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Hitachi Virtual Storage Platform F800 hardware overview

The Hitachi Virtual Storage Platform F800 is a modular, rack-mountable all-flash array storage system, with various fixed storage capacity configurations of FMD DC2 flash storage devices. To deliver consistent low latency host response times and highest IOP performance across all host connection ports, hard-disk drives are supported in an all-flash configuration.

The storage system contain dual controllers, each controller contains its own processor, dual in-line cache memory modules (DIMMs), cache flash memory (CFM), battery, fans and iSCSI and Fibre Channel I/O modules. Each controller also has an Ethernet connection for out-of-band management. If the data path through one controller fails, all data drives remain available to data hosts using a redundant data path through the other controller.

The storage system can be equipped with embedded network-attached storage (NAS) modules. The NAS modules provide file access through CIFS and NFS protocols and block access by using iSCSI protocols.

All storage system models allow defective drives to be replaced without the interruption of data availability to hosts. A hot spare drive can be configured to replace a failed drive automatically, securing the fault-tolerant integrity of the logical drives. Self-contained, hardware-based RAID logical drives provide maximum performance in compact external enclosures.

Essential hardware components are implemented with a redundant configuration so that the storage system can remain operational if a component fails. Adding and replacing components, along with firmware upgrades, can be conducted while the storage system is active.

Block configuration

A storage system configured for block-level storage provides the ability to access and provision raw storage volumes using protocols such as Fibre Channel and iSCSI.

A block configuration consists of the following:

  • Two controllers
  • One or more drive trays
  • Optional service processor (SVP)

    Unified configuration

    A unified configuration includes embedded NAS modules that support file system protocols such as CIFS and NFS and operate across a block-level setup using iSCSI or FC connections.

    • Two controllers
    • Two NAS modules for file operations and storage
    • One or more drive trays for block-level storage
    • One 1U block service processor server (SVP)

    VSP F800 model

    The VSP F800 is a highly reliable all-flash system that offers high storage capacity with full redundancy to better protect data and manage storage operations.

    The storage system consists of a 4U enclosure that includes two controllers. Drives are supported using drive trays connected to the controllers.

    Controller

    Controller chassis

    Controller model

    Height

    CBLH DW800-CBL DW‑F800‑CTLH 4U (174.3 mm)

    Drive tray

    Drive tray model name

    Supported drive type

    Number of drives supported

    Height

    FMD tray DW-F800-DBF 5.25-inch FMD 12 2U (86.2 mm)
    SFF drive tray
    • DW-F800-DBS (power supply, contains BNST)
    • DW-F800-DBSC
    2.5-inch SFF 24 2U (86.2 mm)

    High-speed cache memory

    The storage system supports 512 GB of high-speed cache memory. The DIMMs are arranged as 128 GB per controller.

    Flash module drives (FMD)

    The VSP F800 storage system supports the listed FMD capacities.

    Model number

    Drive type

    Drive capacity

    DKC-F810I-1R6FN

    FMD DC2

    1.6 TiB
    DKC-F810I-3R2FN

    FMD DC2

    3.2 TiB
    DKC-F810I-6R4FN

    FMD DC2

    6.4 TiB
    DKC-F810I-7R0FP

    FMD HD

    7 TB
    DKC-F810I-14RFP

    FMD HD

    14 TB

    Solid-state drives

    The VSP F800 storage system supports the listed SSD capacities.

    Model number

    Drive type

    Drive capacity

    DKC-F810I-1R9MGM

    SSD

    1.9 TB
    DKC-F810I-3R8MGM

    SSD

    3.8 TB
    DKC-F810I-7R6MGM

    SSD

    7.6 TB

    Interface ports

    Interface ports for attachment to hosts are provided on the front-end modules. The system supports 24 front-end modules.

    Model number

    Description

    Maximum number of ports supported
    DW-F800-2HS10S 10-Gbps iSCSI (optical) front-end module 24
    DW-F800-2HS10B 10-Gbps iSCSI (copper) front-end module 24
    DW-F800-4HF8 8-Gbps Fibre Channel (4-port) front-end module 48
    DW-F800-2HF16 16-Gbps Fibre Channel (2-port) front-end module 24
    DW-F800-4HF32R 32/16-Gbps Fibre Channel (4-port) front-end module 48

    Features

    The features described in the table are included with VSP F800

    Feature

    Value

    Maximum cache memory supported 512 GB
    Maximum number of spare drives 64

    Maximum number of RAID groups

    480

    Maximum volume size

    3 TB (4 TB when using the LDEVs of other Storage Systems)

    Maximum number of volumes per host groups

    2,048

    Maximum number of volumes per RAID group

    2,048

    Maximum number of DP pool volumes

    4,096

    Maximum number of DP pools

    64

    Maximum number of iSCSI hosts connected through a network switch

    255

    Maximum number of Fibre Channel devices connected through a Fibre Channel switch

    255

    Maximum storage system capacity (physical capacity)

    Using 7.6 TB SSD

    8,711 TB

    Using 14 TB FMD

    8,106 TB

    Scalability

    All storage systems offer pay-as-you-grow scalability by allowing you to hot-add drives as you need them.

    Examples of supported VSP F800 configurations

    The following table lists the maximum number of drive trays and drives supported in a system configuration. A diskless configuration does not include any drive trays.

    Drive tray

    Maximum number of drive trays supported

    Maximum number of drives supported

    SFF drive tray 48 1152 SSDs
    FMD drive tray 48 576 HAF flash module drives

    Maximum number of mounted drive trays

    The following table lists the maximum number of mountable drive trays and mountable drives for each drive type.

    NoteIf a drive is inserted into a slot of a dense intermix drive tray when the installed number of drives exceeds 240 slots per path, the drive is blocked.

    VSP F800 controller

    Drive trays

    Maximum number of trays

    Maximum number of drives

    CBLH

    FMD

    48

    576 FMDs (HAF)

    FMD

    4

    40 FMDs + 2 spares (DC2)

    48 FMDs

    SFF

    48

    1,152 SSDs