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  Aberdeen XDAS GX-Series - 3U 16Bay Hybrid Flexible Host 12G DAS

XDAS GX-Series 3U

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SAS 12G Ready

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XDAS GX-Series - Modular Host Design / Native SAS 12G Drive Side

XDAS GX system features dual host boards per controller. The 12Gb/s SAS interface offers a low latency pathway without compromising performance due to delays or bandwidth limits. On XDAS GX systems, 12Gb/s SAS has been implemented for client interfacing and importantly for drives. It features built-in connection scaling, adapting to different capacities and adjusting actual connection bandwidth based on real time loads. Users benefit from a better cost-performance ratio with 12Gb/s SAS, gaining improved return on investment.

Massive performance makes XDAS GX system perfect for media industry

Thanks to optimized design and advanced processing power, XDAS GX systems can easily handle even very intense networked storage demands. They are capable of up to 1.3M IOPS, with a sequential read throughput of up to 11,000MB/s and a sequential write throughput of as much as 4,200MB/s. These are unprecedented performance figures for mid-range storage, and ensure users are prepared to take on IT challenges for years to come without frequent hardware replacement.

Leading performance turns XDAS GX systems into productivity-boosting hubs for multiple 2K resolutions and 4K resolutions streams in media industry, with no slowdown or lag experienced thanks to their ample processing power and storage bandwidth. Strong performance means smooth service to large workforces.

XDAS GX system features dual host boards per controller

Innovative design places two host boards side by side on XDAS GX systems, unlocking higher levels of flexibility and performance. Standard XDAS FX storage systems feature a single host board, the XDAS GX series multiplies connectivity, versatility, and performance with two host boards. It enables different combinations of Fibre Channel (up to 16Gb/s), SAS (up to 12Gb/s), and iSCSI (up to 10Gb/s). Each host board can also support hybrid interfaces, effectively quadrupling connectivity. This groundbreaking feature is very unique for mid-range enterprise storage and offered at extremely competitive pricing.

Wide scalability with support for 12Gb/s JBOD connections

XDAS GX products feature two 12Gb/s SAS ports for connecting to compatible XDAS JBOD expansion enclosures. The 12Gb/s SAS interface doubles connection speeds to JBODs compared to previous generation XDAS FX systems, and having two ports makes connecting multiple enclosures easier and less messy in terms of cabling. Due to the doubled connectivity and high performance of the XDAS GX series, users can have up to 436 drives per system.

Fully optimized for SSD

The storage industry is moving to high speed, reliable, and efficient solid state drives, and the XDAS GX series is future-ready. In addition to hybrid drive trays (2.5"/3.5"), systems support a range of SSD-focused software solutions. Self-managing SSD Cache autonomously allocates the hottest data to a high speed cache pool with up to 16X more read IOPS and 88% lower latency. SSD Cache has no performance penalty. It is complemented by automated storage tiering (up to 4-level), which also sorts data and places it in different tiers based on tenure and access frequency. Tiering leverages the advantages of each drive type: SSD and SAS speed for essential data, NL-SAS and SATA capacity for archived media. To protect investment in SSDs, systems feature intelligent SSD wear level indication with real time health monitoring. Users can keep an eye on drives and pre-empt possible failure, thus avoiding data loss.

Emergency backup power safeguards data

Protecting against data loss due to prolonged power outages, XDAS GX systems include super capacitors paired with a flash module. If power fails, data is written to the flash cache and kept powered by the super capacitors for extended periods of time. Super capacitors require no maintenance and last for the life of the storage system, making them a very convenient and cost effective emergency backup measure.

Comprehensive data and security services

All XDAS GX products support self-encrypting drives, or SEDs, which arrive factory secured against even the most direct physical intrusion. SEDs defend against data theft and misplacement and make deletion much faster than traditional methods, as invalidating the key renders all data on the drive permanently unreadable.

For disaster recovery, the XDAS GX series supports secure remote replication. Local replication is offered via snapshot and volume copy/mirror. Thin provisioning is standard, and all data is covered by smart media scan and IDR (Intelligent Drive Recovery) technology, which detects faulty sectors and quickly clones affected data to prevent loss, even due to silent errors that would go unnoticed by other storage systems. Every feature is easily accessible from the user friendly SANWatch browser-based interface.

Host Port Options
(per controller)
  • Eight 16Gb/s Fibre Channel ports (4 per controller)
  • Eight or sixteen 10Gb/s iSCSi ports/ SFP+ (4 or 8 per controller)
  • Eight 12Gb/s SAS ports (4 per controller)
  • Mix 10Gb/s iSCSi ports/ SFP+ and 16Gb/s Fibre Channel ports
  • Two (2) 1GbE iSCSI ports are already included per controller
    Drive Interface 12Gb/s SAS connectivity
    Accommodates 2.5/3.5-inch HDD
    S.M.A.R.T. support
    Automatic bad-sector reassignment
    Dedicated bandwidth to each connected drive
    Controller DAS-GX32: Dual Redundant (ESDS 4016RTC)
    DAS-GX31: Single (ESDS 4016GTC)
    Form Factor 3U Rackmount
    RAID functionality Global, Dedicated or Enclosure hot-spare
    RAID levels supported: RAID 0, 1 (0+1), 3, 5, 6, 10, 30, 50, 60
    Online expansion by either adding new drives or copying and replacing drives with drives of larger capacity
    RAID migration
    Configurable stripe size and write policy per array
    Intelligent drive handling:
    In degraded mode: skips irreparable blocks to continue rebuild
    In normal operation: data-block verification and repair
    XDAS GX-Series now supports up to a 512TB single logical drive
    Management Web-based SANWatch management software
    RS232 serial port for local access to firmware-embedded utility
    Automated cache flush and caching mode operation per enclosure status
    Telnet and SSH system monitoring via Ethernet
    Platform-independent firmware management GUI
    LCD keypad panel for monitoring and access to all configuration options
    Module status LED indicators: component presence detection & thermal sensors via I2C bus
    Green Designs Power supplies delivering more than 80% of energy efficiency
    Dynamic cooling mechanism
    Smart drive spin-down
    System Components CS8374 ESDS 4016RTC
    Four (4) host board slots
    (host boards are necessary and can be chosen in configurator)
    Four (4) 8GB DIMM modules
    Two (2) redundant 530W power supply units
    Two (2) redundant cooling modules 
    Sixteen (16), hot-swappable drive trays
    Two (2) pre-installed Cache Backup Modules (CBM), each including one Li-Ion battery backup unit (BBU) and one Flash Backup Module (FBM)
    CS8373 ESDS 4016GTC
    One (1) host board slot
    (host board is necessary and can be chosen in configurator)
    Two (2) 8GB DIMM modules
    Two (2) redundant 530W power supply units
    Two (2) redundant cooling modules 
    Sixteen (16), hot-swappable drive trays
    One (1) optional Cache Backup Module (CBM), including one Li-Ion Battery Backup Unit (BBU) and one Flash Backup Module (FBM)
    (without chassis ears/protrusions)
    448mm (W) x 130mm (H) x 500mm (D)

    Without HDDs:18.48kg (40.71lbs)

    Features Benefits
    Up to 11,000MB/s read and 4,200MB/s write performance
    1. Double the performance of similar competing systems in the mid-range segment
    2. High performance ideal for media editing, database, and VDI applications
    Dual controllers and redundant power supplies Fast failover performance and high data availability
    Dual host board and hybrid design
    • Doubled and expandable bandwidth
    • Multiply the flexibility and connection versatility of networked storage
    • Combine diverse connectivity environments on one system for greater utility
    Full 12Gb/s SAS integration, including drive and host sides Speeds up performance with the latest 12Gb/s SAS technology
    Up to 436 HDD support
    • Expand storage to 2,616TB using a total 436 drives via JBOD enclosures.
    • "Pay-as-you-grow" scalability, no worries for present budget or what you will need in the future
    SSD cache and tiering solutions
    • SSD cache solution - up to 16X more read IOPS and 88% lower latency for the hottest data
    • Automated tiering - leverage SSD speed and HDD capacity
    Intelligent Drive Recovery (IDR) Smarter media scan and effortless drive clone and replace
    Secure remote replication The backup to offsite locations provides very reliable and safe disaster recovery
    SED compatible Support for drives with strong hardware encryption
    Tiered event messages Clear and easily actionable system notifications keep you informed and in control
    Thin provisioning Improve storage utilization up to 80% - get more for your investment
    Multi-target snapshot With up to 4096 targets, always have backups to recover vital data at different points in time
    Multi-pair volume copy/mirror Up to 64 pairs ensure entire volumes can be backed up with minimal effort as data grows
    SANWatch 3.0 interface User friendly browser-based deployment and management
    Intelligent drive spin-down and 80 PLUS power supplies Lower costs through reduced power draw and longer drive lifespan
    Super capacitor backup with flash module Deliver power and securely save cached data to flash modules during electric grid outages


    Local Replication

    In business-critical environments, users require strong protection for their valuable data sets. To help users protect data in the most efficient way, local replication leverages the power of XDAS storage systems to provide snapshot and volume copy/mirror capabilities. With space-saving snapshot copies, users can easily restore files or rollback data as necessary. With the full data copies, users can quickly restore service when a RAID-protected volume fatally fails.

    Included Local Replication
    Snapshot Snapshot images per source volume: 64
    Snapshot images per system: 1024
    Volume Copy Source volumes per system: 16
    Replication pairs per source volume: 4
    Replication pairs per system: 64
    Advanced Local Replicaition Option
    Snapshot Snapshot images per source volume: 256
    Snapshot images per system: 4096
    Volume Copy Source volumes per system: 32
    Replication pairs per source volume: 8
    Replication pairs per system: 256



  • Immediately use disk-based full data copies to support applications when source
    data volume fails; constantly mirrored copies minimize data loss
  • Restore files and roll back data in seconds; data is protected from accidental or
    malicious losses to ensure the highest system availability
  • Data protection
    with snapshots
    Instantly take point-in-time data images and use them as granular recovery points
    while consuming minimum disk space and performance by storing only data changes
    Flexible data
    copy deployment
    Split and re-sync mirroring between source and copy as business needs require;
    flexibly leverage independent copies of production data for secondary applications

    Remote Replication Option

    Remote replication leverages the power of storage systems to copy data between storage pools or systems in IP or FC SAN at different sites. When source data fails due to system malfunction or accidents, users can leverage the disk-based remote copy to restart service in minutes. If users would like to transfer responsibility back to the source, it can be quickly synced with the remote copy for only differentials. To further ensure the integrity of the remote data, remote replication allows users to protect the remote copy with snapshot technology. Granular snapshot images can help restore the corrupt remote copy in seconds when it is required to resume business service.



    Minimized unplanned downtime Reduce recovery time after system failures; intact data copies at remote sites can be immediately used to support applications
    Flexible data
    copy protection
    Synchronous and asynchronous options for IP and FC SAN; users can split and
    re-sync the mirroring between source and copy as needed and take snapshots
    for remote data to enhance protection

    data protection

    Achieve enterprise-class protection at affordable price points; companies with tight budgets do not need to compromise on data protection
    Data compression Leverage data compression for asynchronous remote replication for increased

    Automated Storage Tiering

    By enabling users to flexibly assign applications to four available tiers distinguished by different drive types and RAID levels, automated storage tiering provides an architecture that fully leverages the advantages of different storage media, including SSDs for high-performance data storage. With automated storage tiering, users can greatly optimize storage performance and increase ROI. As part of automated storage tiering, data is migrated between tiers based on data usage patterns and user-configured policies. With tiering implemented on the sub-volume level, data can be moved in a highly granular fashion. Data migration achieves efficient distribution of data, and ensures that SSDs and other high-performance drives have the necessary storage space to deal with mission-critical applications.



    storage deployment
    By assigning applications to different tiers consisting of different drive types and RAID levels, users can easily meet wide variety of service level requirements
    storage performance
    SSDs are used most efficiently in an automated storage tiering architecture to optimize performance by up to 150% at no additional costs compared to a non-tiered configuration

    Highly efficient
    data migration

  • Based on data usage patterns, migration ensures optimized distribution of data in storage pools
  • Sub-volume tiering ensures highly granular data movement
  • Scheduling options ensure data migration can be conducted based on actual user requirements
  • Ensures SSDs have the necessary space to serve mission-critical applications
  • Simplified
    Automated features help IT managers spend much less time on assigning applications to storage media and migrating data

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