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3.1 Release Notes
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3.1.0 Release Notes
1 Overview
UniSpace 3.1.0 was released in June 2025. This release expands platform support and improves backup, recovery, and integration capabilities across databases and virtualization platforms.
2 Feature List
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File System
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UniSpace 3.1.0 supports backup and recovery for Linux file systems, including ext3, ext4, and xfs.
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It also supports backup and recovery for Windows Server file systems (Windows Server 2019 and above), including NTFS, FAT, and exFAT formats.
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Supports full and incremental backups.
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Recovery options include local recovery, cross-machine recovery, data-only recovery, and data with ACL recovery.
Notes: Cross-platform recovery is not supported. (e.g., Windows-to-Linux or
Linux-to-Windows restore operations are not supported.)
- Databases
MySQL
- Supports MySQL 8.x backup and recovery.
- Backup methods: mysqldump and xtrabackup.
- Recovery supports local recovery, cross-machine recovery, log recovery, and restore database/logs to disk files.
- Supports xtrabackup incremental backups and point-in-time recovery for full instance backups.
PostgreSQL
- Supports PostgreSQL version 12.x and above. Backup methods: Dump and Basebackup.
- Supports master-slave replication architecture and backup from slave nodes (log backup only on master).
- Recovery includes local recovery, cross-machine recovery, and recovery to disk files.
KingBase
- Supports KingBase 9.x database backup and recovery.
- Backup methods: Dump and full instance physical backups.
- Supports master-slave architecture, slave node backup, and log backup only on the master.
- Supports local, cross-machine, and disk file recovery.
HighGo DB
- Supports backup and recovery for HighGo DB.
- Backup methods: Dump and full instance physical backups.
- Supports master-slave architecture, slave node backup, and log backup only on the master.
- Supports local, cross-machine, and disk file recovery.
DM (Dameng)
- Supports DM8 database.
- Backup types: full, incremental, and archive log backup.
- Supports master-slave, read-write separation, and DSC architectures.
- Supports backup of cluster structures and configuration via UI to select primary or secondary node, stream count, and priority settings.
- Recovery includes local, cross-machine, log recovery, redirect recovery, point-in-time and LSN-based recovery, and restore to disk files.
Oracle
- Supports Oracle 19C and above.
- Backup types: full, incremental, and archive logs.
- Supports standalone, RAC, and replicated cluster architectures.
- Recovery options: local, cross-machine, log, redirect, point-in-time, SCN recovery, and restore to disk files.
KingWow
- Supports online backup and recovery of KingWow databases.
- Supports backup of MG, TG, and DG data.
- Supports full and incremental backups.
- Supports local and cross-machine recovery, as well as point-in-time and latest point recovery.
Halo DB
- Supports backup and recovery of Halo database.
- Backup method: Dump.
- Recovery includes local, cross-machine, and recovery to disk files.
MS SQL Server
- Supports backup and recovery for SQL Server 2019 and above.
- Only full backup and recovery supported.
Notes:
- Differential and log backups/recovery are not supported.
- Supports SQL Server 2019 and above (Standard and Enterprise editions only, Express not supported).
- Windows only; Linux not supported.
GoldenDB
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Supports Golden V6.1.x (centralized and distributed) backup and recovery.
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Backs up metadata, seq_backup_dir of gtm nodes, active_file_directory of active transactions, and data/logs from all shards.
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Recovery supports instance or shard-level recovery, with rollback or non-rollback to a specific time.
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Instance recovery options: data only, metadata only, or both.
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Shard recovery only supports original cluster/instance, recovery to secondary nodes only.
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Virtualization
VMware
- Supports backup and recovery for vSphere 6.5, 6.7, 7.x, 8.x.
- Agentless backup; supports group, full, and incremental backups.
- Recovery options: local, to specific host/vCenter/folder, rename, and cross-vSphere (if within VMware compatibility list).
OpenStack
- Supports OpenStack Q release and above.
- Agentless backup; supports group, full, and incremental backups.
- Recovery: local, rename, cross-cluster.
- Supports using a unique access node as a gateway to communicate with Keystone, Volume, Nova, etc.
Huawei HCS
- Supports VM backup/recovery for Huawei HCS 8.1.x and 8.3.x.
- Agentless backup; supports group, full, and incremental backups.
- Recovery: local, rename, cross-cluster.
SmartX
- Supports VM backup/recovery for SmartX 6.x.
- Agentless backup; supports group, full, and incremental backups.
- Recovery: local, rename, cross-cluster.
InCloud (Inspur Cloud)
- Supports VM backup/recovery for InCloud platform.
- Agentless backup; supports group, full, and incremental backups.
- Recovery: local, rename, cross-cluster.
- Supports using a unique access node as a gateway to communicate with Keystone, Volume, Nova, etc.
SANGFOR CLOUD
- Supports VM backup/recovery for SANGFOR CLOUD.
- Agentless backup; supports group, full, and incremental backups.
- Recovery: local, rename, cross-cluster.
Storage
- Supports multiple backup devices: local, NAS, object, and Blu-ray storage.
- Local storage supports ext3, ext4, and xfs.
- NAS supports NFS V3 and V4 mounting.
- Object storage supports standard S3-compatible APIs.
- Blu-ray storage supports E-Hualu Intelligent Storage System V2.0.
- Supports StorNext V7.x (via NFS only).
- StorNext archive feature supported: if data is archived to object/tape storage, recovery will wait until data is retrieved before restoring.
- WORM storage devices supported, including Huawei OceanProtect X series.
Recovery Plan
- Supports creation of recovery plans that automatically restore databases to disk on a schedule.
- Supported for MySQL instance/database, DM, Oracle, and PostgreSQL.
- Supports recovery schedule by day/week/month/specific date.
- Can select latest full/non-full recovery point for one-time or recurring jobs.
- Recovery plans are also supported for GoldenDB.
3 Compatibility List
| Agent Type | Compatible Versions |
|---|---|
| Agent - FileSystem | Linux - ext3, ext4, xfs (only supported distributions) Windows - NTFS, FAT, exFAT (Server 2019 and above) |
| Agent - MySQL | 8.x or higher; Supports logical backup for 5.7.x, including backup and restore via MySQLDump. |
| Agent - PostgreSQL | 12.x or higher |
| Agent - KingBase | 9.x |
| Agent - HighGo DB | 4.x or higher |
| Agent - DM (Dameng) | 8.x |
| Agent - Oracle | 19c or higher |
| Agent - KingWow | 3.3.x or higher |
| Agent - Halo | 14.x or higher |
| Agent - MS SQL Server | 2019 or higher |
| Agent - GoldenDB | 6.1.02.08 or higher |
| Agent - VMware | vSphere 6.5, 6.7, 7.x, 8.x |
| Agent - OpenStack | Q Version or higher |
| Agent - Huawei HCS | 8.1.x, 8.3.x |
| Agent - SmartX | 6.x or higher |
| Agent - InCloud | 3.5.2 or higher |
| Agent - SANGFOR CLOUD | 6.10.x or higher |
Note: For newly released official versions, field certification is required.
4 Supported Systems and Platforms
MetaServer (UniSpace 3.1.0):
| Operating System | Version | Architecture |
|---|---|---|
| CentOS | 7.x | x86_64 |
| Kylin Linux Advanced Server | V10 | x86_64 |
| NeoKylin Linux Advanced Server | V7 | x86_64 |
| RHEL/Oracle Linux | 8.x | x86_64 |
| Kylin Linux Advanced Server | V10 | aarch64 |
| EulerOS | 2.0 | aarch64 |
StorageNode / Client (UniSpace 3.1.0):
| Operating System | Version | Architecture |
|---|---|---|
| CentOS | 7.x | x86_64 |
| Kylin Linux Advanced Server | V10 | x86_64 |
| NeoKylin Linux Advanced Server | V7 | x86_64 |
| CentOS | 7.x | aarch64 |
| Kylin Linux Advanced Server | V10 | aarch64 |
| EulerOS | 2.0 | aarch64 |
| RHEL/Oracle Linux | 8.x | x86_64 |
Supported Systems and Platforms for UniSpace 3.1.0 Access Nodes:
| Operating System | Version | Architecture |
|---|---|---|
| VMware | ||
| CentOS | 7.x | x86_64 |
| Kylin Linux Advanced Server | V10 | x86_64 |
| NeoKylin Linux Advanced Server | V7 | x86_64 |
| OpenStack | ||
| CentOS | 7.x | x86_64 |
| Kylin Linux Advanced Server | V10 | x86_64 |
| NeoKylin Linux Advanced Server | V7 | x86_64 |
| CentOS | 7.x | aarch64 |
| Kylin Linux Advanced Server | V10 | aarch64 |
| EulerOS | 2.0 | aarch64 |
| InCloud (Inspur Cloud) | ||
| CentOS | 7.x | x86_64 |
| Kylin Linux Advanced Server | V10 | x86_64 |
| NeoKylin Linux Advanced Server | V7 | x86_64 |
| CentOS | 7.x | aarch64 |
| Kylin Linux Advanced Server | V10 | aarch64 |
| EulerOS | 2.0 | aarch64 |
| HCS 8.1.x / 8.3.x | ||
| CentOS | 7.x | x86_64 |
| Kylin Linux Advanced Server | V10 | x86_64 |
| NeoKylin Linux Advanced Server | V7 | x86_64 |
| CentOS | 7.x | aarch64 |
| Kylin Linux Advanced Server | V10 | aarch64 |
| EulerOS | 2.0 | aarch64 |
| SmartX | ||
| CentOS | 7.x | x86_64 |
| Kylin Linux Advanced Server | V10 | x86_64 |
| NeoKylin Linux Advanced Server | V7 | x86_64 |
| CentOS | 7.x | aarch64 |
| Kylin Linux Advanced Server | V10 | aarch64 |
| EulerOS | 2.0 | aarch64 |
| SANGFOR CLOUD | ||
| CentOS | 7.x | x86_64 |
| Kylin Linux Advanced Server | V10 | x86_64 |
| NeoKylin Linux Advanced Server | V7 | x86_64 |
| CentOS | 7.x | aarch64 |
| Kylin Linux Advanced Server | V10 | aarch64 |
| EulerOS | 2.0 | aarch64 |
Supported Virtualization Platforms in UniSpace 3.1.0:
| Platform | Version | Notes |
|---|---|---|
| VMware | 6.5, 6.7, 7.x, 8.x | |
| OpenStack | Validated with Q-V version; other versions require on-site certification | |
| SmartX | 6.x | |
| HCS (Huawei Cloud) | 8.1.x, 8.3.x | |
| InCloud (Inspur Cloud) | ||
| SANGFOR CLOUD | 6.x |
Contact Information
For more information and support regarding UniSpace 3.1.0, please contact the Yuanshuo customer service team at: (support@yuanshuotech.com).
Legal Notice and Licensing
This software product is protected by copyright. Unauthorized reproduction, distribution, modification, or redistribution is prohibited. The software is licensed under a usage license agreement (license type). Users must comply with the terms and conditions of the license agreement, including but not limited to the rights and requirements for use, distribution, modification, and redistribution.
This software and its Release Notes are subject to applicable laws. Users agree to be subject to the jurisdiction of the competent court and comply with all applicable legal and regulatory requirements.
Feature Comparison Table
| Feature | 2.2.x | 2.3.x | 2.6.x | 3.0.x | 3.1.x |
|---|---|---|---|---|---|
| File System (Linux) | Supported | Supported | Supported | Supported | |
| File System (Windows) | Not Supported | Not Supported | Not Supported | Supported | |
| MySQL Database | Supported | Supported | Supported | Supported | |
| MS SQL Server Database | Not Supported | Not Supported | Not Supported | Supported | |
| PostgreSQL (Standalone) | Supported | Supported | Supported | Supported | |
| PostgreSQL (Master-Slave) | Not Supported | Not Supported | Not Supported | Supported | |
| KingBase (KingbaseES) | Not Supported | Not Supported | Not Supported | Supported | |
| HighGo DB | Not Supported | Not Supported | Not Supported | Supported | |
| DM (Dameng) Standalone | Supported | Supported | Supported | Supported | |
| DM Cluster (Master-Slave, RW Split, DSC) | Not Supported | Not Supported | Supported | Supported | |
| Oracle (Standalone) | Not Supported | Supported | Supported | Supported | |
| Oracle RAC | Not Supported | Not Supported | Supported | Supported | |
| KingWow | Not Supported | Supported | Supported | Supported | |
| Halo Database | Not Supported | Not Supported | Supported | Supported | |
| GoldenDB (Centralized) | Not Supported | Supported | Supported | Supported | |
| GoldenDB (Distributed) | Not Supported | Not Supported | Supported | Supported | |
| VMware | Supported | Supported | Supported | Supported | |
| OpenStack | Not Supported | Supported | Supported | Supported | |
| Huawei Cloud HCS 8.1.x | Not Supported | Supported | Supported | Supported | |
| Huawei Cloud HCS 8.3.x | Not Supported | Not Supported | Not Supported | Supported | |
| SmartX | Not Supported | Not Supported | Supported | Supported | |
| InCloud (Inspur Cloud) | Not Supported | Not Supported | Supported | Supported | |
| SANGFOR CLOUD | Not Supported | Not Supported | Not Supported | Supported | |
| NAS | Supported | Supported | Supported | Supported | |
| Object Storage | Supported | Supported | Supported | Supported | |
| Blu-ray Storage | Supported | Supported | Supported | Supported | |
| StorNext | Not Supported | Not Supported | Not Supported | Supported | |
| WORM Storage | Not Supported | Not Supported | Not Supported | Supported | |
| Recovery Plan | Not Supported | Not Supported | Supported | Supported | |
| Integrated Platform | Not Supported | Supported | Supported | Supported | |
| Sansec Encryption Integration | Not Supported | Not Supported | Supported | Supported |
Previous
3.2 Release Notes
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3.0 Release Notes
Last modified: 2026-03-29
- Meta Server Installation and Deployment
- Client Installation and Deployment-Linux
- Client Installation and Deployment-Windows
- Storage Pool Configuration
- Service Plan Configuration
- SANSEC Encryption Configuration
- Replication Policy Configuration
- Server or Client Upgrade
- Update License
- Requirements and Configuration of Storage Nodes
- Client Push Upgrade
- Resource Groups
- Meta Server Uninstallation
- Client Uninstallation
- Changing Node Port Numbers
- Changing the Port Number for Meta Server or Client
- Changing the Log Level
- Troubleshooting MySQL Full-Instance Backup Failures
- Prerequisites for Index Backups
- Installing Dependencies for Virtual File Recovery on Storage Nodes
- Troubleshooting Failed Jobs
- Fixing MariaDB Installation Issues on Meta Server
- PostgreSQL Issues and Solutions
- Operation Audit
- Restore by Job
- Installing Dependency Packages on Access Nodes for Virtualized File Recovery
- License Application Process
- KingWow Database Recovery Exception
- OpenStack Ceph Mode Backup Configuration Guide
- Client Server Status
- Best Practices for Migrating Historical Backup Data to UniSpace
- China Electronics Standardization Institute (CESI)
- KylinSoft Co., Ltd.
- NeoKylin Software Co., Ltd.
- Beijing E-Hualu Information Technology Co., Ltd.
- Wuhan Dameng Database Co., Ltd.
- GoldenDB Technologies Co., Ltd.
- Beijing SmartX Technology Co., Ltd.
- CETC Kingbase (Beijing) Technology Co., Ltd.
- Ziranyuanshu(Beijing) Tech Co.,Ltd.
- UnionTech Software Technology Co., Ltd.