can enable this option through a registry key on Windows computers.
    • AFP (Apple File Protocol) Performance Enhancements -- The speed of file transfers to the DiskStation has improved up to 52%. The following is a comparison between DSM 4.1 and DSM 4.2.
      • DSM 4.1 DSM 4.2 Improvement
      DS212+ 45.2 MB/s 68.6 MB/s 51.6%
    • Network Backup, rsync, and Shared Folder sync -- The performance of these feature has been generally improved when transferring large numbers of folders and files. The following is a comparison between DSM 4.1 and DSM 4.2.
      • DSM 4.1 DSM 4.2 Improvement
      Backup 5000x 1MB files in 1110 folders from DS213+ to DS212 32.8 sec 14.55 sec 2x
      The time used to run the backup task for the second time.
  3. File Station
    • Single Page of Files -- You can now browse up to 1000 files on one single page.
    • Thumbnail View -- Files and pictures can be displayed as large icons or thumbnails of pictures, if available.
    • Hotkeys -- The following keyboard shortcuts have been added in order to simplify file management: Select All (Ctrl + A), Cut (Ctrl + X) , Copy (Ctrl + C), Paste (Ctrl + V), Delete (Delete), Rename (F2).
  4. TFTP & PXE
    • TFTP & PXE -- You can now set up your DiskStation as a TFTP server, allowing clients to retrieve system boot images via TFTP and implement Pre-Boot Execution Environment (PXE).
  5. Package Center
    • New Design for App Discovery -- You can now browse packages by categories or search for specific packages. Screenshots are included to give you a preview of the app before installing them.
    • Transaction Platform -- Paid and trial versions of packages are available in the new Package Center. Please note, you will need a MyDS Center account in order to purchase paid apps.
    • Integrated with MyDS Center Account -- You can now review your purchase history on the MyDS Center website.
  6. 2-step Verification & Account Activity
    • 2-step Verification-- This feature adds an extra layer of security to your DSM account. Once 2-step verification is enabled, anyone trying to access your account will need a one-time 6-digit code displayed on your smartphone, in addition to your DSM password.
    • Account Activity -- This feature lets you view your current login session and login history.
  7. Firewall & Security
    • Denial of Service (DoS) Protection -- This option allows you to filter out malicious traffic without interrupting safe traffic.
    • Customized Block & Allow IP List for Auto Block -- You can now manually add IP addresses to your Block and Allow lists to protect your network.
  8. LDAP/AD Accounts
    • More Apps for Enterprise Users -- Enterprise users can now enjoy more features of DSM with LDAP or AD accounts. Supported packages includes Cloud Station, Audio Station, Video Station, Mail Server, and Mail Station.
  9. Task Scheduler
    • Automate Tasks -- Task Scheduler allows you to schedule and run tasks at pre-defined times. Tasks include running user-defined scripts, cleaning the Recycle Bin on a regular basis, and starting and stopping services, among others.
  10. Disk Usage Report
    • Easily Monitor Storage Usage -- The disk usage report feature displays the following information: the outstanding storage usage of users, the status of volume usage, trends based on past usage, the percentage of disk space that each file type occupies, the size of shared folders, and the largest, most, least frequently modified files.
    • Schedule Report -- You can schedule periodic reports or perform analyses immediately.
  11. Bluetooth Support
    • Stream music with Bluetooth -- You can to connect multiple USB Bluetooth adapters to your DiskStation and connect to A2DP Bluetooth devices, such as speakers or headphones in order to easily stream music stored on your DiskStation.
  12. DDNS
    • Support for Multiple DDNS Hosts-- More than one DDNS provider can now be set up and saved at the same time.
    • Supports Chinese domain names provided by Oray DDNS.
  13. QuickConnect
    • More Mobile Support -- QuickConnect now supports more mobile apps, including DS photo+, DS audio, and DS cloud.
  14. Power, Devices and Printers
    • Network UPS Support -- DiskStation now supports connecting to SNMP (Simple Network Management Protocol) UPS devices or network management cards, allowing your DiskStation to enter safe mode based on the status of your network UPS.
    • Network Printer Support -- DSM now supports LPR, IPP, Socket, and BJNP network printers and can share them over the network via AirPrint, Cloud Print, LPR, CIFS, IPP protocols. Windows users can set up network printers shared by DiskStation with Synology Assistant.
  15. Wi-Fi Connectivity Enhancements
    • WPA2 Enterprise -- If your DiskStation has a USB Wi-Fi adapter installed or built-in, you can join a wireless network with WPA2 Enterprise security.
  16. The desktop version of DSM on touch-enabled devices has been enhanced to support more touch events for Safari on iPhone, iPad and Chrome on Android devices.š
    • Application windows can be auto-maximized and auto-centered.
    • Users can use 3-finger gestures to switch between applications.
    • Users can long-press on items to right-click.
    • Supports double tapping items.
  17. Certificate Management
    • Certificate management allows you to create a self-signed certificate or a certificate request, or import certificates to DSM for encrypted services, such as web (HTTPS), FTP, RADIUS server, and mail services.
    • You can view info regarding your server certificate, including expiration date, issuer, and subject (common name) in Control Panel > DSM Settings.
  18. Misc.
    • Apache has been upgraded to 2.2.23.
    • PHP has been upgraded to 5.3.21.
    • Perl is now a standalone package.
    • If you enable SSH service and open its port (22) to the Internet, you may notice many attempts to access your DiskStation in System Logs, because SSH connections are now recorded in DSM 4.2. To protect your DiskStation, we suggest configuring Firewall settings to allow only select IP addresses to access your DiskStation via SSH.
    • Supports an alternative DNS server in network settings
    • You can discover your Synology NAS with SSDP (Simple Service Discovery Protocol) before DSM is installed if the Synology NAS has been installed DSM 4.2 once.

Version: DSM 4.1-2668

(2012/12/18)

Change log:

  1. Fixed an issue where you may not see the files via Windows File Service (CIFS protocol) after you rename them.
  2. Fixed an issue where you may not be able to delete files via Windows File Service.
  3. Fixed an issue where the DiskStation may not enter safe mode when a power outage occurs.
  4. Improved overall reliability of Windows File Service.

Limitation & Known Issues

  1. Refer to "Limitation & Known Issues for all versions" for other limitations.

Version: DSM 4.1-2661

(2012/11/15)

Change log:

  1. Fixed an issue where files in the encrypted shared folders were case-sensitive.
  2. Fixed an issue where file transmission over HTTPS was slow.
  3. Fixed an issue where the system time of DiskStation was inaccurate.

Limitation & Known Issues

  1. Refer to "Limitation & Known Issues for all versions" for other limitations.

Version: DSM 4.1-2647

(2012/10/02)

Change log:

  1. Fixed an issue where the folder and file names were case-sensitive when you access them via Windows File Sharing.
  2. Fixed an issue where full backup was performed when it should be incremental backup. Amazon S3 users should apply this update to reduce the amount of data transmission.
  3. Improved the NFS performance when mounted to VMware ESXi 5.1 servers.
  4. Improved the AirPrint compatibility with iOS 6 devices.
  5. Improved the compatibility with Internet Explorer 10.
  6. Other fixes.

Limitation & Known Issues

  1. Refer to "Limitation & Known Issues for all versions" for other limitations.

Version: DSM 4.1-2636

(2012/08/31)

New Feature Highlights

  • DSM 4.1 can only be applied to Synology NAS with DSM 4.0 and onward. Download DSM 4.0 at: Americas, Asia, Europe, Hong Kong
  • Due to the hardware capability, not all of the features of DSM 4.1 are available to all models; please see below for more information. If you would like to experience the full potential of DSM 4.1 or the future release of the DSM operating system, please consider upgrading the Synology NAS to a new one.
  1. Firewall with Traffic Control:
    • The Traffic Control allows you to reserve, limit, or prioritize the bandwidth usage for difference services to help you manage your bandwidth resource effectively.
    • The maximum bandwidth for each network port or port range can be set up within the built-in Firewall.
  2. Speed Limit:
    • In FTP, File Station,WebDAV and Network Backup settings, you can set the bandwidth for selected users, groups, to limit speed of a single user, or the total bandwidth usage for a group.
    • Speed limit is supported on domain users and groups including LDAP domain or Windows AD.
    • The file transfer sessions with speed limit can be viewed in System Information.
  3. FTP Server:
    • SFTP server is supported to meet the enterprise security standard.
    • SFTP server port number can be either specified or the same port as SSH.
    • FTPS service supports FIPS by using OpenSSL FIPS 140-2 validated cryptography module.
    • FXP is supported, enabling users to exchange files between two FTP servers directly.
  4. Windows File Service Update:
    • Samba is now upgraded to 3.6 with the version of SMB protocol SMB1.
    • The authentication security is enhanced with NTLMv2 and updated Kerberos v5 support.
  5. Recycle Bin on all file protocols:
    • Recycle Bin now works in Windows File Sharing (CIFS), File Station, FTP, AFP and WebDAV. In case that you have accidently removed important files on Synology NAS, you can still simply retrieve the files back from recycle bin.
    • Recycle Bin can now be enabled or disabled on different shared folders.
  6. QuickConnect - File Sharing:
    • Users can now share any file links with the domain of GoFile.me without configuring port forwarding on the router.
  7. Shared Folder Sync:
    • Shared Folder Sync now supports synchronization from multiple Synology NAS to the same destination. This is supported only when DSM 4.1 is running on both source and destination servers.
  8. Resource Monitor:
    • The new Resource Monitor app enables you to monitor the CPU, physical memory, disks and network utilization of your Synology DiskStation.
    • View the swap in/out rate as well as IOPS, transfer rate, and the average loading of each disk.
    • Resource monitor log is now available to display the real time, 1 day, 1 week, 1 month, and 1 year of all analyzed reports with historical data.
    • View all the current running and idling processes on your Synology NAS.
  9. Connection via Proxy Server:
    • Synology NAS can now connect to the Internet via a proxy server in your LAN. You can update DSM or packages directly in the web interface more easily.
    • HTTP/HTTPS proxy server and authentication are supported.
  10. System Log:
    • The System Log consolidates all logs in DSM.
    • Spot important events including error or warning with just a few clicks.
    • Keyword search is available in the system log.
  11. SNMP v3:
    • SNMP v3 is now supported for you to monitor Synology NAS with enhanced security.
    • You can download Synology MIB files to configure your NMS (Network Management System) to monitor multiple Synology NAS.
    • IPv6 is supported to enable you to get the system status of your DiskStation.
  12. Netatalk is updated to 2.2.3.
  13. PHP module is updated to 5.3.15.
  14. Openssl has been updated to 1.0.1c.
  15. Apache is updated to 2.2.22.
  16. Thumbnail Creation Speed:
    • Thumbnail creation speed on Synology NAS has been improved with the new algorithm for thumbnail creation. Below is the test result of the time spent (in seconds) to get thumbnails of 160 MB pictures done.
      •   DSM 4.0 DSM 4.1 Improvement
      DS1512+ 395 150 163.33%
      DS409+ 565 500 13.00%
      DS112+ 2019 1538 31.27%
    • Photos can now be displayed more quickly in Photo Station in DSM 4.1 with the new thumbnail display mechanism.
    • You are able to set the thumbnail quality to be normal to make the thumbnail converting process a lot faster.
  17. Package Center:
    • You can update all packages with a single click on the Update All button.
    • Beta channel in Package Center is now available for subscription if you would like to try the latest/experimental features.
    • Available packages can now be sorted by name or by popularity.
  18. VPN connection is supported with reconnect automatically when the connection is lost.
  19. NTP server is now built-in in your DiskStation.
  20. DS video on iPhone/iPad (Available soon in App Store):
    • Watch videos in supported format (MP4, M4V, MOV) from the Video Station library on iPhone and iPad with DS video.
    • If you have plugged in a DTV dongle to your DiskStation, you will also be able to view and schedule TV program recording with DS video.
  21. DS download on iPhone (Available soon in App Store):
    • DS download allows you access Download Station remotely from your iPhone; you can view the list of your download tasks and the information of each task, as well as pause, resume or delete tasks.
    • Create download tasks through the in-built browser in DS download, using Safari, or simply by entering URL.
    • Manage settings of the Download Station, including the maximum upload and download speeds for different types. Advanced schedules defined in Download Station can be activated from DS download.
  22. DS file on iPhone/iPad and Android phone/tablet (Available soon in App Store and Play Store):
    • With Cloud Station integration, DS file allows you to sync files with the Cloud Station folder of your DiskStation.
    • Sync files with the Cloud Station folder of your PC/Mac (limited to 10MB per file and to the following formats: doc, ppt, xls, docx, pptx, xlsx, odt, ods, odp, epub, mobi, prc, pdf, txt, html, htm, pages, numbers, key, pages.zip, numbers.zip, key.zip)
  23. DS audio on iPhone/iPad (Available soon in App Store):
    • Assign specific songs to be always available for listening by storing on your iOS devices. When the network connection is not available, you can switch to the offline mode and play the songs you’ve downloaded.
    • Create and edit playlists from “Now playing” list.
    • View lyrics of the song currently being played.
  24. DS audio on Android phone/tablet (Available soon in Play Store):
    • Android tablets and landscape are supported.
    • You can view lyrics display for song being played.
  25. DS photo+ and DS audio on Windows Phone (Available soon in Marketplace):
    • DS photo+ & DS audio are now available on Windows Phone.

Limitation & Known Issues

  1. Refer to "Limitation & Known Issues for all versions" for other limitations.

Version: DSM 4.0-2228

(2012/05/15)

Change log:

  1. Photo Station, Audio Station, Surveillance Station and Download Station packages have been updated. Please refer to these packages’ release notes for details.
  2. Enhanced the stability of file based iSCSI LUN over 1TB.
  3. Fixed an issue that caused the incorrect aspect ratio in video playback in Photo Station.

Limitation & Known Issues

  1. Refer to "Limitation & Known Issues for all versions" for other limitations.

Version: DSM 4.0-2219

(2012/04/17)

Change log:

  1. Updated Photo Station, Audio Station, Surveillance Station, Media Server, iTunes Server and Download Station packages to the latest version if they were installed. Please refer to these packages’ release notes for details.
  2. Enhanced Samba protocol security by preventing remote code execution as the "root" user (CVE-2012-1182).
  3. Added a notification event when the DiskStation enters safe mode due to UPS low battery.
  4. Enhanced USB Copy to function properly with an attached iPhone.
  5. Fixed an issue where your DiskStation might not enter hibernation while DDNS service is enabled and PPPoE connection is established.
  6. Enhanced the overall stability of AFP file protocol.
  7. Minor bug fixes.

Limitation & Known Issues

  1. Time Backup package has to be updated to the latest version to run on this DSM version.
  2. Refer to "Limitation & Known Issues for all versions" for other limitations.

Version: DSM 4.0-2198

(2012/03/08)

Change log:

  1. Fixed an issue where you may not be able connect to your DiskStation via Internet when Firewall is enabled and set as “Deny Access if no rules are matched”.
  2. Fixed an issue where the access to DiskStation share folders via CIFS protocol may be interrupted when DiskStation joins the LDAP service as client, and the account password is changed.
  3. Improved the stability of accessing external NTFS drives via CIFS protocol.
  4. Other minor fixes.

Limitation & Known Issues

  1. Refer to "Limitation & Known Issues for all versions" for other limitations.

Version: DSM 4.0-2197

(2012/03/06)

New Feature Highlights

  • DSM 4.0 can only be applied to Synology DiskStation with DSM 3.0 and onward. Download DSM 3.0 at: Americas, Asia, Europe
  • Due to the hardware capability, DSM 4.0 will be the last DSM upgrade available for all x08-series DiskStations.
  • Due to the hardware capability, not all of the features of DSM 4.0 are available to all models; please see below for more information. If you would like to experience the full potential of DSM 4.0 or the future release of the DSM operating system, please consider upgrading the DiskStation to a newer one.
  1. Cloud Station beta (Available in Package Center)
    • Cloud Station is a free package which offers a file-syncing solution on multiple computers that lets you bring your docs and multimedia anywhere and backup them easily.
    • 32 historical file versions are available for each synced file which helps you backup your important files automatically.
    • Recycle bin stored the deleted files for later retrieve if necessary.
    • Privilege control allows the selected users to use Cloud Station to control your network bandwidth.
    • Cloud Station client is now available on Windows XP, Windows Vista, and Windows 7, helping you to sync data between your computers and Synology DiskStation via the IP address or ezCloud ID.
    • Please refer to the release notes of Cloud Station for details.
  2. ezCloud Service:
    • ezCloud is a cloud service offering QuickConnect, DDNS, MyDS Center, and Push Notification to help you setup/access/manage Synology DiskStation easily.
    • QuickConnect offers ezCloud ID which allows you to connect your Synology DiskStation using Cloud Station client or DS file without setting up port forwarding rules on your router.
    • Customized ezCloud ID allows you to create your own ezCloud identity.
    • DDNS service is free and now provided by Synology offering you the flexibility to customize your own domain in the easiest way.
    • MyDS Center, a Synology membership service, is now up and running to serve the community at MyDS.Synology.com, you may check your Synology DiskStation status from anywhere via the heartbeat feature and receive the push notification in case of any unexpected shutdown.
    • Push Notification enables you to receive the important messages instantly from your Synology DiskStation via Windows Live Messenger, Skype, DS cam and DS finder for iPhone/iPad.
    • HTTPS connection from DS file is supported in QuickConnect service.
  3. Applications Modularization:
    Six previously built-in applications - Photo Station, Audio Station, Download Station, Media Server, iTunes Server, and Surveillance Station - are now modularized to be independent packages, and they can be installed or updated separately without interrupting services running on DSM.
  4. iSCSI LUN Backup:
    • Point-in-time backup technology is used to allow copy-on-write implementation. Space re-claim mechanism is added to take place for any 4GB zero-block to reduce the file size of total backup.
    • In addition to the local host, LUN can also be backed up to an attached external storage device, or onto another DiskStation via network.
    • Incremental backup is available after running the initial full backup.
  5. Desktop Widgets:
    Seven new widgets are now introduced onto DSM desktop – System Health, Resource Monitor, Scheduled Backup, Storage, Current Connections, System Logs and File Change Logs. You will get an overview of system status and monitor the activities of your Synology DiskStation right after the login.
  6. User Interface Enhancements with HTML 5 and CSS3 Transform:
    • Instant Preview allows you to take a quick peek of a running app on the task bar before you switch to it. (Internet Explorer is not supported)
    • Pilot View gives you one place to see and navigate every app running on your DSM with just one click. (Internet Explorer is not supported)
    • You can make groups of shortcuts on DSM 4.0 Desktop.
    • You can personalize the background of the login page in DSM 4.0.
  7. Application Portal:
    You can customize the alias or HTTP port for Audio Station, File Station, Surveillance Station or Download Station, meaning you may now skip the DSM login page for better privacy and offer an easier way to share these services with your friends.
  8. Antivirus Essential (Available in Package Center):
    • Antivirus Essential is a free and complete antivirus solution from Synology.
    • Scheduled virus scan is available to keep your DiskStation safe and secure in your network at all times.
    • Automatic virus definition update allows you to perform the virus scan always with the latest virus definition.
    • Scanning files on the remote folders are supported.
  9. File Station Enhancements:
    • The previous File Browser has now been integrated and renamed to File Station.
    • Windows ACL user interface is now integrated into DSM, so you can edit Windows ACL directly in File Station.
    • Sharable file links are now provided to allow DSM users to share files to others with these private file links, without creating DSM accounts for them.
    • Uploading or downloading multiple files and folders in a sequential order is now available. (Java running on the PC client is required)
    • Personal favorite is now added for quick access to your folders.
    • Instant cut, copy, and paste are now available to manage folders and files between your Synology DiskStation and local computer in File Station.
    • File or folder shortcut on DSM desktop is available by directly drag-and-drop from File Station.
    • The number for maximum files to upload is raised to 300.
  10. Surveillance Station 5 Enhancements:
    • Live View Analytics lets user track targets and record events intelligently in real time. Live View Analytics History also provides user the ability to view Live View statistics and playback incidents.
    • Evidence Integrity Authenticator tool enables users to verify the originality of Surveillance Station's recording or snapshot.
    • Fisheye camera is supported to view 360 degree panoramic view. Multiple regions or 180 degrees hemispheric images can be dewarpped from distorted fisheye image.
    • More than 1,000 IP cameras are supported and 200 new IP camera models are added from Samsung, Vivotek, ACTi, Trendnet, D-Link, and etc. Please refer to the here for the complete list.
    • In addition to e-mail and SMS, push notification supports DS cam, Windows Live Messenger, and Skype and can now be scheduled by individual camera or event type simultaneously.
    • Camera can now be added in batch from different models and brands, to help system integrators efficiently setup a multiple of cameras.
    • Surveillance Station is becoming fast and more responsive.
  11. Photo Station 5 Enhancements:
    • Uploading photos to Picasa Web Albums or Twitter is now supported with just a few clicks. You can upload multiple photos to Picasa Web Album at a time.
    • The new Detail Mode offers you an additional way to view the picture wall in the original aspect of photos along with their titles.
    • A new album, Blog Images, will be created when you share pictures on your blog. The photos shared on your blog will be copied to this public album.
    • Copying photos between albums is now supported for easy management.
  12. Download Station Enhancements:
    • Watched Folder allows you to save torrents or NZB files to the specified folder and download tasks will start automatically.
    • SFTP and FTPS are now supported (not available when downloading a directory).
  13. Media Indexing Service:
    • Media Server, Audio Station and iTunes Server can be configured to include additional indexed folders for media scanning.
    • All picture, audio and video collections can now be customized to be scanned in the 3 default multimedia folders. (music, video, and photo)
    • MPEG-4 video conversion is now supported for playback on mobile devices in Photo Station.
  14. VPN:
    VPN client is now available to allow you to securely access the resources shared within VPN server's local area network, over the Internet. VPN client supports both PPTP and OpenVPN protocol.
  15. Syslog:
    Syslog client is now added to report to your Syslog server, which centralizes logs in one place for easy management.
  16. VLAN support:
    • VLAN tagging is now supported on your DiskStation, which improves the manageability, and reduces hardware/administrative cost. Supporting VLAN also helps your DiskStation fit into your existing network infrastructure.
  17. Hotspot: (not available on all 08 series, DS109j, and DS209j)
    • Wireless access point is now supported by simply plugging a USB wireless dongle into your DiskStation. For the complete supported list, please see here.
  18. Connection Manager:
    A real-time connection list is now added to allow you to monitor who is accessing your data and kill the connections of unwanted users. It is supported in DSM, FTP, Samba, and AFP protocols, as well as shown as the widget on DSM desktop.
  19. Configuration Backup Enhancements:
    • Configuration backup is integrated with settings of Control Panel, providing easy migration and fast system recovery.
    • Scheduled system configuration backup is introduced to automatically backup the configurations on a weekly basis to reduce the side effects of the system rollback.
    • You can partially restore system configuration now.
  20. VMware vSphere 5.0 VAAI Support:
    Atomic Test & Set (ATS) supported to eliminate LUN-level locking based on SCSI reservations and improve data access performance.
  21. DHCP Server: (Available in Package Center)
    • DHCP Server supplies IP address to other computers over TCP/IP networks on multiple subnets. It can also be individually turned on/off for each network interface.
  22. SMART Test Scheduler:
    SMART test by schedule is now available to scan HDD for potential risks on a timely basis to prevent data crisis.
  23. Smart Remap:
    A new mechanism is in place to protect the degraded RAID from being crashed during the repairing process due to bad sectors.
  24. Improved NTFS Performance:
    data transfer rate between NTFS external disks and DiskStation can be 3.7 times as fast as DSM 3.2. The speed test result of writing data to the eSATA drive connected to DiskStation with NTFS partition is listed below:
    25. DiskStation / DSM version DSM 3.2 DSM 4.0
    DS1512+ 40.88 MB/s 110.66 MB/s
    DS212+ 15.36 MB/s 56.98 MB/s
  25. Improved Server Response Time (only available on DiskStation with 5 or more bays):
    Now it only takes 7 seconds for server to respond from HDD hibernation.
  26. FIPS 140-2 Compliant:
    Synology implementation of AES encryption has been validated by Crytographic Algorithm Validation Program (CAVP)
  27. Apple Routers Support:
    EZ-Internet now supports Apple routers - Airport Express, Airport Extreme, and Time Capsule by integrating NAT-PMP. Mac users can now publish their Synology DiskStation onto Internet with just a few clicks. Please refer here for supported router list.
  28. ARM Performance Improvements over iSCSI:
    iSCSI data transfer rate on ARM-based DiskStation with RAID 1 disk groups or data volumes is significantly improved by a maximum of 21%. The test result of iSCSI writing is listed below:
    29. DiskStation / DSM version DSM 3.2 DSM 4.0
    DS212+ 85.94MB/s 96.55MB/s
    DS212 78.43MB/s 95.94MB/s
  29. DSM mobile Enhancements:
    Auto Block, User Groups management, Mounting/unmounting encrypted shared folders, running/stopping packages, iSCSI LUN monitor, and the complete resource monitor are now added.
  30. iPhone/iPad Apps Upgrade: (Available on Apple® App Store)
    • DS photo+: Supported photos and videos displayed on Apple® TV.
    • DS file: iCloud and QuickConnect is now integrated.
    • DS audio: The recently added albums are now available displayed as a playlist.
    • Push Notification is now implemented on DS finder and DS cam.
    • Login credential encryption will be supported even with HTTP connection. Your sensitive username and password data will be securely transferred when you use DS cam, DS audio and DS finder with DSM 4.0.
  31. Android Tablet Support: (Available on Android® Market)
    • Android Tablet support: DS file and DS photo+ are officially supported for devices with Android 3.1 or later. The user interface has been resigned for Android tablets.
    • Login credential encryption will be supported even with HTTP connection. Your sensitive username and password data will be securely transferred when you use DS cam, DS audio and DS finder with DSM 4.0.
    • Push Notification is now implemented on DS finder for Android.
  32. Windows Phone Support: (Coming soon on Windows Phone® Marketplace)
    • DS finder will soon be available for your Windows Phone for you to monitor your DiskStation and receive important system notification instantly.
  33. Kindle Fire support: (Available on Amazon® App Store): DS photo+, DS audio, DS cam, DS file and DS finder are now supported on Amazon Kindle Fire.
  34. The following packages are updated to support DSM 4.0: TimeBackup, VPN Server, Syslog Server, Directory Server, and HiDrive Backup.
  35. Upgraded Apache web server to 2.2.22, php module to 5.3.10 and openssl to 1.0.0g.
  36. Added 93 new wireless dongles including ABOCOM, ASUS, D-LINK and EDIMAX. For the complete supported camera list, please see here.

Limitation & Known Issues

  1. LUN backup does not support destinations in FAT, NTFS file system, or encrypted shared folder.

Special Notes

  1. Browser Support:
    • Internet Explorer 8, 9
    • Google Chrome
    • Firefox 3.6, 4-10 or later
    • Safari 5 (Mac)
  2. VPN client supports 1 active connection and up to 16 profiles.
  3. QuickConnect supports 2 active connections for each DiskStation.
  4. For CMS deployment on Surveillance Station, the DSM versions of Master and Slave must both be 4.0 backward for compatibility.
  5. Remote Folder and Virtual Drive cannot be mounted on subfolders in user home that contains “Cloud Station” in its folder’s name.

Version: DSM 3.2-1958

(2012/02/09)

Change log

  1. Minor Bug Fixes.

Limitation & Known Issues

Version: DSM 3.2-1955

(2011/11/30)

Major Highlights

  1. Synology® ARM® Performance Acceleration Technology: Synology DiskStation now enters the next level in terms of performance. Data transfer rate on ARM-based DiskStation is significantly improved by a maximum of 18.8%. The test results are provided below:
Model Max. Upload Improvement
DS111 18.86%
DS110j 13.10%
DS212+ 16.78%
DS212 17.51%
DS212j 11.87%
DS411 14.37%
DS411j 9.04%
DS411slim 13.32%
RS812 11.19%
RS212 17.20%

Please refer to the performance page for the details.

Synology® ARM® Performance Acceleration Technology makes file transfer faster for the following models:

  • 12-series: DS212, DS212+, DS212j, RS212, RS812
  • 11-series: RS411, DS411, DS411j, DS411slim, DS211+, DS211, DS211j, DS111
  • 10-series: DS410j, DS210j, DS110j
  • 9-series: RS409, DS409, DS209, DS109, DS409slim

Improvements

  1. Enhanced the compatibility with USB 3.0 storage devices.
  2. Enhanced the compatibility of iSCSI targets with VMware ESXi servers.
  3. Optimized system memory usage during storage and volume management.
  4. Enhanced Surveillance Station timeline playback in countries with daylight saving time.
  5. Enhanced Photo Station Blog draft saving mechanism.
  6. Other minor bug fixes.

Limitation & Known Issues

  1. Refer to "Limitation & Known Issues for all versions" for other limitations.

Version: DSM 3.2-1944

(2011/11/1)

Change log

  1. N/A. (This is the initial release of DS212+)

Limitation & Known Issues

Limitation & Known Issues for all versions

  1. On all browsers, uploading single file without enabling Java is limited to 2GB for File Browser and File Station. This is due to browsers' limitation.
  2. USB Disk Limitation:
    • Mac OS 9 does not support FAT32.
    • The USB disk must be larger than 1GB.
  3. DSM's VPN client might not support connecting to all third-party VPN services. For better compatibility, DSM's VPN client should be connected to VPN servers hosted on Synology NAS.

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