ScaleIO Elastic, Converged Storage
EMC ScaleIO is a software-only server-based storage area network (SAN) that converges storage and compute resources to form a single-layer, enterprise-grade storage product. ScaleIO storage is elastic and delivers linear scalable performance. Its scale-out server SAN architecture can grow from a few to thousands of servers.
Scalability and Performance
Breaking traditional barriers of storage scalability, ScaleIO scales out to hundreds and thousands of nodes. The parallel architecture and distributed volume layout deliver a massively parallel system that deliver I/O operations through a distributed system. As a result, performance can scale linearly with the number of application servers and disks.
We’ve carefully designed and implemented ScaleIO software components so as to consume minimal computing resources.
Elasticity and Resilience
With ScaleIO, any administrator can add, move, or remove servers and capacity on demand during I/O operations. The software responds automatically to any infrastructure change and rebalances data accordingly across the grid nondisruptively.
ScaleIO natively supports all leading Linux distributions and hypervisors. It works agnostically with any solid-state drive (SSD) or hard disk drive (HDD) regardless of type, model, or speed.
EMC ScaleIO’s rich set of features
|Feature||How It Works|
|Scale-out architecture||Leverage software-only architecture that can scale from a few to thousands of servers and from a few terabytes to multiple petabytes|
|Two-copy “mesh” mirroring||
Gain high availability with no single points of failure or potential bottlenecks
Take advantage of self-healing system so you can auto-recover data upon failure
Add, move, or remove nodes or disks “on the fly” to automatically rebalance data across the entire system
|Protection domains||Control data protection and enhance fault recovery|
|Storage pools||Enable performance and capacity tiering|
|Bandwidth/IOPs limiter||Throttle application bandwidth limits to control resource allocation for designated quality of service (QoS)|
|Snapshots||Provide consistent, writeable snapshots and support consistency groups|
|Performance growth with scale||Add more capacity to enable you to scale performance and scale linearly with applications|
|Encryption||Protect data through encryption|
|Media type-agnostic||Use any hard disk drive (HDD), solid-state drive (SSD), or Peripheral Component Interconnect Express (PCIe) capacity|
|Hardware-agnostic and heterogenous support||Aggregate storage from both physical and virtualized servers and gain support for multiple operating systems and hypervisor flavors like Linux, Microsoft Windows, ESX, Xen, and Hyper-V|
|GUI||Use a simple, easy-to-use graphical user interface (GUI) for monitoring and simple configuration command line interface (CLI) for setup|
Require no additional cooling, power, or space
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Single-layer, Converged Architecture
EMC ScaleIO converges compute and storage resources into a single-layer architecture, running directly on the application servers. As a result, ScaleIO creates a pool of shared storage, aggregating the server's direct attached storage to create a server storage area network (SAN).
Organizations can add, move, or remove disks and servers on the fly and without any downtime. Modifying the capacity can be done in small or large increments, as required.
High-performance, Scale-out Deployment
ScaleIO can scale to thousands of nodes. Workloads are always shared among multiple SDCs, manifesting massively parallel I/O.
ScaleIO is hardware-agnostic and runs on any commodity servers. For instance, ScaleIO runs on Linux, Microsoft Windows, and virtual environments such as VMWare, Xen and Hyper-V, using the same architecture and exposing the same functionality.
ScaleIO software consists of two elements: the ScaleIO data client (SDC) and the ScaleIO data server (SDS). Organizations can install either of these elements on any application server. Both the SDC and SDS have a small footprint and minimal overhead.
The SDC is a lightweight device driver, serving I/O requests of local applications. It exposes to its clients volumes that are currently mapped to that host.
The SDS is a lightweight component that’s situated in each host and that contributes local storage to the server SAN.
ScaleIO protects data via a mesh mirroring architecture for full redundancy. Users never notice failures as I/O operations continue uninterrupted during failures, rebuilds, and rebalancing.
Applications use the local SDC to perform I/O operations. The SDC routes the operation to the SDS that “owns” that part of the shared storage to perform the read or write operation.
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- EMC ScaleIO for High-Performance Computing
- EMC ScaleIO for Virtual Desktop Infrastructure
- EMC ScaleIO for Virtual Server Infrastructure