|By Dave Wright||
|April 3, 2013 09:45 AM EDT||
The ability to guarantee performance to thousands of applications at once has garnered praise from analysts and enterprises alike. Without this guarantee, cloud providers will not be able to meet the rising performance requirements of enterprise customers. Given the compelling advantages for performance isolation and guaranteed storage QoS, it's no wonder that storage vendors are adding QoS features to their products. We recently discussed some of the simplistic approaches to QoS offered by storage systems, however the ability to guarantee performance to applications is not as simple as adding a new bullet point to a lengthy feature list.
Being able to guarantee application performance in all situations - including failure scenarios, system overload, variable workloads, and elastic demand - requires an architecture built from the ground up specifically to guarantee storage Quality of Service. Trying to bolt Quality of Service onto an architecture that was never designed to deliver performance guarantees is like strapping a jet engine to a VW Beetle. The wheels will come off just when you get up to speed.
Solving Performance from the Core
There are six architectural storage requirements that get to the root of the performance problem that overcome every predictability challenge. Together, these six requirements enable true storage Quality of Service and establish the benchmark for guaranteeing performance to applications within a multi-tenant infrastructure.
- All-SSD Architecture
- Enables the delivery consistent latency for every IO
- True Scale-out Architecture
- Linear, predictable performance gains as system scales
- RAID-less Data Protection
- Predictable performance in any failure condition
- Balanced Load Distribution
- Eliminate hot spots that create unpredictable IO latency
- Fine Grain QoS Control
- Completely eliminate noisy neighbors, and guarantee volume performance
- Performance Virtualization
- Control performance independent of capacity and on demand
Solving for just one of these requirements doesn't offer true storage Quality of Service. Each one needs to be encapsulated into a coherent architecture. After all, it doesn't matter what is affecting performance, but that performance is being affected at all. Many traditional storage architectures treat some of these symptoms by strapping on the "jet engine," but ultimately storage QoS is not a feature, it's an architecture, built from the beginning to perform the way it should.
SolidFire delivers high-performance data storage systems for cloud service providers. Leveraging an all-flash scale-out storage architecture with patented volume-level quality-of-service (QoS) controls, providers can now guarantee storage performance to thousands of applications within shared infrastructures. By using real-time data reduction techniques and system-wide automation, SolidFire is fueling new and profitable block-storage services that are advancing the way the world uses the cloud.
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