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D-Link xStack StorageDSN-4000
0 L.E.
D-Link xStack StorageDSN-4000 iSCSI SAN Expansion Array
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Product Highlights
  • iSCSI for IP Networks
  • Host Interface
  • Expansion Options
  • System-on-a-Chip Implementation
  • RAID Support
  • Embedded Centralized Storage Management
  • Advanced Management Features
  • Expansion Array for DSN-4100 & DSN-4200
  • 16 Hot-Swap SAS/SATA Hard Drive Bays
  • 450 W Dual Redundant Power Supply














  • Description

    D-Link's DSN-4000 series iSCSI SAN arrays provide a mid-range network storage solution in a 3U rackmount form factor, ideal for small and medium sized enterprises.

    The heart of the DSN-4000 series (DSN-4100/DSN-4200) is a powerful 10Gbit iSCSI System-on-a-Chip (SoC) capable of handling over 80,000 I/OS per second. The DSN-4000 series supports 48TB of raw capacity using 3TB SAS drives and can be easily implemented as a supplemental backup platform for quick restores, as secondary online storage, or as bandwidth-demanding primary storage for security surveillance and A/V applications.


    Features
    Drive Bays16
    Interface SupportedSAS/SATA
    Storage Capacity32 TB capacity with 2 TB hard drives
    iSCSI Network Interface
    InterfaceDual SAS expansion ports
    Power
    Supply TypeDual redundant hot-swappable 450 W
    Input Voltage90 to 264 V AC
    Input Frequency47 to 63 Hz
    Input Current7 to 8 A (100 V ); 3.5 to 4 A (240 V )
    Power Factor CorrectionPFC 80PLUS
    Environmental
    Operating Temperature41 to 104F (5 to 40C)
    Storage Temperature-4 to 140F (-20 to 60C)
    Relative Humidity10 to 80% non-condensing
    International Approvals
    EmissionsCE, FCC Class B, VCCI, BSMI, CB, KCC, C-Tick, TUV
    SafetyUL/cUL
    RoHS ComplianceYes
    Support1 year (9 hours per day/5 days per week technical support)
    Physical
    Form Factor3U industry standard 19" (48.26 cm) rack
    Dimensions (W x D x H)17.6 x 18.5 x 5.1" (446 x 471 x 131 mm)
    Weight33 lb (15 kg)


    overview

    The xStack Storage DSN-4000 iSCSI SAN Expansion Array from D-Link is used as an expansion array for DSN-4100 & DSN-4200. It provides a mid-range network storage solution in a 3U rackmount form factor that is ideal for small and medium sized enterprises. It has a powerful 10Gbit iSCSI System-on-a-Chip (SoC) capable of handling over 80,000 I/OS per second. This array supports 32TB of raw capacity using 2TB drives. It can be easily implemented as a supplemental backup platform for quick restores, as secondary online storage or as bandwidth-demanding primary storage for security surveillance and A/V applications.

    iSCSI for IP Networks
    The Storage Area Networks (SANs) have traditionally been reserved for complex Fibre Channel networks. The recent introduction of iSCSI has extended the powerful centralized storage capabilities of SAN technology to IP networks. By utilizing existing Ethernet technology, the costs associated with Fibre Channel switching, separate host bus adapters, expensive storage subsystems and administration is significantly reduced. The iSCSI SANs leverage the Ethernet infrastructure and standards that are already familiar to most IT personnel.
    Host Interface
    The DSN-4000 iSCSI SAN Array supports Multi-path I/O (MPIO), Multiple Connections per Session (MCS) and Link Aggregation Groups (LAG) for unmatched network flexibility, performance and resiliency. This allows their 1GbE data ports to be grouped together for full line speeds of up to 850 Mbps bandwidth.
    Expansion Options
    With the addition of up to fourDSN-4000 expansion arrays you can scale DSN-4100 and DSN-4200 iSCSI SAN Array's raw storage capacity to a total of 160 TB using 2 TB drives.
    System-on-a-Chip (SoC) Implementation
    The DSN-4000 iSCSI SAN Array combines both networking and storage functions into a single specialized Application Specific Integrated Circuit (ASIC), by utilizing a SoC design. This SoC combines 10Gbps iSCSI, TCP and IP offload, 12 embedded processors and storage virtualization firmware onto a single chip. The tight integration of these functions eliminates interoperability, timing and support issues found in competitive products that offer a "discrete implementation" wherein various components are selected separately, then assembled.
    RAID Support
    The iSCSI SAN Array supports RAID level 0, 1, 1+0 and 5 configurations (striped sets, mirrored sets, striped mirrored sets and parity sets) for data protection and performance.
    Embedded Centralized Storage Management
    The embedded, user-friendly IP-SAN Device Manager (IDM) provides a comprehensive console for system management. This suite of utilities allows monitoring and control of the SAN array via the Storage Management Initiative-Specification (SMI-S) command set that boasts a rich set of management features. With a secure server, users can remotely configure and monitor their SAN arrays over the Internet.
    Advanced Management Features
    The DSN-4000 iSCSI SAN Array also provides an advanced set of features for efficient management and optimal storage performance. For the fastest RAID performance offered in the industry, D-Link's adaptive cache management provides write coalescing and multi-stream read-ahead on a volume basis, optimizing cache utilization and performance in an application dependent manner. Volatile cache data protection is afforded via an on-board battery supporting 2GB of cache memory for a minimum of 72 hours. A write-back or write-through cache memory policy can be selected manually or automatically, depending on the status of the battery's charge.

    The DSN-4000 supports jumbo frames and VLAN tagging to segregate traffic into isolated zones for secure access that improves network throughput and reduces CPU overhead. D-Link's volume virtualization technology utilizes the concept of storage extents, which are the fundamental building blocks used to enable features such as RAID, online capacity expansion, volume reconfiguration and migration. Each disk drive can contain multiple and divergent RAID configurations instead of requiring dedication to a single RAID set. This technology allows for the support of mixed disk drive capacities for volume creation. Volume capacity expansion, volume reconfiguration and RAID level migration are performed online with minimal impact to users. Users can quickly deploy a SAN using inexpensive SAS or SATA disk drives and simply add more drives as needed.

    An iSCSI SAN Array can prove to be a valuable tool to supplement a network storage foundation. Whether providing a low-cost block-based solution for data backup and recovery, replacement of Direct Attached Storage (DAS) that provides secondary online storage or providing up to 850 Mbps bandwidth for security surveillance and video post-production applications, the DSN-4000 iSCSI SAN Array may provide the performance and functionality needed.

    It is an expansion array for DSN-4100 and DSN-4200 primary arrays.
    The iSCSI SAN Array features 16 hot-swap SAS/SATA hard drive bays.
    Drive roaming is supported in power off.
    It supplies 450 W dual redundant power.
    It has industry standard 3U 19" (48.26 cm) chassis.