ZTE CSS2000 Cloud Storage Introduction

  • 1.Product Introduction
    ZTE CSS2000 Cloud Storage is an independently-developed massive non-structured data storage product that can economically and efficiently store and manage massive file data. It is applicable to scenarios requiring big capacity, high throughput, and high reliability.
    The cloud storage architecture of the ZTE CSS2000 consists of the hardware resource layer, cloud storage software layer, and service application layer. The hardware resource layer contains hardware resources on the basis of which the cloud storage is deployed. It uses the X86 servers. The cloud storage software layer contains software resources used by the system. Through software virtualization, it virtualizes the massive physical storage space on servers into a unified storage resource pool and provides the external with standard storage interfaces, including NFS, CIFS, POSIX, and FTP. The service application layer contains service applications provided according to the application scenarios.  

    2.Product Architecture

    3.Highlighted Features
    (1)Use the total distributed architecture so that the system has no single-node fault and the breakdown of any device cannot affect the service.  
    (2)Support the file duplication, RAID cross-node redundancy strategy so that the data is not lost and read/write is not interrupted in the case that multiple hard disks or servers break down.  
    (3)Support the cold/hot tiered storage by storing the frequently-requested data into the high-performance SSD hard disks and cold data into the low cost big capacity SATA hard disks to promote the hot data access performance.   
    (4)Support the dynamic scaling by adding nodes online to expand the storage capacity and CPU processing capability without service interruption. Both the storage capacity and system throughput can increase in a linear mode.  
    (5)Use a globally single name space to ensure that each storage service node has the same data storage capability and system management capability.  
    (6)High availability. When a single machine breaks down, the service on it can be automatically taken over by other nodes so that the service of the whole system is not affected.    
    (7)Support the storage domain deployment across the data center, realize remote backup disaster recovery, and then ensure system reliability to avoid the problem that the whole system cannot provide services upon power-off of the equipment room, and main network fault or disaster.  

    (8)Support security protection functions such as enterprise-class multi-level security protection and anti-DDoS attack.
    (9)Support one-click automatic batch installation, upgrade, and inspection to significantly shorten the installation, upgrade, or inspection period and improve system maintainability.  

    4.Technical Specifications 



    Storage and metadata node

    X86 universal storage server

    Supported interface protocol


    Disk specification  

    2.5/3.5-inch SATA/SAS/SSD disk  

    Recommended number of disk slots on a single node


    Maximum number of domains

    128 for a name space

    Scale of a single domain

    4 billion files, capacity of over10PB  

    System scale

    Hundreds of billions of files, capacity of over 100PB

    Number of the minimum nodes of a commercial office


    Number of the maximum storage nodes supported by a single domain


    Number of the maximum storage nodes supported by the system


    Maximum number of copies


    Network RAID N+M ratio

    Adjustable. Recommend 6+2, 8+2, 9+3, and 10+2

    System bandwidth performance

    > 6GB/s (valid capacity per PB)

    System OPS

    > 70,000 (valid capacity per PB)

    Mean response time to the 4KB file under the maximum 80% OPS pressure


    5.Application Scenarios 
    The ZTE CSS2000 cloud storage is mainly used for the fields such as IPTV, new broadcast & TV media, storage resource pool, health, finance, cloud disk, and cloud backup. 

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