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VxRack FLEX & SDDC

HCI Rack-Scale Technical Deep Dive

Maciej Plona

Dell - Internal Use - Confidential2

Multiple hyper-converged consumption models

APPLIANCE

Software-Defined Compute &

Storage

vSphere environments

VxRack SDDC

vSphere environments plus bare metal and/or multi-hypervisor

VxRack FLEX

Choice of hypervisor

XC Series

RACK-SCALE

Software-Defined Compute, Storage,

& Network

vSphere environments

VxRail

Choice of network Fully integrated network

33

Rack scale HCI challenges


Back

Rack scale physical and logical network


Dell EMC VxRack

Built-in networking

FOUNDATION FOR IAAS AT SCALE

Fully integrated

rack-scale fabric

Delivers turnkey

experience

Start small, grow

BIG!

Software-defined for

flexibility

Dell PowerEdge

Server advantageBuilding block for

Hybrid Clouds


VxRack components

Expansion nodes

Second rack

System controllers

TOR/Aggregation or

Leaf/Spine switching

Expansion nodes

42RU

Minimum configuration with 4 nodes

First rack

Integrated cabling, power, and cooling

TOR or Leaf switching

ScaleIO


ScaleIO software components

Meta Data Manager (MDM)

Oversees cluster configurations, monitoring, rebalances, and rebuilds

Installed on 3 or 5 different servers for high availability,

with the SDCs and/or SDSs, or on separate servers

ScaleIO Data Client (SDC)

Provides front-end volume access

Installed on all servers using ScaleIO

volumes

ScaleIO Data Server (SDS)

Facilitates backend device access

Installed on all servers contributing local

storage to the ScaleIO cluster


At any scale

Supports Any Application

Operating systems Hypervisors Cloud

SSDHDD PCIe Flash

Media

On Any OS, Hypervisor, or Media

Traditional, modern, or cloud

Infrastructure agnostic


Flexible deployment options

x86 with APPS & ScaleIO

ETHx86 with APPS

x86 with ScaleIO

ETH

x86 with APPS

x86 with ScaleIO

ETH

x86 with APPS & ScaleIO

ETH

Traditional Two-layer

Server & Storage

Modern One-layer

Co–resident

Modern and Traditional

Mixed

• Similar structure to traditional SAN

• Servers perform as either compute or

storage

• Supports organizations who need

separation between storage and application

teams

• Servers host both applications and storage

• Modern approach to manage IT Data Center

• Provides maximum flexibility and easier to

administrate

• Adopt both approaches

• Map deployment to department and

organizational needs

• Enables departments to choose the

model that best aligns to their processes.


High performance / Low footprintHigh I/O Parallelism

C

• Eliminates single points of

failure

• No central point of routing

• Prevents unnecessary

network traffic and redundant

SDS resource usage

• Allows performance to scale

linearly

S

CS

CS

CS

CS

CS

CS

CS

CS

CS


ScaleIO storage schemes

• Three considerations when

designing the VxRack

FLEX/ScaleIO storage layout:

– Protection Domains

– Storage Pools

– Fault Sets

• These constructs provide the ability

to group nodes in a variety of

configurations that fit the demands

of the infrastructure

Protection

Domain #1

SSD SSD

Protection

Domain #2

Storage

Pool of

SSDs

Storage

Pool SSD

HDD HDD

SSD

SSD

SSD

SSD

Storage

Pool HDD


Fault Sets provide data integrity and high availability

ScaleIO fault sets provide resiliency for no data loss

• Three fault sets created at a

minimum

• Chunks spread between

fault sets for protection

• Node error occurs

• ScaleIO automatically

distributes to maintain

integrity and availability

A

B

C

D

E

FDEC

FA CB

Fault Set #1

Fault Set #2

Fault Set #3

F

E D• The chunks not protected

in multiple “legs” at that

point in time are

C, D and E.

AB

Fault Set #4

Protection

Domain #1

15

Well known integrated VxRack SDDC stackInside the next generation hyper-converged SDDC platform

NSX

Micro-segmentation

Automated network operations

Automated build-up & configuration

SDDC ManagervSphere

Server consolidation

Maximize application uptime

vSAN

Lowers storagecapex costs

Simpler storage operations

© Copyright 2017 Dell Inc.16

The VMware VCF to VxRack SDDC path

Multi step process to get to turnkey cloud platform

• Integrated turnkey cloud platform

• Fastest time-to-market solution

• Fully Integrated SW

• Complete LCM

• End to End support

• Less risk

• Whole system integration tested

• Upgrades (lifecycle) validation HW & SW

• Scale OUT validation

• Standardized support & problem resolution processes

• Security & data protection

• Interoperability

• Software validation

• Automation Testing (deployment and lifecycle, etc.)

• Policy based provisioning

• VMware SDDC Manager best practices

• vSphere

• vSAN

• NSX

• vRealize

VxRack SDDCDell EMC certificationVMware Cloud FoundationIndividual VMware components

17

End to end cloud infrastructure securityBuilt into SDDC Manager on VxRack SDDC

NSX Security

vSAN Encryption

Traditional Apps

(VMs)

Cloud Native Apps

(Containers)

vSphere Encryption


Types of Domains

Dedicated vSphere Cluster

• Automated provisioning through SDDC Manager

Three types

• Management

• Virtual Infrastructure

• Virtual Desktop Infrastructure

Multiple workload domains run in parallel

• Each with dedicated vCenter Server

VIWorkload Domain

Management Domain

VIWorkload Domain

VI Workload Domain

VI Workload Domain

Expansion

VDI Workload Domain

VIWorkload Domain


Management Domain

Component Overview

• Min of four nodes (runs in first rack)

• Instantiated during bring-up

• Hosts Cloud Foundation infrastructure and all workload domain management components

─ SDDC Manager Controller VM

─ SDDC Manager Utility VM (LCM)

─ PSCs

─ vCenter Server Instances

─ NSX Manager Instances

Optional Components

• vRealize Suite

• Horizon desktop management components for all VDI workload domains

VxRack SDDC is configured using the VCF Standard Architecture

Minimum of Four Nodes

ESXi01 ESXi02 ESXi03

Virtual SAN Datastore

Virtual Distributed Switch

vRack-ResourcePool-Mgmt

Cloud Foundation Infrastructure VMs

vSphere Cluster + vSAN

VI WLD Management Components

VDI WLDsManagement Components

ESXi04

PSCPSC

vCenterNSX

Manager

SDDC MGR

Controller

SDDC MGR

Utility NSX CtrlNSX CtrlNSX Ctrl

NSX CtrlNSX CtrlvRealize Log

Insight NSX CtrlNSX CtrlvRealize

Operations NSX CtrlNSX CtrlvRealize

Automation

Optional

vCenter

NSX Manager

Dell EMC

Support VM

App-VolumesView

Connect

vCenterNSX

Manager

App-Volumes

View Compose

View Connect

SQL AD

VI/VDI WLD Management VMs


Workload Domains

Virtual Infrastructure (VI):

• Dedicated vSphere cluster

Virtual Desktop Infrastructure (VDI):

• Dedicated vSphere cluster + virtual desktop infrastructure

User specifies capacity, performance and availability parameters

SDDC Manager automates deployment:

• vSphere (PSC, vCenter, ESXi), vSAN, NSX, Horizon, App Volumes, Log Insight

Ability to create, expand, and delete

Patch/Update workload domains independently

vxrack flex & sddc - dell · vxrack flex & sddc hci rack-scale technical deep dive maciej...

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