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Release Notes for Synology High Availability

Synology High Availability leverages the ability of two Synology NAS to maximize service uptime. With the cluster design, the active server is responsible for running all services and sync data to the passive server, which stands by and takes over the services when the active server becomes unavailable.

Version: 2.1.4-1581

(2023-09-26)

Important Note

  1. Starting from this version, IP addresses for Heartbeat connections are automatically added to the auto block feature's allow list to ensure stable cluster connections.

Version: 2.1.4-1552

(2023-05-22)

Compatibility & Installation

  1. Synology High Availability 2.1.4-1552 requires DSM 7.2 and above.

Version: 2.1.4-1533

(2023-04-25)

Compatibility & Installation

  1. Synology High Availability 2.1.4-1533 requires DSM 7.2 and above.

Version: 2.1.3-1431

(2022-09-05)

What's New

  1. Enhanced the system stability during DSM update.

Fixed Issues

  1. Minor bug fixes.

Version: 2.1.3-1420

(2022-08-10)

What's New

  1. Enhanced the system stability during DSM update.

Fixed Issues

  1. Minor bug fixes.

Version: 2.1.2-1380

(2022-04-06)

What's New

  1. Updated to be compatible with DSM 7.1.

Fixed Issues

  1. Fixed an issue where updating DSM on SA3200D might remove the network settings of the cluster.
  2. Minor bug fixes.

Version: 2.1.2-1377

(2022-03-24)

What's New

  1. Updated to be compatible with DSM 7.1.

Fixed Issues

  1. Fixed an issue where updating DSM might fail when any of the servers in the cluster had been migrated.
  2. Minor bug fixes.

Version: 2.1.2-1367

(2022-02-17)

What's New

  1. Integrates the Storage page into Storage Manager for a more comprehensive storage space management experience.
  2. Added support for changing the cluster or Heartbeat interfaces without removing and recreating the cluster.
  3. Added support for repairing the degraded storage pool on the passive server with the hot spare drives on the passive server.

Version: 2.1.1-1279

(2021-10-26)

Important Note

  1. The update is expected to be available in all regions within the next few days. The actual time of release may vary slightly depending on the region.

What's New

  1. Added support for models with 16 network interfaces at most.

Version: 2.1.0-1229

(2021-06-29)

Compatibility and Installation

  1. Updated to be compatible with DSM 7.0.

Version: 2.1.0-1224

(2021-06-01)

Compatibility and Installation

  1. Updated to be compatible with DSM 7.0.

What's New

  1. Optimized the DSM update process and added update options to reduce system downtime by up to 80% during DSM updates.
  2. Enhanced the failover/switchover mechanism and reduced the completion time by up to 30%.
  3. Supports updating Synology High Availability without interrupting services.
  4. Optimized the data synchronization mechanism to provide faster synchronization between the active and the passive servers.
  5. Supports configuring separate UPS on both active and passive servers to maximize service availability.

Version: 2.0.8-0579

(2021-03-22)

Bug Fixes

  1. Fixed an issue where the system might incorrectly display "volume crash" on the passive server when the passive server is rebooted.

Version: 2.0.7-0578

(2021-03-09)

What’s New

  1. Updated to be compatible with DSM 6.2.4-25556.

Version: 2.0.6-0575

(2021-02-23)

Important Note

This update is expected to be available in all regions within the next few days. The actual time of release may vary slightly depending on regions.

What's New

  1. Supports scheduled S.M.A.R.T. test for passive servers.

Fixed Issues

  1. Fixed an issue where the volume size of high-availability clusters might not be expanded after new drives were added.

Version: 2.0.4-0532

(2020-09-24)

Bug fixed

  1. Fixed an issue where the system might falsely report that a hot spare drive on the passive server is missing during system update.