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Next Generation Data Centers: Hyperconverged Architectures Impact On Storage

Mark O’Connell Distinguished Engineer

Abstract

A modern data center typically contains a number of specialized storage systems which provide centralized storage for a large collection of data center applications. These specialized systems were designed and implemented as a solution to the problems of scalable storage, 24x7 data access, centralized data protection, centralized disaster protection strategies, and more. While these issues remain in the data center environment, new applications, new workload profiles, and the changing economics of computing have introduced new demands on the storage system which drive towards new architectures, and ultimately towards a hyperconverged architecture. After reviewing what a hyperconverged architecture is and the building blocks in use in such architectures, there will be some predictions for the future of such architectures.

Learning Objectives What is a hyperconverged architecture How hyperconverged architectures differ from traditional architectures What technologies are being used to build hyperconverged architectures What workloads are appropriate for hyperconverged architectures

Definition

Hyper-convergence (hyperconvergence) is a type of infrastructure system with a software-centric architecture that tightly integrates compute, storage, networking and virtualization resources and other technologies from scratch in a commodity hardware box supported by a single vendor

http://searchvirtualstorage.techtarget.com/definition/hyper-convergence

Converged vs Hyperconverged

Converged infrastructures Multi-protocol NAS boxes Combined block/file with iSCSI

Hyperconverged SW defined Client and server run together

Why Hyperconverged

If it’s so good, why haven’t we been

using it all along?

Classical architecture

Source: http://www.snia.org/education/storage_networking_primer/san/what_san

Speed limited Scaling SPs expensive Inefficient at small scale DR makes overall utilization worse

Scale-out storage architecture

Commodity nodes, commodity drives Failure impact? Need to go faster?

Enterprise scale-out systems

2002 2008 2014 2011 2007

Scale-out systems: Internal architecture

Acc Stor A S A S A S A S A S ETH/IB

Scale-out systems: Expansion

Acc Stor A S A S A S A S A S

A S A S A S A S A S A S

ETH/IB

Scale-out systems: 2nd expansion

Acc Stor A S A S A S A S A S

ETH/IB

There’s more than just storage

Evolution of the application platform

app app app app app app app app app app app app

Virtualized application farm

ETH/IB

VM VM VM VM VM VM VM VM VM VM VM VM

app app app app app app

Virtualized application farm

ETH/IB

VM VM VM VM VM VM

Storage

Application farms with Scale-out storage

ETH/IB

VM VM VM VM VM VM A S A S A S

A S A S A S

Application farm Scale-out storage

Why two server farms? Hyperconverge!

ETH/IB

VM VM VM VM VM VM A S A S A S

A S A S A S

Application farm Scale-out storage

Early Hyperconverged system

ETH/IB

Task HDFS Task HDFS Task HDFS

Scale-out storage

JVM JVM JVM

Effects of Hyperconverged systems: Elasticity

Elasticity in scaling overall environment

4U 60 DISKS

2U 4 NODES

MIXED BLOCK

2U 4 NODES

4U 60 DISKS

2U 4 NODES

DENSE BLOCK

APP BLOCKS

HIGHER IOP

LOWER IOP

Effects of Hyperconverged systems App management

ETH/IB

A S A S A S

Effects of Hyperconverged systems: Storage provisioning

Application frameworks will provision for apps Drive adoption of standard provisioning mechanisms Pure service architecture for storage

Effects of Hyperconverged systems: Hybrid cloud enablement

Apps are now a self-describing bundle Storage is a dynamically bound service Enable movement on-prem/off-prem

Summary

Hyperconvergence is the result of ongoing industry trends Hyperconvergence will drive

Application management frameworks Standardized provisioning Hybrid cloud

Questions?

Backup slides

What’s coming?

Scale and multi-sized building blocks Elasticity of building systems

App management Containers Kubernetes etc More complex app farms

OpenStack, containers, provisioning – standard provisioning Service architecture across B, F, O Hybrid cloud bridge? 30

A Stor A S A S A S A S A S

Acc S A S A S A S A S A S ETH/IB

A Stor

ETH/IB

2002 2008 2014 2011 2007

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