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VMware vSphere 5.1 Overview

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Overview of my VMware vSphere 5.1 with ESXi and vCenter class. Get an overview of the most powerful, enterprise class private cloud platform available.

VMware vSphere 5.1 Overview

  1. 1. Chapter 1 - Introduction Introduction to VMware vSphere 5.1Copyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-1
  2. 2. VMware vSphere ➲ Common IT problems ● vSphere solutions to these problems ➲ Scaling vSphere deployments ➲ Storage, Network and Server private cloud computingCopyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-2
  3. 3. Problems & Opportunities ➲ Low server resource utilization ➲ Data center costs, space, power, cooling ➲ Application, OS deployment ➲ Back Up & Recovery ➲ Server Refresh ➲ Remote access and support ➲ Hardware maintenance ➲ Operating system license costs ➲ Disaster Recovery ➲ Test, Development, Training, QACopyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-3
  4. 4. Server Resource Utilization ➲ Pre-virtualization server resource utilization rates are very low ● Typically, one OS/application per server ● Physical server average utilization: 3%-35% ● Usually one critical resource ● Other sub-systems mostly idle ➲ Why 1 OS, application/server? ● Political, administrative isolation ● I own/manage my own server ● Application, DLL isolation ● Simplify backup, recovery, DR ● Perception that PC servers are cheap to buy, license, runCopyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-4
  5. 5. Server Consolidation ➲ Many VMs/physical server ● VMs compete for available host CPU, RAM, Disk, Network ● VMs get needed resources ● Not declared resources ● Idling VMs may give up CPU, RAM vSphere ● Ensures active VMs run well under CPU, memory over commit (i.e.:when vCPU count > physical core count) ● Share network, storage bandwidth ● Administrators can tune VMs ● Weighted scheduling, memory management and disk I/O ● Ensures critical VMs get resources as neededCopyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-5
  6. 6. Datacenter Issues➲ Problems ➲ Virtual Solutions ● Power, cooling costs ● VM Consolidations: ● Square foot costs 5-50+ VMs ESXi host ● Out of rack space ● Relieves rack space ● Expensive to build out congestion ● Additional concerns ● Reduces power, ● Networking costs cooling costs ● Shared SAN storage ● Leverages existing ● Back up procedures, networking, storage time, costs resources (SAN ● Disaster Recovery switches) ● Administrator time ● Fewer physical ● Config. consistency servers to administer, back up, network, etc.Copyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-6
  7. 7. OS, Application Imaging➲ Problems ➲ Virtual Solutions ● Bare metal installs ● VMs get generic ● Complex hardware, not ● Drivers, agents, etc. physical hardware ● Time consuming ● Introduce needless ● Easy to create VM variation, risk master images ● Imaging solutions not ● Clones, Templates ● Copy & customize... universal ● Easy to create a VM ● Tied to manufacturer, Image Library hardware components ● Images may not help if ● Easy to maintain maker changes hardware ● Not tied to hardware configuration ● Easy to change H/W vendorsCopyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-7
  8. 8. Back Up & Recovery➲ Problems ➲ Virtual Solutions ● Backup tools are ● Most LAN backup expensive, complex tools are supported ● Backup, recovery, ● File system back ups application, open file ● VM snapshots agents ● Data synchronized ● Speed limited by ● Disk image backup network bandwidth ● Data Recovery ● Limited back up ● VM back up, recovery windows ● Guest OS File level ● Virtual networking not recovery capability as fast as physical ● Virtual appliance networkingCopyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-8
  9. 9. Server Refresh ➲ Problems ➲ Virtual Solution ● PC servers have a ● Virtual hardware short life span ● VM H/W is independent 3-5 yrs depending on ● of physical hardware available maintenance ● Easy to migrate VMs support contracts to another ESXi host ● OS, application ● Hot, cold VM migration migrations are time ● Limits down time ● 4 simple steps... consuming, risky ● Provision new server ● Workload down ● Install ESXi, join cluster during migration ● Migrate VMs to new host ● Done off hours ● Shut down, wipe server ● Hard to do remotely ● Can be performed ● Inherently risky remotelyCopyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-9
  10. 10. Hardware Maintenance➲ Problems ➲ Virtual Solutions ● HW maintenance ● To perform H/W requires down time tasks on ESXi host ● Short maintenance ● Evacuate ESXi host of windows Virtual Machines ● Weekend vendor support ● VMotion, cold migrate is costly VMs to other ESXi hosts ● Must be on site ● Patch, upgrade, repair, ● 7x24 4hr response reconfigure host ● Expensive ● No VM down time during ● Often no guarantee of a maintenance fix within 4hr window ● If ESXi capacity permits, ● Without top tier contract, maintenance can be done hardware issues may during production hours keep a server down for daysCopyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-10
  11. 11. Windows Server VM Licensing➲ Problems ➲ Solution ● Windows 2003, 2008, ● Windows 2k3, 2k8/R2 2012 Server licenses Enterprise, Datacenter are expensive VM friendly pricing ● Host licenses, CALs ● Enterprise – 4 VM at ● May have to buy more no additional charge expensive editions for ● Datacenter – unlimited needed features VMs at no additional ● E.g. Microsoft Cluster charge Services not available on Windows Server ● Check your Standard Editions ● License agreement for entitled instance count ● Volume purchase agreementsCopyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-11
  12. 12. MS Virtualization Calculator● Part A – License cost by average VM/s per server● Part B – License cost by actual VMs per serverCopyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-12
  13. 13. Windows Server 2012 ➲ Windows Server 2012 Virtualization ● Standard Edition ● 2 sockets max per license ● 2 VMs per license ● If you have > 2 sockets or > 2 VMs/socket, you must buy more licenses ● Enterprise Edition no longer offered ● Some features pushed down to Standard or up to DataCenter editions ● Datacenter Edition ● One license required for each physical CPU ● Unlimited number of VMs / server Source: ws2012_licensing-pricing_faq.pdf from download.microsoft.comCopyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-13
  14. 14. Disaster Recovery➲ Problems ➲ Virtual Solutions ● Ensure business ● SAN Replication continuity ● Shadow SAN LUNS ● Replication is costly to DR site ● Duplicate all HW, SW ● ESXi host(s) at DR at remote site site set to run VMs ● Complex ● vSphere Replication ● DR procedures must ● Duplicates VMs be tested, reviewed, across LAN/WAN to refined, retested secondary site ● Keeps VMs in sync ● Risky by replicating disk ● Failure of DR plan updates puts business at ● Included in many extreme risk vSphere licensesCopyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-14
  15. 15. Test, Development & QA➲ Problems ➲ Virtual Solutions ● Development, test ● Clone production VMs environments dont ● Clone - Exact copy of match production original VM environment ● Test changes on clone ● Configuration changes ● Too costly to deploy ● OS patches an exact match ● Application upgrades ● Differences introduce ● Validate procedures variation, risk ● VM snapshots let you ● Hard to validate back out of changes changes, test software, ● Saves VM state catch errors if ● No need to re-image if production, problems encountered test/development ● Revert back to original environments differ ● Try again!Copyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-15
  16. 16. IT Technical Career Benefits ➲ Demand for VMware skills since Jan, 2005 www.indeed.com/jobtrends?q=Vmware&relative=1 ➲ According to Dice (www.dice.com) ● Candidates with one completed virtualization project are considered experiencedCopyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-16
  17. 17. Virtualization Over Time ESX 1 ESX ESX(i) ESX(i) ESXi ESXi 2.x 3.x 4.x 5.0 5.1Number of vCPUs 1 2 4 8 32 64GB RAM per VM 2GB 3.6GB 64GB 256GB 1TB 1TBNetwork I/O (Gb/s) .5GB .9GB 9GB 30GB >36GB >36GBStorage I/O < 5k 7k 100k 300k 1,000k 1,000kOps/secCPU Cores/ESXi host 4 8 96 128 160 160 ➲ VMs - bigger, faster over time ● Goal: eliminate all hardware limits to virtualizatin ● Resources – make VMs any size you want ● Performance – VMs more than fast enough for almost all workloads Copyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization. Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-17
  18. 18. VMware vSphere 5.1 Editions vSphere vSphere vSphere ESXi Standard Enterprise Enterprise Plus Maximum vCPUs per VM 8 8 32 64 Maximum Physical RAM per ESXi host 32GB 2TB 2TB 2TB ESXi + VSMP + VMFS ● ● ● ● Thin Provisioning ● ● ● ● Update Manager ● ● ● ● vSphere Storage Appliance ● ● ● Data Recovery ● ● ● High Availability ● ● ● vShield EndPoint AntiVirus ● ● ● vSphere VM Hot Replication ● ● ● VMotion ● ● ● vShield Zones ● ● ● Fault Tolerance ● ● ● Hot Add Hardware ● ● ● Storage VMotion ● ● ● Virtual Serial Port Concentrator ● ● DRS Load Balancing ● ● DRS Power Management ● ● vNetwork Distributed vSwitches ● Network, Storage I/O Control ● Host Profiles ●Copyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-18
  19. 19. Small Business Bundles vSphere 5.1 vSphere 5.1 Essentials Essentials Plus ESXi Servers (2 sockets) 3 3 Processor Cores/socket no limit no limit vCenter Server Nodes 3 3 VSMP (Max vCPUs/VM) 8 8 VMware HA ● Data Recovery ● VMotion ● vSphere Replication ● vShield Endpoint ● VM Hot Add CPU, Memory ● vCenter Storage Appliance ●Features from http://www.vmware.com as of August, 2012 Search for vsphere_pricing.pdfCopyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-19
  20. 20. vSphere Acceleration Kits ➲ Kits are bundles of vSphere licenses ● Offered at discounted prices ● CPU entitlements bumps not available to Small Business Essentials / Essentials PlusKit Name vCenter vSphere Server Max vCPUs Storage Appl. Entitlement per VMSmall Business Essentials No Max 3 Hosts, 8Essentials 3 Host Max 2 CPUs eachSmall Business Essentials Yes Max 3 Hosts, 8Essentials Plus 3 Host Max 2 CPUs eachvSphere Standard Standard Yes 6+ CPUs 8vSphere Standard Standard Yes 6+ CPUs 8+ OperationsEnterprise Standard Yes 6+ CPUs 32Enterprise Plus Standard Yes 6+ CPUs 64 Copyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization. Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-20
  21. 21. vSphere Acceleration Kits ➲ Acceleration kits typically include: ● Fixed number of CPU licenses (eg.: 6 CPUs) ● One vCenter Server license entitlement ● May also include add-on licenses such as: ● vSphere Storage Appliance ● vSphere Operations Management ➲ Physical CPU entitlements can be added ● So you can add servers to your environment ● Not available for Small Business Essentials, Essentials Plus ● These max out at 3 servers of 2 CPUs each ● vCenter for SBE, SBE+ is ESXi host limited to no more than 3 ESXi hostsCopyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-21
  22. 22. VMware Service & Support (SnS)➲ Support contracts must be purchased with all new licenses ● Provides 1-3 years of unlimited support ● No per-incident support charges➲ Upgrades to new releases offered for all licenses that have valid SnS contracts➲ For non-active licenses (support expired) ● You cannot upgrade across major releases ● Can upgrade across minor releases ● E.g.: from vSphere 5.0 to vSphere 5.1 ● Out of support customers can reactivate by: ● Paying all back support ● Paying for the next year(s) support, and ● A penalty for allowing your support to lapseCopyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-22
  23. 23. VMware ESXi ➲ Enterprise class virtualization ● Bare metal install ● Lean hypervisor ● Dynamically load balances VMs ● Assigns CPU, RAM resources when needed, as needed ● If resources are scarce, idling VMs get little service ● Dynamically tunableCopyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-23
  24. 24. Single Host Deployment ➲ Single ESXi host ● VMs share host CPU, RAM, Disk, Network of the host system ● Manage with vSphere Client ● Low-cost or free ● ESXi or vSphere Standard Edition ● Benefits ● Lower capital cost ● Lowers power use ● Faster deployments ● Easier upgradesCopyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-24
  25. 25. Multiple ESXi w. Shared Storage ➲ Migrated VMs onto shared SAN storage ● VMs still run on single host ➲ No VMotion, DRS, HA without vCenter ➲ Some fault tolerance ● If an ESXi host fails ● Use Datastore Browser to import VMs onto surviving host(s)Copyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-25
  26. 26. vSphere Private Cloud ➲ Add vCenter ● ESXi, VM, LAN, Storage mgt. ● Tasks & Events, Logs ● Cold migration ● Monitoring, Alarms ● Scheduled Tasks ● Enables ● VMotion ● Storage VMotion ● High Availability ● Load balancing ● Fault Tolerance ● Back Up ● etc.Copyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-26
  27. 27. Private Cloud Computing➲ Dynamically provision hardware on demand ● Provision whats needed, when needed ● Physical hardware abstracted, shared ● Storage – Storage Area Networks (SANs) ● Provision, grow LUNs on demand ● LUNs usable by any or all ESXi hosts ● PC Servers – install ESXi to deploy, run VMs ● Size servers for high VM tennancy ● Provision new ESXi hosts as VM population grows ● Dynamically load balance to maintain performance ● Networking – vNetwork Distributed vSwitches ● Virtual switches that span ESXi hosts ● Add physical uplinks to improve ESXi > LAN speed ● Consistent configuration, metrics across ESXi hostsCopyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-27
  28. 28. Storage Cloud ➲ Storage Area Networks (SANs) ● Aggregate physical disks into LUNs ● Presents LUNs to ESXi ● VMFS cluster filesystem ● Safe concurrent access ● Grow LUNs as needed ● Provision LUNs on demand ● Snapshot, back up LUNs ● Shadow (replicate) LUNsCopyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-28
  29. 29. Server Cloud ➲ Provision PC Servers to meet capacity, performance needs ● Buy a new PC server ● Install ESXi, join vCenter ● Add to DRS cluster: ● VMs rebalance by migrating onto new server ● Reduces CPU, memory use on other servers ● Add to HA cluster: ● Restarts VMs if anCopyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization. ESXi host fails 1-29Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class.
  30. 30. Network Cloud➲ Distributed vSwitches span ESXi hosts ● Unified view of all Port, Port Group settings ● Simple, consistent, VMotion compatible configuration ● Common MAC address table ● Supports internal Private vLANsCopyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-30
  31. 31. Whats New in vSphere 5 ➲ Bigger VMs and more VMs ● Up to 64 vCPUs (V5.1), 1TB of RAM ● Support for 2-8 Core vCPUs ● Up to 512 VMs/ESXi with up to 2048 vCPUs ➲ Better USB support ● USB 1.1, 2.0 and 3.0 support ● USB devices can be plugged into the ESXi host or your vSphere Client PC ➲ Storage Load Balancing ● New Storage DRS capacity/load balanced storage volume groups ● Helps ensure you dont slow down on over worked volumes or run out of spaceCopyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-31
  32. 32. Whats New in vSphere 5 ➲ New VMFS 5 supports ● Volumes up to 64TB ● Raw Device Maps for volumes > 2TB ● Unlimited blocks per file ➲ Solid State Device support for ● ESXi host cache improves disk reads perf. ● Fast VMkernel paging space ➲ vSphere Replication ● Hot replicates VMs to another host or site ● Minimizes VM downtime due to disasters ➲ Single Sign On (V5.1) ● Central authentication service ● Can connect to AD, OpenLDAP, NISCopyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-32
  33. 33. Whats New in vSphere 5 ➲ Storage vMotion can hot migrate VMs with snapshots ➲ New vSphere Web Client (V5.1) ● New primary administrative interface with capabilities not in legacy vSphere Client ● Simultaneously VMotion + Storage VMotion a VM ➲ VMware vCenter Appliance ● SuSE Linux based vCenter server ● Includes Postgress (free) or connect to Oracle databases ➲ Auto-deploy ESXi host capability ● Simplifies install and upgrade of ESXi hosts ● New stateful/stateless caching (V5.1)Copyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-33
  34. 34. Whats New in vSphere 5.1 ➲ Additional features in vSphere 5.1 ● Hardware Version 9 ● Support for shared, high end GPUs in ESXi hosts ● Perfect for CAD/CAM, graphics intensive virtual desktops ● vNetwork Distributed Switch upgrades ● vSwitch health checks ● Configuration change roll back and recovery ● Back up and restore ● Link Aggregation Control Protocol NIC teams ● Improved vSwitch port replication ● vShield EndPoint hypervisor based antivirus ● Save/restore Resource Pool configuration ● Useful when you disable/enable DRS ● Normally RP configurations lost on DRS disable/enableCopyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-34
  35. 35. Review & Questions➲ VMware vSphere ● Comes in 4 editions – Free ESXi, Standard, Enterprise and Enterprise + ● Each edition has limits on the number of vCPU cores ● Free ESXi, vSphere Standard support 8-way vSMP ● vSphere Enterprise supports 32-way vSMP ● Enterprise Plus supports 64-way vSMP ● No physical RAM restrictions ● Other than max RAM supported in your machine ● vCenter is the enterprise management console for your virtual infrastructureCopyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-35
  36. 36. Copyright © 2012 by ESXLab.com. All rights reserved. No reproduction without prior written authorization.Get Certified now. Sit the ESXLab Certified Virtualization Specialist exam at the end of your class. 1-36

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