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Making IT Easier to Manage Your Virtualized Environment - David Babbitt, Spiceworks
- 1. Manage Your Virtualized Environment DavidBabbitt Software Developer, Spiceworks
- 2. What We’ll BeCovering •Virtualization 101 •Benefits (Community) •Advanced Uses of Virtualization •Lessons Learned (Community) •Managing Virtualization with Spiceworks
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- 4. Physical Servers Sharepoint Server 2008 Dell A/V Server2003 HP Wiki RHEL Dell
- 5. Virtualized Servers Sharepoint Server 2008 A/V Server2003 Wiki RHEL VMware Dell
- 6. Physical Networking 192.168.0.10 192.168.0.11192.168.0.12
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- 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
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- 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 • akaESXi, 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
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- 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
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- 21. Agility • A newVM 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 • Server2008 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 arejust files • copy, rsync, scp works for these too • Veeam FastSCP • Veeam Backup • Trilead VMX
- 25. Reduced Downtime • VMsare portable between hosts • Storage shared across VM hosts • Restore backup to another VM host • Run from backup using VMware Player
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- 31. Non-Persistent • I installSpiceworks in a VM 5-10 times per week. • Every “Power Off” or “Restart” performs automatic Rollback scsi0:0.mode = "independent-nonpersistent"
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- 33. Virtual Networking • Bridged• Host Only
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- 35. Lossy Network # ipfwpipe 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
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- 40. Put it intoPractice • Start Free, Educate Yourself – VMware Go, Hyper-V server, VMware Player – VMware Virtual Appliance Marketplace – MSFT Product Trials at Technet
- 41. Put it intoPractice • Virtualize IT Resources, Gain Confidence – WSUS, A/V – Conversion Tools – Learn how to monitor resources, errors
- 42. Put it intoPractice • 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 • BobBeatty • Justin Davidson • Limey • Martin9700 • Scott Alan Miller • Orl
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- 46. Scanning VM Host Host Configuration VMDefinitions VM Guest Addtnl Configuration Software, etc.
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Editor's Notes
- #20 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