The D-Fusion 5000 series is a mid- to high-end product of the aggregate network storage platform launched by Valley Digital for large and medium-sized enterprise data centers. D-Fusion 5000 integrates application data for user services on a unified storage platform, including business application suites, email, databases, web content and multimedia data for industry applications such as enterprise ERP, archiving and backup, and business Continuity, compliance, streaming media on demand, media asset management, film and television production, etc., providing flexible and efficient integrated storage solutions for complex and diverse needs and storage integration of large enterprises。
        D-Fusion 5000 series products include: D-Fusion 5300, D-Fusion 5600。

Unified storage architecture
        The D-Fusion 5000 unified storage system consists of two high-performance storage controllers that form a highly available cluster storage system that supports NAS, IP SAN, and even FC SAN storage networks, and a fully redundant modular architecture.；
        D-Fusion 5000 storage controllers can provide GigE, 10GigE, Infiniband, FC and other host interfaces. Ethernet interfaces support link aggregation.(LACP Trunking)。The D-Fusion 5000 unified storage system provides optimized CIFS, NFS v2/v3/v4, FTP and HTTP access modes, and supports a mix of Linux, Unix, Windows, Solaris, IBM AIX and other operating systems in a TCP/IP network. Shared access to the environment；
       The D-Fusion 5000 unified storage system supports solid state drives (SSDs), FC disks, SAS disks, or SATA disks, supporting the mixing of different types of disks in a single system, while supporting hot swapping of disks.。

 International leading performance
        The D-Fusion 5000 single-controller system delivers 8GB/s of consistently stable bandwidth and delivers over 480,000 OPS (operating operations per second) to meet the high-bandwidth performance requirements of high-performance business environments. Demanding OPS requirements for large number of small file processing；
        The D-Fusion 5000 unified storage system can meet the high bandwidth requirements of large file services, and can provide frequent reading and writing and request for large files and databases, and can easily open and access large directories containing more than 5 million files.。

Excellent expansionperformance
       D-Fusion 5000 system capacity can reach 10PB ，Capacity expansion can be performed online, and only need to access more fiber expansion disk cabinets in real time without affecting existing business operations.

High security and reliability性
        The reliability of the D-Fusion 5000 unified storage system exceeds 99.999%, which means that the annual downtime (including planned downtime) is less than 3 minutes. It provides high reliability from all aspects of hardware, system and architecture. Measure。
Hardware layer
        All hardware components of the D-Fusion 5000 unified storage system, including controllers, power supplies, fans, and network connections, are redundantly designed.。
        The D-Fusion 5000 unified storage system uses real-time data checksum to automatically check and repair possible damaged sectors of the disk to ensure data integrity.。
       The D-Fusion 5000 unified storage system supports the power-down protection technology. When the storage suddenly loses power, the cached data is saved to the hard disk by storing the built-in battery.。
System layer
        The D-Fusion 5000 unified storage system provides RAID 0, 1, 5, 6, 10, 50, 60 and other redundancy modes to support hot spare disks and automatic RAID reconstruction. D-Fusion RAID is created very fast, usually no more than 10 seconds. RAID 6 prevents data loss or corruption in the event of simultaneous damage to both disks. D-Fusion 5000s unique dynamic striping RAID technology can also effectively preventRAID“Write vulnerability”Phenomenon occurs;
        The D-Fusion 5000s PRODIGY-EP file system is very robust, maintains consistency in extreme cases, and automatically recovers quickly when the system is rebooted. The D-Fusion 5000 does not have a separate metadata server. All metadata is managed by the controller and distributed distributed on disk for the same reliability protection as the data. This approach is far more reliable than a separate metadata server, because the latter interrupts the business when the metadata server crashes, and it takes a long time to complete a file system consistency check task like fsck, and more serious because of metadata. Get full recovery and cause some or all of the data to be corrupted or lost。
Architecture layer
        The two controllers of the D-Fusion 5000 are hot standby, and the working mode is Active-Active, that is, all controllers can provide data access at the same time, compared with the traditional active-standby mode (Active-Standby). Significantly improved the performance of data storage. At the same time, if any one fails, the other will automatically and continuously take over the task of the faulty controller and the data managed, and the process is completely transparent to the client. This guarantees 7x24 business continuity.。

Multi-level data protection scheme
        The D-Fusion 5000 unified storage system delivers enterprise-class, advanced data protection solutions through integrated free or licensed software, including：
        CDP：Filesystem-based MagicCDP provides continuous data protection for critical applications, with built-in splitting capabilities to provide wireless recovery points；
        Snapshot: File system-based advanced snapshot MagicShot, local disk backup and fast recovery with less impact on system performance and space；
        Cloning: File system-based copy of instant writable data volume, MagiClone, with minimal impact on system performance and space, saving test and development time；
        Local backup: Provides NDMP protocol with Commvault, Veritas, Bakbone and other backup servers to implement LAN-free centralized incremental backup of data from D-Fusion system to tape library.；
        Remote disaster recovery: MagicMirror performs mirror-based remote disaster recovery and recovery through LAN or WAN;
        Storage Encryption: MagicVault supports high-performance encryption and global key management to protect confidential information even when data is stolen. Real-time encryption ensures that data is secure inside the storage system, even if the disk is lost.

Thin provisioning and space management
        The D-Fusion 5000 storage controller virtualizes all storage space into a shared mass storage pool. As long as there is access, all spatial resources and data can be shared by any front-end computing node or application server. Users do not need to manage any underlying devices separately, such as disks, RAID, or logical volumes (LUNs)；
        The D-Fusion 5000 unified storage system supports the automatic thin provisioning function to dynamically expand the volume size without the need for preset volume capacity, which does not affect system operation and greatly improves space utilization.
       D-Fusion 5000s virtualized unified storage pool technology combined with thin provisioning technology greatly improves space utilization, and effectively avoids copying and copying of data through high-performance data sharing services and space-consuming snapshot and cloning services.
       D-Fusion 5000 provides secure access management under Linux or Windows, as well as capacity quota management at the user, directory, and file volume levels. It supports role-based management and assigns corresponding administrative rights to different managers.；

Hybrid storage and tiered storage management
        Although the D-Fusion 5000 virtualizes all storage space into a shared mass storage pool, you can configure different types of hard disks in the same storage system, including SSD, FC, SAS, and SATA.；
       D-Fusion 5000 can set the migration strategy and the initial location of the data. The migration process is multi-host transparent and requires no downtime.
        The D-Fusion 5000 can support the storage virtualization function, and can take over the storage resources of the third-party through the heterogeneous virtualization technology to form a unified virtual resource pool, and provide data protection, dual-capacity disaster recovery, and data migration services.。
        The D-Fusion 5000 unified storage system can deploy automatic data migration and hierarchical storage management between spatial regions of three or more different disk types. Frequently accessed data is stored in the SSD cache area with near zero latency efficiency. Data with higher access frequency is stored in SAS disk storage with relatively high performance, while data with relatively low access frequency is accessed. Stored in high-throughput, high-capacity, low-cost NL-SAS disk storage. At the same time, client access is always transparent, no matter where the data is stored.。

Humanized and easy to manage
        The installation and deployment of the D-Fusion 5000 is“Plug and play”the way. Simply connect the Gigabit/10 Gigabit interface of the D-Fusion 5000 controller to the core IP switch through a standard network cable, configure a simple IP address, and configure LACP link aggregation. At the same time, connect the FC interface to the expansion disk enclosure. The configuration is simple. LUN, you can start to provide unified sharing of high-performance data services；
        All the computing nodes and client servers on the front end do not need to install any client software. Non-Windows servers only need to do simple NFS mount. Windows servers can share the global space and data of D-Fusion 5000 system by mapping network hard disks through CIFS protocol. Resources. Users do not need to set up and configure any I/O node server and metadata server. The entire installation process takes less than 30 minutes.；
        The D-Fusion 5000 storage system provides a concise GUI graphical management interface and CLI command line interface for local or remote maintenance. Provides a series of enterprise-level management functions such as automatic RAID management, system status real-time monitoring and alarm, remote log, and secure network settings, greatly reducing system management and maintenance burden。
        The D-Fusion 5000 can be connected to mainstream storage devices such as the V5000 and DC4500. It supports out-of-band management. The primary storage supports the monitoring and unified management of the capacity and performance of the D-Fusion 5000.。
        In summary, the companys D-Fusion 5000 series products have high performance, scalability, and reliability compared to similar products in the industry. Meet the demanding workload requirements of environments such as massive data storage and high-performance computing, while providing enterprise-class versatility, improving business operational efficiency and reducing costs。