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Server Virtualization Technologies: Uses, Comparisons, and Implications David Sweetman Windows Enterprise Systems Admin Administrative Information Services University of Michigan [email_address] University of Michigan Administrative Information Services

Presentation Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What is server virtualization? ,[object Object],[object Object],[object Object]

Why virtualize? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

HW Utilization Facts Individual ebb and flow of resources Cumulative usage of 28 servers in the MAIS data center evaluated for virtualization: 44GB RAM, 138.15Ghz CPU, and 1323GB HD 45% of RAM not used 99.9% of time. 25% of RAM never used concurrently. 85% of CPU not used 99.9% of time. 81% of CPU never used concurrently. 68% of hard disk space unused

Hard Disk Utilization ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Free (GB) Used (GB) Total (GB) Server Local Disk 34 170 68 34 68 68 68 17 34 136 17 68 34 34 68 68 48 7 88 6 13 10 11 16 6 6 56 9 31 24 7 13 9 8 27 Domain Controller 82 IIS document server 62 Machine Room environ 21 IIS: eLearning Prod 58 SQL: eLearning Prod IIS: eLearning dev SQL: eLearning dev Stat Version Control Stat Version Control File Servers Small use Citrix IIS / SQL:Research app PeopelSoft 8 FIN PeopleSoft 8 HE TNG Scheduling IIS app test SAN Manager 57 52 11 28 80 8 37 10 27 55 59 40

Virtualization vs. Consolidation ,[object Object],[object Object],[object Object],[object Object]

Virtual Host Licensing ,[object Object],[object Object],[object Object],[object Object]

Virtualization Software ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Common Features ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

MS Virtual Server 2005 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

VMWare ESX Server 2.5 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Do I need to know Linux? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Managing Virtual Servers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Hyper-threading ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

RAM Allocation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Monitoring ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Virtual Center ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Converting Physical Server ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

VMotion ,[object Object],[object Object],[object Object]

Best Practices ,[object Object],[object Object],[object Object],[object Object],[object Object]

Summary of VMWare differences ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Testing Environment ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Performance Comparisons ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Performance Comparisons ,[object Object],[object Object],[object Object],87% 57% 100% SQL 101% 101% 100% Disk&NIC I/O 91% 91% 100% Memory 80% 94% 100% CPU VMWare MSVS Physical

Performance Comparisons ,[object Object],[object Object],[object Object],- <5% - <5% Disk - <5% Same Same VMWare ESX Server - <5% -/+ <10% -/+ <10% Virtual Server 2005 Network CPU RAM

IIS/SQL Load Test Results ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Terminal Services / Citrix Load Test Results ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Business Objects WebI dev ,[object Object],Win 2000 / IIS5 / 2400MB RAM / 1.4Ghz x 2 (no HT) Hours of Op sampling 24 x 7 sampling 1 136 4 44 3 86 4 47 StDev 1 52 2 759 2 55 2 755 Av 5 63 2 812 2 64 2 809 90% 6 65 11 814 3 65 4 813 95% 7 67 17 816 3 76 17 816 99% 22 85 32 821 52 487 19 823 99.9% 24 97 47 839 55 1548 45 839 99.99% 34 4324 61 847 112 4324 61 847 100% Proc % Usage HD KB /sec Nic KB /sec RAM (MB) Proc % Usage HD KB /sec Nic KB /sec RAM (MB)

PSoft 8 Fin Crystal/nVision: Dev ,[object Object],Win 2000 / 2300MB RAM / 1.1Ghz x 2 (no HT) Hours of Op sampling 24 x 7 sampling 3 181 87 106 8 834 51 91 StDev 2 49 3 662 4 205 2 644 Av 2 32 3 799 2 61 3 786 90% 3 100 3 809 10 910 3 798 95% 13 1015 5 819 67 4802 4 814 99% 75 1494 72 822 82 4912 31 821 99.9% 92 1555 4542 829 89 5005 2973 822 99.99% 106 2529 5284 835 106 5038 5284 835 100% Proc % Usage HD KB /sec Nic KB /sec RAM (MB) Proc % Usage HD KB /sec Nic KB /sec RAM (MB)

PSoft8 HE Crystal/nVision - Prod ,[object Object],Win 2000 / 1500MB RAM / 2.8Ghz x 1 (w/ HT) Hours of Op sampling 24 x 7 sampling 6 159 109 63 7 356 162 67 StDev 21 49 7 363 23 105 10 378 Av 22 51 1 437 23 50 1 447 90% 32 74 11 440 34 183 8 483 95% 220 351 119 460 192 2304 119 534 99% 267 779 674 691 244 2440 1422 620 99.9% 333 3379 3493 713 329 3379 9803 710 99.99% 348 3421 9437 716 350 3421 11499 716 100% Proc % Usage HD KB /sec Nic KB /sec RAM (MB) Proc % Usage HD KB /sec Nic KB /sec RAM (MB)

sumTotal Aspen 2.5 eLearning ,[object Object],Win 2000 / SQL 2000 / 2358MB RAM / 1.9Ghz x 2 (w/ HT) Hours of Op sampling 24 x 7 sampling 4 183 20 60 5 505 173 76 StDev 21 166 5 1636 24 236 16 1628 Av 30 459 3 1665 41 517 5 1670 90% 59 623 67 1684 101 839 68 1777 95% 125 827 70 2064 138 3626 91 1984 99% 138 971 206 2073 216 3673 2667 2073 99.9% 149 1039 404 2075 233 3682 5865 2075 99.99% 155 1047 406 2077 277 4477 9061 2077 100% Proc % Usage HD KB /sec Nic KB /sec RAM (MB) Proc % Usage HD KB /sec Nic KB /sec RAM (MB)

Domain Controllers ,[object Object],Win 2003 / 2000MB RAM / 700Mhz x 4 (no HT) Hours of Op sampling 24 x 7 sampling 1 41 11 56 3 302 138 74 StDev 8 78 7 646 8 128 12 633 Av 10 88 20 707 10 91 15 707 90% 11 90 27 713 12 140 24 713 95% 13 180 42 753 43 1972 51 753 99% 16 194 93 757 78 3440 2131 768 99.9% 51 195 98 766 131 3674 5326 771 99.99% 92 1237 457 767 146 4298 5677 776 100% Proc % Usage HD KB /sec Nic KB /sec RAM (MB) Proc % Usage HD KB /sec Nic KB /sec RAM (MB)

Univ of Michigan - Flint ,[object Object],[object Object],[object Object]

NC State University ,[object Object],[object Object],[object Object]

Potential Uses from Previous Presentations ,[object Object],[object Object],[object Object],[object Object],[object Object]

Pricing ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Cost / Benefit Example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Summary / take-aways ,[object Object],[object Object],[object Object],[object Object],[object Object]

Other Resources ,[object Object],[object Object],[object Object]

David Sweetman University of Michigan [email_address] Questions?

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