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Making IT Easier to Manage Your Virtualized Environment - David Babbitt, Spiceworks
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Making IT Easier to Manage Your Virtualized Environment - David Babbitt, Spiceworks

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Making IT Easier to Manage Your Virtualized Environment

Making IT Easier to Manage Your Virtualized Environment


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  • Licensing for vsphere ramps up after 3 hosts x 2 sockets each
    Hyper-V still does not have memory overcommit (page dedup, etc.)
    XenServer most popular for paravirtualization
  • Transcript

    • 1. Manage Your Virtualized Environment David Babbitt Software Developer, Spiceworks
    • 2. What We’ll Be Covering •Virtualization 101 •Benefits (Community) •Advanced Uses of Virtualization •Lessons Learned (Community) •Managing Virtualization with Spiceworks
    • 3. VIRTUALIZATION 101
    • 4. Physical Servers Sharepoint Server 2008 Dell A/V Server 2003 HP Wiki RHEL Dell
    • 5. Virtualized Servers Sharepoint Server 2008 A/V Server 2003 Wiki RHEL VMware Dell
    • 6. Physical Networking 192.168.0.10 192.168.0.11 192.168.0.12
    • 7. Virtual Networking 192.168.0.10 192.168.0.11 192.168.0.12 192.168.0.2
    • 8. Physical and Virtual Hardware Model: Dell R710 RAM: 32 GB NIC: Broadcom MAC: 00:26:B9:5B:E3:08 Controller: PERC Disk: 1TB Model: VMware RAM: 2 GB NIC: Intel MAC: 00:0C:29:7F:31:89 Controller: LSI Disk: 20GB
    • 9. Virtual Machine Layout .vmx .xml .vmdk .vhd
    • 10. Moving Virtual Machines Model: Dell R710 RAM: 32 GB NIC: Broadcom MAC: 00:26:B9:5B:E3:08 Controller: PERC Disk: 1TB Model: HP DL385 RAM: 32 GB NIC: HP MAC: 1C:C1:DE:E6:94:B4 Controller: SmartArray Disk: 1TB Model: VMware RAM: 2 GB NIC: Intel MAC: 00:0C:29:7F:31:89 Controller: LSI Disk: 20GB
    • 11. Terms • Virtualization Host, VM Host, Host • Virtual Machine, VM • Guest • Virtual Server?
    • 12. Types of Virtualization • Desktop – VMware Player – VMware Workstation – VMware Fusion – Parallels Desktop – MSFT Virtual PC Host OS: Windows 7, Linux, etc. Virtualization S/W
    • 13. Types of Virtualization • Server – VMware Server – Parallels Server – Oracle VirtualBox – MSFT Virtual Server 2005 Host OS: Windows Server, Linux, etc. Virtualization S/W
    • 14. Types of Virtualization • Hypervisor – VMware vSphere – MSFT Hyper-V – Xen Host “OS” is the Hypervisor Parent Partition, Dom0, Console OS
    • 15. Microsoft Hyper-V • Standalone (Hyper-V Server), or • Windows Server 2008 (x64) Hyper-V Role • Hyper-V Server is FREE • Manage with System Center Virtual Machine Manager (SCVMM) • H/W: Intel-VT + XD, AMD-V + NX • Guest support: Windows, RHEL, SuSE
    • 16. VMware vSphere • aka ESXi, ESX, Virtual Infastructure, VI3 • VMware vSphere Hypervisor is FREE • Paid versions have more features • Manage with VMware vCenter • H/W: Consult HCL • Guest support: Almost anything
    • 17. Citrix XenServer • FREE • Paid versions have more features • Manage with XenCenter • H/W: Intel-VT, AMD-V (Windows guests) • Guest support: Windows, Linux
    • 18. Which is best?? ….
    • 19. Define “Is” • vSphere – Most third party tools and vendor partnerships – Leading in advanced features – Can quickly get expensive • Hyper-V – Familiar management for Windows people – More features for free (Live Migration) – Less VM density • XenServer – Familiar management for Linux people – Most features for free – Better density with Linux guests
    • 20. BENEFITS (COMMUNITY)
    • 21. Agility • A new VM is a few clicks away • Add as many VMs as host capacity allows “Think about trying to get the OK to purchase a physical server for something that only benefits IT.”
    • 22. Windows Licensing • Server 2008 Enterprise license allows for 4 VM instances on same host • Server 2008 Datacenter license allows for unlimited VM instances on same host (license per host CPU) • Applies to any virtualization platform • Additional benefit for Hyper-V Role: Host license includes guest license(s)
    • 23. Oversubscription • Memory Oversubscription – Paging, deduplication, compression, etc. – Microsoft “any day now” • Disk Oversubscription – “Thin provisioning”, “Expanding”
    • 24. Backups • VMs are just files • copy, rsync, scp works for these too • Veeam FastSCP • Veeam Backup • Trilead VMX
    • 25. Reduced Downtime • VMs are portable between hosts • Storage shared across VM hosts • Restore backup to another VM host • Run from backup using VMware Player
    • 26. ADVANCED USAGE
    • 27. Snapshot .vmdk
    • 28. Snapshot base .vmdk undo .vmdk
    • 29. Snapshot base .vmdk undo .vmdk
    • 30. Rollback base .vmdk undo .vmdk
    • 31. Non-Persistent • I install Spiceworks in a VM 5-10 times per week. • Every “Power Off” or “Restart” performs automatic Rollback scsi0:0.mode = "independent-nonpersistent"
    • 32. VDI user1 .vmdk user2 .vmdk base .vmdk
    • 33. Virtual Networking • Bridged • Host Only
    • 34. DIY Bridge
    • 35. Lossy Network # ipfw pipe 1 config plr 0.1 delay 150ms # ipfw pipe 2 config plr 0.1 delay 50ms # ipfw add 1 prob 0.3 pipe 1 ip from any to any # ipfw add 2 pipe 2 ip from any to any
    • 36. Isolated Copy production test
    • 37. LESSONS LEARNED (COMMUNITY)
    • 38. Central Storage
    • 39. “Magic SAN Powder”
    • 40. Put it into Practice • Start Free, Educate Yourself – VMware Go, Hyper-V server, VMware Player – VMware Virtual Appliance Marketplace – MSFT Product Trials at Technet
    • 41. Put it into Practice • Virtualize IT Resources, Gain Confidence – WSUS, A/V – Conversion Tools – Learn how to monitor resources, errors
    • 42. Put it into Practice • Opportunity and Argument to virtualize the rest – Warranties expiring, Hardware refresh – Future capacity via more CPU and RAM – Savings on Windows Licensing – Limited downtime DR no-brainer
    • 43. Special Thanks • Bob Beatty • Justin Davidson • Limey • Martin9700 • Scott Alan Miller • Orl
    • 44. Questions?
    • 45. DEMO
    • 46. Scanning VM Host Host Configuration VM Definitions VM Guest Addtnl Configuration Software, etc.
    • 47. Questions?
    • 48. http://tinyurl.com/sw2010v m

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