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Performance Management and Capacity Planning in VMware® and Hyper-V® environments
 

Performance Management and Capacity Planning in VMware® and Hyper-V® environments

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For more information on Virtualization Manager, visit: http://www.solarwinds.com/virtualization-manager.aspx ...

For more information on Virtualization Manager, visit: http://www.solarwinds.com/virtualization-manager.aspx

Watch this webcast: http://www.solarwinds.com/resources/webcasts/performance-management-and-capacity-planning-in-vmware%C2%AE-and-hyper-v%C2%AE-environments.html

Watch this webinar with Scott Lowe, Founder and Managing Consultant at The 1610 Group, and SolarWinds virtualization expert Brian Radovich. You'll learn about “Performance Management and Capacity Planning in VMware® and Hyper-V® environments”.

Implementing a management solution that is designed specifically for VMware and Hyper-V environments is critical to ensure that you are monitoring the metrics and issues unique to virtual environments. In this presentation, we will discuss:

• How virtualization affects each of the 4 traditional hardware resource areas
• The top areas you should be looking at when choosing a management solution for your virtual environment
• The reasons why you need to use management solutions that are designed specifically for virtualization.

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    Performance Management and Capacity Planning in VMware® and Hyper-V® environments Performance Management and Capacity Planning in VMware® and Hyper-V® environments Presentation Transcript

    • © 2012 SOLARWINDS WORLDWIDE, LLC. ALL RIGHTS RESERVED.
    • About the Speakers Scott Lowe • Founder and Managing Consultant, The 1610 Group • 18 years experience in the IT industry • Prolific author of thousands of articles and 3 books • Top virtualization blogger and vExpert Follow me on Twitter @otherscottlowe Brian Radovich • SolarWinds, Senior Manager of Product Management • 12 years of experience in IT industry • Expert in Storage and Virtualization - Slide 2 -
    • Agenda  Virtual environments unique challenges  How virtualization affects each of the 4 traditional hardware resource areas  Why you need a virtual management solution for a virtual environment  Best Practices » Performance Management » Capacity Planning & Management » Managing Storage I/O bottlenecks  Identify the 5 key areas a virtualization management solution should cover  Learn how SolarWinds can provide you the tools you need to properly manage your virtual environment - Slide 3 -
    • Virtualization is just another layer  Regardless of the hypervisor, Virtualization is just another layer in the computing stack  OS is encapsulated and becomes a virtual guest on a physical host server  A virtual machine becomes a set of files that reside on a host datastore  Virtualization layer is designed to be invisible Modify This Footer: View -> - Slide 4 -
    • Virtualization – a game of smoke & mirrors  VMkernel handles access to physical resources  VMM emulates hardware and maps virtual to physical hardware  Guest OSs are not designed to share hardware  Hypervisor tricks VMs into thinking they have exclusive hardware access - Slide 5 -
    • How resources differ in virtualization CPU Resources  VMs only see vCPUs assigned regardless of physical host CPUs  Hypervisor utilizes CPU scheduler for to allocate physical CPU time  Proportional share-based scheduling algorithm prioritizes requests  Scheduling can cause delays as hypervisor searches for available CPU  Delays grow as hypervisor struggles to keep up - Slide 6 -
    • How resources differ in virtualization Memory Resources  Hypervisor maps virtual memory (vRAM) to the physical memory  Possible to overcommit physical RAM to VMs (thin-provisioning)  Page sharing & ballooning used conserve physical RAM  Swap file when physical RAM exhausted  Swapping to disk significantly impacts performance  Memory statistics can be very confusing - Slide 7 -
    • How resources differ in virtualization Disk Resources  Virtual disks exist as a single file on a datastore  Virtual storage controllers share the physical storage controller  VMs are unaware of underlying storage  Disk I/O requests queued for each VM – can lead to a delay on busy hosts  Disk is the slowest resource – excessive disk I/O can severely impact performance - Slide 8 -
    • How resources differ in virtualization Network Resources  Host runs virtual network similar to a physical network  Virtual NICs, switches & firewalls connect to physical network through physical uplinks  Virtual network traffic is not always visible on physical network  Virtual network components exist in host’s memory  Physical network tools cannot see all VM traffic - Slide 9 -
    • Virtual environments have unique challenges  VMs cannot be managed like physical servers » Can’t see virtualization layer using tools that monitor guest OS layer » Guest OS stats don’t reflect actual host stats, causing management and monitoring challenges » Must shift monitoring & management to virtualization layer using virtualization-aware tools  Must focus on managing virtual environment as a whole  Relationships between resources, VMs and hosts can be difficult to understand  Virtual environments are dynamic  Small things can have big ripple effects  Proper management tool ensures you can make informed decisions - Slide 10 -
    • Capacity Planning  Maintaining both sufficient capacity and planning for future growth is a non-stop job in a virtual environment  With shared resources, capacity planning can be tricky  Need to think of environment as a whole to ensure you add the right type and amount of resources where needed SolarWinds can help you:  Understand when you will run out of resources and automatically notify you if you have a pending resource shortage  Help you with your host failover capacity planning to ensure that you always have enough spare capacity to handle host failures  Enable you to do advanced what-if analysis so you can create models of scenarios that will impact your resource availability - Slide 11 -
    • Performance Management  Nothing can kill a virtual environment faster than not having adequate performance for all the VMs running in it  VMs are all fighting for limited host resources, need to ensure that they are getting the resources they need  If you don’t stay on top of performance in a virtual environment you’re asking for trouble SolarWinds can help you:  Identify problem areas through dashboards, automated alerts and reports targeting the key areas that can impact performance  Proactively monitor virtualization-specific performance problems  Troubleshoot application and workload issues in context of discovered virtual dependencies - Slide 12 -
    • Storage I/O Bottlenecks  Storage I/O bottleneck is one of the biggest threats to performance in a virtual environment  Also one of the more challenging issues to identify and resolve  Bottlenecks can happen as the result of many things such as configuration settings, improper architecture designs and poorly managed resources SolarWinds can help you:  Get detailed visibility into your storage subsystem so you can identify bottlenecks and deal with them  See detailed storage metrics such as latency, throughput and IOPs so you can see how your storage is performing and exactly what areas need to be addressed  Deeply analyze storage I/O problems - Slide 13 -
    • 5 important areas for virtualization mgmt The 5 key areas that you should ensure that your virtualization management solution addresses are: - Slide 14 -
    • SolarWinds® Virtualization Manager - Slide 15 -
    • Summary  Virtual environments have unique challenges & issues that require the proper tools  If you are going to invest in virtualization, you should invest in the proper management tools as well  Virtualization has enormous benefits and is a key enabler of cloud computing and disaster recovery  If not managed properly there is potential for creating problems that can easily erase all the benefits  SolarWinds Virtualization Manager can help you properly manage your virtual environment by covering the 5 key areas that can make or break your virtual deployment  Virtualization Manager manages both VMware® and Microsoft® Hyper-V® environments in a single pane of glass. - Slide 16 -
    • © 2012 SOLARWINDS WORLDWIDE, LLC. ALL RIGHTS RESERVED.