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I O Continuity Group July 23, 2008 Seminar

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Planning VMware on SAN Deployments
Why is virtualization such a popular datacenter design? Learn about the SAN pre-requisites and other

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I O Continuity Group July 23, 2008 Seminar

  1. 1. Simplifying, Virtualizing and Protecting your Data Center copyright I/O Continuity Group, LLC
  2. 2. Presenters <ul><li>Doug Theis , Lifeline Data Centers </li></ul><ul><li>VP and Datacenter Security Specialist </li></ul><ul><li>Anne Achleman , I/O Continuity Group </li></ul><ul><li>VMware on SAN Specialist </li></ul><ul><li>David Paquette , Double-Take </li></ul><ul><li>Senior Technical Analyst </li></ul>copyright I/O Continuity Group, LLC
  3. 3. Administrative information copyright I/O Continuity Group, LLC
  4. 4. <ul><li>Maximum Uptime and Value </li></ul><ul><li>Facilities – New Eastgate Mall construction </li></ul><ul><li>Connectivity </li></ul><ul><li>Security </li></ul><ul><li>Environments </li></ul><ul><li>Managed Services </li></ul><ul><li>Hosting/Owning/Leasing </li></ul><ul><li>The Lifeline Difference </li></ul>Lifeline Data Centers copyright I/O Continuity Group, LLC
  5. 5. Virtualization is revolutionizing IT <ul><li>It is changing how we do everything. </li></ul><ul><li>Offering much greater value- doing more with less. </li></ul><ul><li>What do people want? </li></ul><ul><ul><li>To build and quickly deploy applications that are always available and always responsive, to drive their business non-disruptively. </li></ul></ul>copyright I/O Continuity Group, LLC
  6. 6. Where does Virtualization live? <ul><li>Internal datacenters </li></ul><ul><li>Hosted services </li></ul><ul><li>Computing clouds </li></ul><ul><li>It’s changing how we do everything. </li></ul><ul><li>Virtualization cuts across physical boundaries. </li></ul><ul><li>It can be adopted in phases. </li></ul>copyright I/O Continuity Group, LLC
  7. 7. Audience <ul><li>Show of hands: </li></ul><ul><ul><li>Understanding of basic SAN concepts? </li></ul></ul><ul><ul><li>Implemented a SAN already? </li></ul></ul><ul><ul><li>Understanding of basic virtualization concepts? </li></ul></ul><ul><ul><li>Implemented virtualization already? </li></ul></ul>copyright I/O Continuity Group, LLC
  8. 8. Agenda <ul><li>Storage Consolidation with SAN’s </li></ul><ul><li>Server Consolidation with Virtualization </li></ul><ul><li>Best practices and how we can help </li></ul><ul><li>Please hold questions to the end </li></ul><ul><li>Please complete post-event survey </li></ul>copyright I/O Continuity Group, LLC
  9. 9. Einstein Quote: Explaining it to a 3 year old copyright I/O Continuity Group, LLC
  10. 10. Data Proliferation <ul><li>IT organizations have been battling year-after-year information growth rates of 50 to 100 percent . </li></ul><ul><li>This trend will continue into the next decade. </li></ul><ul><li>Just storing more data is no longer an option. </li></ul><ul><li>Consolidating multiple application tiers into a single common infrastructure will lower costs and improve service levels. </li></ul>copyright I/O Continuity Group, LLC I’m down and I can’t get up! Data Explosion!!
  11. 11. IT Challenge <ul><li>Every new IT trend involves a: </li></ul><ul><ul><li>New vendor solution to integrate with current systems </li></ul></ul><ul><ul><li>New hardware requirements and software licensing </li></ul></ul><ul><ul><li>Need for special talent and integration strategies </li></ul></ul><ul><ul><li>More energy costs, more datacenter space, extra cooling </li></ul></ul><ul><ul><li>Need to protect data without a lot of difficulty </li></ul></ul><ul><li>Data capacity doubles every 12-18 months (based on average business growth) </li></ul><ul><ul><li>Managing data becomes difficult and expensive </li></ul></ul><ul><ul><li>Backing up data takes longer as more data accumulates </li></ul></ul>copyright I/O Continuity Group, LLC
  12. 12. Phases of Consolidation <ul><li>Reduce the need for valuable resources: </li></ul><ul><ul><li>Phase 1 : All servers share the storage array(s) on a Storage Area Network </li></ul></ul><ul><ul><li>Phase 2 : Many applications running as “Virtual Machines” on fewer servers </li></ul></ul>copyright I/O Continuity Group, LLC
  13. 13. Top Three Questions <ul><li>Why is storage important? </li></ul><ul><ul><li>80% of most company’s capitalization </li></ul></ul><ul><ul><li>If you lose your data, corporate stability is lost </li></ul></ul><ul><ul><li>Revenues suffer when systems are down </li></ul></ul><ul><li>How can consolidation save $$$ ? </li></ul><ul><ul><li>Less Hardware </li></ul></ul><ul><ul><li>Fewer IT staff </li></ul></ul><ul><ul><li>Reduced Energy Consumption </li></ul></ul><ul><li>How do you choose? </li></ul><ul><ul><li>Storage Area Networks (Fibre Channel or iSCSI) </li></ul></ul><ul><ul><li>Virtualization (VMware, Virtual Iron, Hyper-V) </li></ul></ul>copyright I/O Continuity Group, LLC
  14. 14. Storage Basics <ul><li>Every operating system and application NEEDS a DISK to hold data: </li></ul><ul><ul><ul><li>Web sites, e-mail servers, databases, video recordings, etc </li></ul></ul></ul><ul><li>What happens when data grows quickly or disks get full ? </li></ul><ul><ul><ul><li>Data keeps growing </li></ul></ul></ul><ul><li>Adding more disks can lead to interruptions and downtime . </li></ul><ul><li>Server becomes unmanageable when it is difficult to predict storage needs. </li></ul>copyright I/O Continuity Group, LLC Consolidated Not Consolidated
  15. 15. Pre-SAN=Direct-Attached Storage <ul><li>One-to-one model leads to “ server sprawl ” when simply more disks may be needed. </li></ul><ul><li>Servers are each attached directly to dedicated storage. </li></ul><ul><li>No disk sharing among servers means manual management. </li></ul><ul><li>No dynamic scalability/growth </li></ul><ul><li>Difficult to know future server capacity needs upfront </li></ul>copyright I/O Continuity Group, LLC Servers Not sharing storage Storage Array holding disks Storage Array holding disks
  16. 16. What is a Storage Area Network? <ul><li>Storage Area Networks (SANs) consolidate disks on their own high-speed dedicated network . </li></ul><ul><li>Storage array allows addition of more disks on-the-fly . </li></ul><ul><li>Servers can connect to more disk space without rebooting. </li></ul><ul><li>Move more data faster and more efficiently. </li></ul><ul><li>The “de facto” storage solution. </li></ul>copyright I/O Continuity Group, LLC Servers Switches Storage Array holding disks HBA’s HBA’s
  17. 17. SAN Reliability <ul><li>Hardware </li></ul><ul><li>All components are duplicated (two Server HBA’s, two Switches, two Storage Controllers) so if one fails the other part takes over seamless ly. </li></ul><ul><li>Vendors receive automatic notification of the failure across the internet with rapid resplacement time. </li></ul><ul><li>When a new server is added there need for an experienced IT technician. </li></ul><ul><li>Management </li></ul><ul><li>Dynamic storage means anytime a server requires more capacity, the storage array can provide it instantly . </li></ul><ul><li>The server operating system is able to rescan to add the new disk volume without rebooting . </li></ul><ul><li>When adding disk capacity an experienced IT technician is needed. </li></ul>copyright I/O Continuity Group, LLC
  18. 18. DAS vs SAN Features <ul><li>DAS </li></ul><ul><li>Standalone disk enclosures </li></ul><ul><li>One-to-one model – no switched network </li></ul><ul><li>Hardware intensive </li></ul><ul><li>Management intensive </li></ul><ul><li>No redundancy (expect downtime) </li></ul><ul><li>Capacity , management and disk allocation is not seamless </li></ul><ul><li>Average speed/bandwidth 200 MB/s (with overhead) </li></ul><ul><li>SAN </li></ul><ul><li>Consolidated disk enclosures </li></ul><ul><li>One-to-many model with switched network </li></ul><ul><li>Hardware shared </li></ul><ul><li>Seamless management </li></ul><ul><li>No single point of failure (no downtime) “Runs by itself” </li></ul><ul><li>SAN foundation is required for virtualization </li></ul><ul><li>Average speed/bandwidth up to 800 MB/s (less overhead) </li></ul>copyright I/O Continuity Group, LLC
  19. 19. SAN Architecture <ul><li>Current “de facto” storage design </li></ul><ul><li>Price has come down approx 80% in 8 yrs </li></ul><ul><li>All devices must be compatible </li></ul><ul><li>Two connections to end devices– no single point of failure </li></ul><ul><li>Dynamic scalability/growth through plug-n-play disk shelves </li></ul><ul><li>Servers simply rescan for more disk space </li></ul>copyright I/O Continuity Group, LLC Servers Switches Storage Array holding disks HBA’s HBA’s
  20. 20. Types of SAN Switches <ul><li>Fibre Channel SAN </li></ul><ul><li>Fast Optical switches </li></ul><ul><li>Bandwidth 200- 800 MB/s </li></ul><ul><li>Low latency (quick response) </li></ul><ul><li>More expensive </li></ul><ul><li>Supports demanding workloads </li></ul><ul><li>Mission-critical server applications </li></ul><ul><li>Limited distances 500 km </li></ul><ul><li>IP SAN (iSCSI) </li></ul><ul><li>LAN/WAN Switches (GigE) </li></ul><ul><li>Bandwidth avg 100 MB/s </li></ul><ul><li>High latency (more processing overhead in software) </li></ul><ul><li>Less expensive </li></ul><ul><li>Supports less complex workloads </li></ul><ul><li>Second-tier server applications ( ¼ performance for ¼ price) </li></ul><ul><li>Max distance unlimited </li></ul>copyright I/O Continuity Group, LLC
  21. 21. SAN vs iSCSI Stacks copyright I/O Continuity Group, LLC SAN is fast and robust with minimal network overhead. iSCSI is “bloated” protocol with high network overhead.
  22. 22. <ul><li>SCSI to IP packet </li></ul><ul><li>Software initiators </li></ul><ul><ul><li>Built-in NICs (teaming) </li></ul></ul><ul><ul><li>CPU overhead/latency </li></ul></ul><ul><li>Hardware HBA initiators </li></ul><ul><ul><li>Offloads CPU processing </li></ul></ul><ul><ul><li>MPIO multipathing </li></ul></ul>Server Host Bus Adapters <ul><li>Fibre Channel HBA’s </li></ul><ul><li>SCSI to Fibre Channel protocol </li></ul><ul><li>Hardware initiator </li></ul><ul><li>Requires server PCI slot </li></ul><ul><li>Speeds: 200/400/800 MB/s </li></ul><ul><li>Bus technology </li></ul><ul><ul><li>PCI Express- pt-to-pt </li></ul></ul><ul><li>“ Multipathing” load balancing. </li></ul><ul><li>iSCSI Initiators </li></ul>copyright I/O Continuity Group, LLC
  23. 23. Types of Disks and Arrays <ul><li>ATA/IDE – mostly desktops </li></ul><ul><li>Parallel SCSI – slower data transfer (200 MB/s) </li></ul><ul><li>SATA (Serial ATA) – low-cost FC drives </li></ul><ul><li>SAS (Serial attached SCSI) – point-to-point </li></ul><ul><li>FC (fibre channel) – faster 400 MB/s </li></ul><ul><ul><li>RPM speeds 10,000-15,000 </li></ul></ul><ul><ul><li>If a disk or hardware part fails, the vendor automatically sends a replacement </li></ul></ul>copyright I/O Continuity Group, LLC
  24. 24. Top-to-bottom approach <ul><li>Evaluate your current server/storage arrangement and data growth </li></ul><ul><li>Prioritize application importance </li></ul><ul><li>Measure server workloads and current performance </li></ul><ul><li>Tailored storage design: assign each server to the proper storage “tier” (see next slide) </li></ul><ul><li>Match current and future capacity needs to vendor storage array options. </li></ul>copyright I/O Continuity Group, LLC
  25. 25. Tiered Storage Strategy copyright I/O Continuity Group, LLC Tier 1 High end, Mission-critical Tier 2 High-Mid range Fibre Channel disk Local replication Tier 3 ATA Low-cost Fibre Channel Tier 4 Static, Content-addressed storage Tier 5 Archives and Tape Availability <ul><li>Seconds to minutes </li></ul><ul><li>Minutes to hours </li></ul><ul><li>Hours </li></ul><ul><li>Hours </li></ul><ul><li>Hours to days </li></ul>Performance <ul><li>Dynamic workloads </li></ul><ul><li>Heavy transaction volume </li></ul><ul><li>High performance </li></ul><ul><li>Constant workloads </li></ul><ul><li>More read access than writes </li></ul><ul><li>Moderate performance </li></ul><ul><li>More read access than writes </li></ul><ul><li>Internet performance </li></ul><ul><li>Not applicable </li></ul>Recovery Point <ul><li>Seconds </li></ul><ul><li>Seconds to minutes </li></ul><ul><li>Minutes to hours </li></ul><ul><li>Up to 24 hours </li></ul><ul><li>Up to 72 hours </li></ul>
  26. 26. Questions to Ask <ul><li>How much storage do I have now? </li></ul><ul><li>How quickly is it growing? </li></ul><ul><li>What are my business objectives? </li></ul><ul><li>Is my backup window shrinking? </li></ul><ul><li>How many vendor solutions are going into the mix and can my vendor support them all? </li></ul><ul><li>Do all the products work together? </li></ul><ul><li>What is the payback period (ROI/TCO) and SLAs? </li></ul><ul><li>How much administrative support do I need? </li></ul>copyright I/O Continuity Group, LLC
  27. 27. Traditional Direct-attached Hosts External SCSI Storage Array Parallel SCSI connection LAN Each server is separately attached to a dedicated SCSI storage array requiring high storage maintenance with difficult scalability and provisioning. Different vendor platforms cannot share the same external array. copyright I/O Continuity Group, LLC
  28. 28. FC SAN- attached Hosts FC Storage Array FC Switches 200 to 400 MB/s Tape Library Servers with NICs and FC HBA’s LAN FC SAN’s offer a dedicated block-level infrastructure independent of the LAN. Brocade copyright I/O Continuity Group, LLC
  29. 29. Why Virtualization? <ul><li>Next level of consolidation running on top of SAN for best performance and automation. </li></ul><ul><li>Consolidate multiple physical machines into “Virtual Machines” on fewer physical servers . </li></ul><ul><li>Allows rapid deployment of new applications by simple right click operation. </li></ul><ul><li>Less hardware means: </li></ul><ul><ul><li>Less energy consumption , heat-generated to be cooled, datacenter space occupied and IT staff. </li></ul></ul><ul><ul><li>ROI and TCO are maximized </li></ul></ul>copyright I/O Continuity Group, LLC
  30. 30. Server Consolidation <ul><li>New virtualization solutions gaining popularity </li></ul><ul><ul><li>VMware – Fortune 100 market niche </li></ul></ul><ul><ul><li>Virtual Iron – SMB market niche </li></ul></ul><ul><ul><li>Windows Server 2008 Hyper-V – July RTM </li></ul></ul><ul><li>Must have “shared storage” SAN in place to optimize key virtualization features: </li></ul><ul><ul><li>Live Server migration (move virtual machines on-the-fly) </li></ul></ul><ul><ul><li>Load balancing workloads </li></ul></ul><ul><ul><li>High Availability for no downtime </li></ul></ul>copyright I/O Continuity Group, LLC
  31. 31. Physical Servers represent the Before illustration. “ Converter” migrates the physical machines over to Virtual Machines running on ESX in the After illustration. copyright I/O Continuity Group, LLC
  32. 32. Virtualization-Value Proposition <ul><li>Automation and management </li></ul><ul><li>Obtain much higher utilization out of your hardware assets while building a more robust infrastructure at the same time </li></ul><ul><ul><li>If a physical server fails, a “Virtual Machine” moves itself </li></ul></ul><ul><ul><li>Once installed, solution runs by itself* </li></ul></ul><ul><ul><li>Infrastructure become management-free </li></ul></ul><ul><li>** Requires a properly designed SAN foundation </li></ul><ul><li>Initial complexity can be simplified </li></ul><ul><ul><li>One-time migration of physical servers to virtual servers </li></ul></ul><ul><ul><li>One vendor organizing all the details. </li></ul></ul>copyright I/O Continuity Group, LLC
  33. 33. Phases of Virtualization Adoption <ul><li>Separate software from hardware , with ability to have multiple copies of a working software configuration that can be cloned. </li></ul><ul><li>Separate software from the server, with the ability to run more than one isolated application on a physical server (utilization levels). </li></ul><ul><li>Ability to run software in virtual machines and dynamically move across physical boundaries. </li></ul><ul><li>Service broken things without interruption of server & dynamic allocation of apps & new capacity. </li></ul><ul><li>Manage and automate how application goes through disaster recovery . </li></ul>copyright I/O Continuity Group, LLC
  34. 34. SAN + Virtualized Hosts FC Storage Array FC Switches 200 to 400 MB/s Tape Library LAN FC SAN’s offer a dedicated block-level infrastructure independent of the LAN. Brocade copyright I/O Continuity Group, LLC 2 to 20 VM’s on each server Virtualization server Virtualization server Virtualization server
  35. 35. SAN Extensions <ul><li>FC SANs are limited in their connection distance to around 500 km. </li></ul><ul><li>Disaster recovery sites may exceed FC distance from your datacenter. </li></ul><ul><li>Data replication solutions can bridge the gap moving data from the storage stack to the standard networking stack. </li></ul>copyright I/O Continuity Group, LLC WAN connection Datacenter Co-Lo
  36. 36. Questions to ask <ul><li>How many servers do I currently have and how many do I add every year? (aka server sprawl) </li></ul><ul><li>How much time do IT staff spend setting up new servers with operating system and applications? </li></ul><ul><li>How often do my servers go down? </li></ul><ul><li>Is our IT budget shrinking? </li></ul><ul><li>How difficult is it to convert a physical machine to a virtual machine with each option? </li></ul><ul><li>What hardware and guest OS’s are supported? </li></ul>copyright I/O Continuity Group, LLC
  37. 37. The Technical Expertise <ul><li>We are vendor-certified on supported platforms and hardware, including: </li></ul>copyright I/O Continuity Group, LLC
  38. 38. Vendor Neutral <ul><li>There are four main benefits to designing SAN’s independent of any single equipment vendor. </li></ul><ul><li>The relative importance of these benefits will change depending on your priorities and which vendors you choose. The benefits in some cases * are: </li></ul><ul><ul><li>Lower costs </li></ul></ul><ul><ul><li>Getting the best possible technology </li></ul></ul><ul><ul><li>Greater flexibility for future technology improvements </li></ul></ul><ul><ul><li>Non-proprietary and non-exclusivity models </li></ul></ul><ul><ul><li>* DOES NOT APPLY TO ALL VENDORS </li></ul></ul>copyright I/O Continuity Group, LLC
  39. 39. Trusted Advisor <ul><li>I/O Continuity Group will help you: </li></ul><ul><ul><li>Integrate a “no downtime” solution </li></ul></ul><ul><ul><li>Demystify technology and jargon </li></ul></ul><ul><ul><li>Blend all technologies into one whole strategy </li></ul></ul><ul><ul><li>Save costs on equipment, energy and services </li></ul></ul><ul><ul><li>Increase your ROI while reducing your TCO </li></ul></ul><ul><li>Once SANs are setup, they run non-disruptively with minimal administration and scale (grow) dynamically. </li></ul><ul><ul><li>The question is not IF but WHEN you should adopt or expand a SAN. </li></ul></ul>copyright I/O Continuity Group, LLC
  40. 40. I/O Continuity Group Process copyright I/O Continuity Group, LLC Assess Design Implement Train Manage <ul><li>Assess: New or existing SAN </li></ul><ul><li>Design: Follow vendor roadmaps </li></ul><ul><li>Implement : Apply best practices </li></ul><ul><li>Train : IT staff to provision storage and troubleshoot </li></ul><ul><li>Manage : Easy-of-use with seamlessly scalable solution </li></ul>End-to-end Data Center Management
  41. 41. The Engagement Process <ul><li>The transformation begins with our services </li></ul><ul><ul><li>From simple “starter” SAN solutions </li></ul></ul><ul><ul><li>To complex, scalable development and virtualization. </li></ul></ul><ul><li>We make the process easy to understand: </li></ul><ul><ul><li>Free pre-assessment </li></ul></ul><ul><ul><li>Design based on business objectives </li></ul></ul><ul><ul><li>Deploy and integrate entire “best practices” solution </li></ul></ul><ul><ul><li>Train IT staff to “confidently” administer and monitor </li></ul></ul><ul><ul><li>Maintenance contract for dynamic storage provisioning </li></ul></ul><ul><li>Once deployed we will help you maintain and expand your capacity dynamically over time. </li></ul>copyright I/O Continuity Group, LLC
  42. 42. Visit www.iocontinuitygroup.com Let us help you and your customers flip the switch! copyright I/O Continuity Group, LLC
  43. 43. David Paquette, Technical Analyst copyright I/O Continuity Group, LLC

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