EMC releases yet ANOTHER rack-scale server SAN

Biz claims no overlap at all with its bazillions of similar boxen

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EMC's ScaleIO Node is a super-scalable server SAN that presents EMC and its users with interesting product positioning decisions compared to EVO: SDDC (EVO: RACK that was), VxRack, VMAX, VNX, VSAN, and VSPEX Blue.

Joe Tucci's company, which wants to reduce internal product competition, says its ScaleIO Node scale-out server SAN is "a fully architected, pre-validated, tested and configured solution", using "EMC commodity servers" sourced from Quanta in a packaged offering. As such, it complements the software-only ScaleIO offering.

Eech server node combines disk drives, SSDs and PCIe flash cards to create a virtual pool of block storage. The software features multi-tenant capabilities, quality of service, thin provisioning, snapshots and data protection.

There are four kinds of server chassis and they can be be mixed:

  • CS100 capacity storage-only node with several configurations
  • CC100 capacity compute and storage node
  • PC100 performance and compute chassis with several configurations
  • PF100 performance flash chassis for the most IOPS and density

The system scales from three to more than 1,000 nodes, with nodes added or removed non-disruptively. EMC claims customers will get "eight times better IOPS performance than traditional SANs" and will enjoy better power/cooling/space characteristics.

ScaleIO_Node_bezel

ScaleIO Node bezel

In fact EMC claims it can be "as much as 50 per cent more efficient, compared to traditional SAN infrastructures."

It is "hypervisor and OS-agnostic, offers four different chassis types to support different needs and workloads, and provides optional network and rack options."

Switches and racks can be bought from EMC or each bought separately. For example, EMC has a 1GbitE management network switch and two 10GbitE data access switches.

ScaleIO_Node_configs

ScaleIO Node configurations – click to embiggen. Column 4 is CPU, 6 is the SSD, and 7 is the disk

ScaleIO Node servers can run applications in a normal virtual SAN way or applications can run on separate servers. EMC says you can choose the OS and hypervisor running on each server node, and select and mix capacity and performance nodes in the same system.

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