Designing virtual infrastructure

Designing Your Virtual Infrastructure & Hypervisor Deep Dive Don Jones ConcentratedTech.com Pre-requisites for this presentation: 1) Strong understanding of basic virtualization concepts Level: Intermediate

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About the Instructor ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

44% of Virtualization Deployments Fail ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

55% Experience More Problems than Benefits with Virtualization ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Lifecycle of a Virtualization Implementation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Virtualization Assessment ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Easy Candidates for Virtualization ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Not Candidates for Virtualization ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Performance is Job One ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Useful Performance Counters Category Performance Metric Example Threshold Disk % Disk Time > 50% Memory Available MBytes Below Baseline Memory Pages / Sec > 20 Page File % Usage > 70% Physical Disk Current Disk Queue Length >18 Processor % Processor Time > 40% System Processor Queue Length > 5.4 System Context Switches / Sec > 5000 System Threads > 2000

The Virtualization Assessment Relatively Low Processor Use, but…

The Virtualization Assessment High Memory Pages/sec Ridiculous % Disk Time Crazy High Context Switches & Threads

Assessing the Right vRAM ,[object Object],[object Object],[object Object],[object Object],[object Object],Who has 4G of RAM in your DCs? And NEED it?? Be honest!

Assessing the Right vRAM ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Assessing the Right vRAM 2G of on-board RAM … minus… .5G of available RAM Let ’s consider a physical machine with 2G of on-board RAM … equals… Initial assignment of 1.5G of vRAM

Gathering Performance ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Step 1 Purchase & Implementation

Consolidation = Cost Savings 8:1 15:1 20:1 Small Server $6,000 1:1 $6,000 per Server Large Server $15,000 Virtualization $5,000 $20,000 Large Marginal Cost Increases per Additional Server $2,500 per Server Smaller Marginal Cost Increases + Power + Cooling + Provisioning Labor $1,333 $1,000

Three Types of Virtualization ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Virtual O/S is entire system. No awareness of underlying host system. OS instances are “deltas” of the host configuration. Similar to Hardware Virtualization, but Virtual O/S is “aware” it is virtualized.

Hardware Virtualization ,[object Object],[object Object],[object Object],[object Object],[object Object]

Paravirtualization ,[object Object],[object Object],[object Object],[object Object],[object Object]

OS Virtualization ,[object Object],[object Object],[object Object],[object Object],[object Object]

CAUTION! ,[object Object],[object Object],[object Object],[object Object]

Example ,[object Object],[object Object],[object Object]

P2V Isn ’t Sexy Any More ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

P2V, P2V-DR ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

P2V-DR Uses ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Costs vs. Benefits ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What Really is Live Migration? Part 1: Protection from Host Failures

What Really is Live Migration? Part 2: Load Balancing of VM/host Resources

Comparing Quick Migration w/ Live Migration ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Comparing Quick Migration w/ Live Migration ,[object Object],[object Object],[object Object],[object Object],[object Object]

Comparing Quick Migration w/ Live Migration ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Common Features in High-End Platforms ,[object Object],[object Object],[object Object],[object Object],[object Object]

Backup Terminology ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Four Types of Backups ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Problem with Transactional Databases ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Problem with Transactional Databases ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Step 5 Virtualization at the Desktop

Desktop Virtualization = VDI = Hosted Desktops ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Disaster Recovery ,[object Object],[object Object]

Thank You! ,[object Object],[object Object],[object Object]

Designing virtual infrastructure

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