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QSM 3.2

A Faster and More Reliable QSAN Storage Management System

The Most Reliable Enterprise Storage Solution

QSAN Storage Manager QSM is a NAS operation system specially designed for QSAN XCubeNAS series. The core of QSM is Linux kernel and in-house fine-tuning 128-bit ZFS. The ZFS has high scalability and can be managed easily, also with the ability to maintain the data integrity. QSM not only inherits the amazing native features of ZFS, its powerful storage features ensure persistent, reliable storage management, protection against data corruption, seamless capacity expansion, several data integrity mechanisms, pool and disk encryption protection, unlimited snapshots, and unlimited clones.

All New QSM

Faster and More Reliable QSM

QSAN always pays attention to storage device users and continues to improve its performance and efficiency. The new version of QSM makes XCubeNAS more trustworthy.


Gets the work done quickly. Comprehensive improvement in reliability.

More Reliable

Guarantee the system performance and reliable service under heavy workload.

Familiar Management

Your storage, your instruction. Standardizedmanagement interface lets you manage the storage in your familiar way.

Accurate System Resource Control

Utilize Your Resources Even Better


QSM 3.2 better utilizes the system resource and significantly lower memory usage under the same workload. Guarantees consistent performance and stability even under heavy workload.

Amazing Improvement

Faster Large File Handling Speed

QSM 3.2 enhanced the algorithm for large file handling and significantly improve the performance on high-end system. Deleting a large file is 300% faster now.

Stunning Performance

Faster Backup and Synchronization Speed

QSM 3.2 greatly improves Rsync and XMirror transmission speed.​ Data synchronization speed is 150% faster. With a refined software design, QSM 3.2 completes file synchronization in a shorter period of time for massive number of files or large size files.​

RESTful API Support

Your Storage, Your Call

QSM 3.2 provide the standard RESTFUL API. XCubeNAS can be deployed into the IT management system using RESTFUL API and let IT managers continuous use the existing management tool, even the first-time user can finish the management job confidently, which considerably reduce the learning cost for organizations.

Download RESTful API software manual >

The New RAID Z3

The Most Safety RAID Level

  • Ultralize system reliabilty for giant storage
  • 1.5x safety than RAID 6
The mission of QSM was to simplify storage and to construct an enterprise level of quality from storage components by building smarter software indeed that notion is at the heart of the ZFS (Zettabyte File System). The most important part of enterprise storage device is RAID (Redundant Array of Independent Disks). RAIDZ is a data and parity scheme like traditional RAID, but it uses dynamic strip width. Every block is its RAID-Z stripe regardless of block size which means every RAIDZ write is a full stripe write. At the same time, RAIDZ combines with COW (Copy on Write) transactional semantics of ZFS and eliminates the RAID write hole. Nowadays, the time to populate a drive is straight significant for RAID rebuild. As disks in RAID systems take longer to reconstruct, the reliability of the total system decreases due to the increased period running in a degraded state.As hard drive capacities continue to outpace their throughput, the time comes for a new level of the RAID Triple Party RAID and Beyond. Today, to repair a RAID group can easily take more than a day and the problems are getting significantly more pronounced as HDD continue to outpace its throughput. Ave. 0.8 percent of disk failures would result in data loss to an uncorrectable bit error. Therefore, the time to repair a failed drives are increasing, and at the same time, the lengthening duration of a scrub means that errors are more likely to be encountered during repair. With RAIDZ2 (similar to RADI-6) increasingly unable to meet reliability requirements, there is an impending but yet urgent for Triple parity RAID. The data reliability on RAIDZ3 is 5X safer than RAIDZ2 and 30X safer than RAIDZ1(similar to RAID-5)

Snapshot Replication

Powerful Centralized Data Management

Speedy Multi-protection and flexible replications for different structures.

Snapshot replication delivers powerful data management capabilities and is a cost-effective, easy-to-use centralized replication solution across different locations. With high speeds over LAN or WAN, you get high data availability and fast data replication for your business-critical data. Replication provides the storage backup competences by sending changed pieces over the network, which stimulate data transfers and minimize data transmission time. To recover from mirrored data corruption or data loss, it also eliminated the need for a separate infrastructure for maintaining backups at the DR site.


Flexible Protection

Snapshots record the status of Shared folders and iSCSI LUNs as changes happened on write. With ZFS snapshots, its read-only, point to time copy of a file system. By the instantaneous creations, administrators can easily take control data version and execute point-in-time recovery on XCubeNAS by flexibly restored methods. ZFS snapshots are ideal for storing many private copies of mostly shared data.

One-way Sync

1-way (unidirectional): data modification of the local NAS will be synchronized to the remote, but any data modification of remote NAS will not be reflected.

Two-way Sync

2-way (bi-directional): any data modification of a NAS will be synchronized to the others.

Multi Nodes Sync

Support multi devices real time data synchronization.

XMirror is one of the functions of QSM. It regularly synchronizes a volume or the contents of a folder between multiple XCubeNAS devices, any modification to documents will be replicated to other XCubeNAS via QSM. By using XMirror, data on different XCubeNAS systems, data consistency and availability is ensured. XMirror supports Volume and Folder mirror and up to 64 versions control.

Backup Data to Cloud

Multiple Cloud Services

What if you dont have a remote server or NAS to back up your data to? Never fear!! Cloud backup ensures that you can backup your data to multiple cloud services such as, Amazon S3, HiCloud S3, Alibaba OSS cloud, and S3 compatible services. This yet another way that XCubeNAS helps you to keep your data easy to be managed between Clouds and local devices.

IronWolf Health

XCubeNAS x IronWolf Health Management

Seagate IronWolf Health Management is now available on all XCubeNAS series. With it, XCubeNAS can do more on prevention, intervention, and recovery data. The additional hardware design and embedded health management software helps QSM monitors the environment and recommends preventative action to maximum the data protection for your valuable asset, data.

  • Data disater prevention
  • Advantaged intervention disaster
  • Addition recovery plan
  • Support all models of XCubeNAS
IronWolf Health management monitors all status, such as temperature, shock, vibration, and disk connection unstable which helps the XCubeNAS to complete the data security solutions. The difference compares to S.M.A.R.T., the IronWolf health management provides 10 times more information than S.M.A.R.T.. Before the failure event happened, notify users of possible prevention and intervention action ahead of the time.

High-speed Network Technology

Fibre Channel Introduction

Fibre Channel (FC) is a high-speed network technology providing lossless delivery of raw block data, at a rate of 16Gb/s. It typically runs on optical fiber cables within and between servers, switches, and storage servers, but can also run on copper cabling.

Multipath I/O (MPIO)

Multipath I/O (MPIO) is designed to mitigate the effects of connection failure by providing an alternative data path between servers and storage devices.

High Reliability

It is vital to have a failover and load balancing configuration when deploying virtual storage solution in your IT environment.

Cutting-edge Performance

Base on 64K sequential throughput up to 3120+ MB/s read and 3050+ MB/s write performance of 16Gb Fibre Channel.

Multiple Application

Enhance the Business from Fibre Channel

High Technology Industry

  • High-Performance Storage
  • Server Cluster
  • Low Latency Required Applications
  • Large Database and Data Warehouses
  • Virtualization Storage Application

Government and Education

  • Smart City Backbones
  • City Surveillances Storage
  • Campus Backbones
  • Campus Security
  • Financial Infrastructure


  • TV Station Media Streaming
  • 8K/4K Media Online Editing

QSM Specifications

Operating System
  • 64bit embedded Linux
Unified Storage Server
  • NAS application server (Gigabit/10GbE NIC)
  • iSCSI storage (Gigabit/10GbE NIC)
  • Fibre Channel storage (16Gb)1
  • Direct-attached storage with Thunderbolt 3 (40GbE)2
File Server
  • File sharing across Windows/Mac/Linux/UNIX and centralized management
FTP Server
  • Supports data access from remote location via FTP
  • Bandwidth Control
  • Connection control
  • FTP with SSL/ TLS (explicit) mode
  • FXP supported
  • Passive FTP port range control
Backup Server
  • Snapshot and Replication
  • Block-Level Snapshot and Replication
  • Schedule and manually taking Snapshot
  • Snapshot retention policy
  • Snapshot Single file restore
  • Snapshot lock
  • XMirror (Multi-sites Volume and folder backup and synchronization)
  • Public Cloud backup: Alibaba Cloud OSS, HiCloud S3, Amazon S3 and S3 compatible
  • Public Cloud synchronization: Google Drive, Microsoft OneDrive, Dropbox
  • Time machine Backup server
  • External storage device backup
  • 3rd party backup software support: Acronis True Image, CA BrightStor ARCserveBackup,EMC Retrospect, Symantec Backup Exec,LaCie Silverkeeper
Web Server
  • Built-in phpMyAdmin
SQL Server
  • MariaDB database server
VPN Server
  • Supports OpenVPN, PPTP and IPsec+L2TP
Virtualization Server3
  • Virtual machine import/export
  • Virtual machine backup
  • Virtual machine Snapshot
  • User-based permissions settings
  • Support virtual switch
  • Supports access from IE, Safari, Firefox,Chrome
  • Windows, Linux, UNIX and Android
Operating System
  • Linux-embedded system
  • IPv4, IPv6 and DDNS domain name registration (QSAN Cloud)
  • Auto port forwarding
  • VLAN
  • Link aggregation (support 11 bonding modes)
  • Multi-IP settings
  • Gigabit Jumbo Frame
File System
  • ZFS file system
  • EXT2 (Virtual Volume)
  • EXT3 (Virtual Volume)
  • EXT4 (Virtual Volume)
  • FAT (Virtual Volume)
  • NTFS (Virtual Volume)
  • HFS (Virtual Volume)
Supported Operating Systems
  • Windows
  • Mac OS X
  • Linux (2.6 or later) and UNIX
Storage Management
  • Single disk, RAID 0, 1, 5, 6, Z3, 10, 50, 60 and JBOD4
  • Global and Dedicated spare disk
  • Disk management
  • Disk S.M.A.R.T check
  • Instant RAID
  • RAID Fast Rebuild
  • Pool application mode: General, Media Streaming, and Database
  • Multi-pool and volume management
  • Storage capacity management
  • Pool and Volume thread hole notification
  • Online Pool expansion and migration
  • Online volume expansion
  • Build in iSCSI initiator and Target
  • Virtual Volume
  • Auto-Tiering
  • External storage device management
  • Pool Encryption
  • Support Disk cache
  • Data Scrubbing
  • Virtual Volume
  • SSD Read and Write cache
  • Deduplication (volume and LUN)5
  • Snapshot (folder and LUN)
  • Compression (volume and LUN)
  • Thin Provision for LUN
  • Self-encryption Drive (SED) pool level protection
User Management
  • Local / domain user and group management
  • Local / domain application privilege
  • User quota for local and domain user
  • Home folder
  • Windows AD and LDAP support
  • Trust domain and support up to 200,000 domain user
Folder Management
  • Advanced ACL
  • Windows ACL
  • Hide shared folder on Windows network
  • Unicode support
  • WORM (Write Once Read Many protection)
  • Folder usage threshold notification
  • Folder quota
System Tool
  • NTP time settings
  • Notification: Email alert (SMTP authentication), syslog, and SNMP
  • System firmware update
  • Back up, restore, reset system settings
  • Import system configuration
  • Antivirus
  • Smart fan
  • IP access control
  • Policy-based unauthorized IP blocking
  • Secure remote login by SSH connection
  • Connection list management
  • SNMP UPS support
  • Network recycle bin
  • Import SSL certificate
  • Real-time Resource (CPU, Memory, Storage, Pool, Process)/ HardwaService/ Network resource monitor
Power Management
  • HDD Hibernation
  • Power schedule
  • Wake on LAN
  • UPS settings
  • Recover from power outage
System Optimization Settings
  • Service binding
  • User application mode
  • SSD Trim
  • System log
  • System connection and data transfer log
Multilingual Support
  • Chinese (Traditional & Simplified), English, French, German, Italian, Japanese, Korean, Russian, Polish
File Manager
  • File preview
  • Embedded file player
  • Filter
  • Mount Cloud (Google Drive, OneDrive, Dropbox)
  • ISO image mount
  • CIFS, FTP, SFTP and WebDAV client
  • Share link
  • Team folder sharing
  • Publish to facebook, twitter, weibo
  • Media library
  • Media streaming
  • Online doc preview and editing
  • Transcoding (online/offline), compression
  • Data service: CIFS, AFP, NFS, FTP, WebDAV
  • Backup service: Rsync
  • Discover service: Bonjour
  • Windows: Hyper-V, storage space
  • VMware: VMware 6.7 ready, VAAI, SRM
  • Citrix: Citrix 7.0 ready
Multi-Browser Support
  • Internet Explorer
  • Safari
  • Firefox
  • Google Chrome
  • XFinder
  • Web Finder
Mobile App
  • Xccess (iOS, Android)
  • Fibre Channel storage is only applicable to: XN7016R, XN7024R, XN8016R, XN8024R
  • Thunderbolt 3 solution is only applicable to: XN5004R, XN5008R, XN5012R, XN7004R, XN7008R, XN7012R, XN8008R, XN8012R, XN5004T, XN5008T, XN7004T, XN7008T, XN8004T, XN8008T
  • Virtualization Server is only applicable to: XN5004R, XN5008R, XN5012R, XN7004R, XN7008R, XN7012R, XN8008R, XN8012R, XN5004T, XN5008T, XN7004T, XN7008T, XN8004T, XN8008T
  • For XN3002T: Single disk, RAID 0, 1, 5, 6
    For XN3004T, XN5004T, XN8004T: Single disk, RAID 0, 1, 5, 6, Z3, 10 and JBOD
    For XN5008T, XN7008T, XN8008T: Single disk, RAID 0, 1, 5, 6, Z3, 10, 50, 60 and JBOD
    For XN5004R, XN5008R, XN5012R, XN7004R, XN7008R, XN7012R, XN7016R, XN7024R, XN8008R, XN8012R, XN8016R, XN8024R: Single disk, RAID 0, 1, 5, 6, Z3, 10, 50, 60 and JBOD
  • Deduplication is NOT applicable to XN3002T, XN3004T, XN3004R​