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    • Expansions for FlashSystem 5600

    The Expansions for IBM 5127-A20 FlashSystem 5600 provide scalable, high-density capacity options to extend the all-flash NVMe storage beyond the base 1U control enclosure. As a compact NVMe-optimized system, the FlashSystem 5600 focuses on internal fifth-generation FlashCore Modules for primary performance, with expansions typically leveraging compatible SAS-based enclosures for additional tiered or hybrid capacity in supported configurations (SAS SSDs or HDDs via 12 Gbps SAS connectivity). These expansions enable greater scalability while maintaining data efficiency, ransomware protection, and AI-driven features through the system's Storage Virtualize software.

    Key Features

    • SAS-based expansion for increased raw and effective capacity.
    • Support for 2U SFF (24-drive), 2U LFF (12-drive), and 5U high-density (92-drive) enclosures.
    • Intermixing of flash SSDs and enterprise HDDs for tiered storage.
    • DRAID (Distributed RAID) support for faster rebuilds and enhanced protection.
    • Hot-swap canisters and drives for high availability.
    • Seamless integration with IBM 5127-A20 control enclosure via SAS chains.
    • Enables scaling to petabyte-level effective capacity with data reduction technologies.

    Available Expansion Options

     
     
    Enclosure Type Form Factor Drive Slots Drive Support Key Benefits
    2U SFF Expansion 2U rack Up to 24 x 2.5-inch SAS SSDs, enterprise HDDs (10K RPM) High performance in compact space, ideal for flash tiering
    2U LFF Expansion 2U rack Up to 12 x 3.5-inch SAS SSDs, nearline HDDs (7.2K RPM) Cost-effective high-capacity storage for less I/O-intensive data
    5U High-Density Expansion 5U rack Up to 92 x 3.5-inch (or 2.5-inch in carriers) SAS SSDs, enterprise/nearline HDDs Maximum density for massive scale-out, up to hundreds of drives per system
     

    Compatibilities These expansion enclosures are compatible with:

    • IBM 5127-A20 FlashSystem 5600 control enclosure (via 12 Gbps SAS ports/adapters in appropriate slots).
    • IBM Storage Virtualize software on FlashSystem 5600 platforms.
    • Protocols: SAS for enclosure attachment; system-level Fibre Channel, iSCSI, FCoE, NVMe-oF for host connectivity.
    • Operating systems and environments: Windows Server, Linux (e.g., Red Hat, SUSE), IBM AIX, VMware vSphere, Microsoft Hyper-V, databases, virtualized workloads, and analytics applications.
    • Note: Confirm specific model support, maximum enclosures per chain/system, and required SAS adapters via IBM documentation for optimal configuration.
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