don’t just manage your virtualized it infrastructure...
TRANSCRIPT
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Don’t just manage your virtualized IT infrastructure,master it
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Introduction
Managing a virtualized environment to achieve agility, flexibility and availability, without losing control, requires solutions
designed specifically for dynamic virtualized and cloud environments. Virtualization and cloud management solutions
provide increased levels of automation and policy-based service assurance at every layer of a modern IT architecture. This
automated, intelligent, policy-driven management is an intrinsic part of introducing high service levels to the business, while
keeping costs and complexity under control. This eBook will help you better understand virtualization and service oriented IT
as business management tools that will help you develop a more manageable and dynamic data center.
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What are you faced with?
Moving to a virtualized infrastructure or cloud environment is about maximizing ROI in IT, providing business agility, and
achieving greater IT efficiency. The largest part of the cost savings from server virtualization is gained from running the
largest number of virtual machines you can on your physical host servers, without running out of resources. This last part,
“without running out of resources,” is what, without proper monitoring, can cause downtime and poor performance from
a virtual infrastructure that was originally envisioned to save the day. Virtualization admins love the power of virtualization,
but, along with it comes the challenge of optimizing resources and ensuring that there are not too many but never too few.
Admins must constantly predict and prevent the proverbial virtual machine that “breaks the camel’s back.”
In addition to capacity planning, admins are faced with ever-expanding virtualized infrastructure or cloud environments,
and the number of virtual servers and the complexity of the virtualized applications never decrease. As more people learn
that virtualized servers are cheaper to obtain and faster to deploy, more and more virtual machines are added to the virtual
infrastructure. For example, Tier-1 applications are being supported and perform better, causing increased adoption of the
virtual infrastructure. Desktop virtualization (or VDI) is gaining popularity and acceptance. And finally, cloud infrastructures
are making VM deployment a self-service task. All of these factors are increasing the number of VMs and every new VM
requires backup, licensing, reporting, and administration from the virtualization admin.
With the move to cloud computing, these challenges are even more evident. Performance and capacity management are
becoming inseparable due to the dynamic nature of converged infrastructure. Traditional tools and processes designed
for siloed, static physical infrastructures don’t provide the automation and control needed to effectively manage highly
virtualized and private cloud environments.
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What are you faced with?
As the ESG Research graph below shows, the majority of virtualization admins feel that the greatest management challenges
related to virtual infrastructures are troubleshooting, capacity monitoring, and performance management.
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Top 6 challenges facing virtualization admins
Data centers have been facing capacity challenges since their inception, prior to virtualization. However, the main goal of
virtualization, to maximize physical server utilization, can compound the problem.
Besides capacity challenges, what are the top challenges facing virtualization admins?
1. Understanding complex virtual infrastructures
Virtualized infrastructures are, initially, much more complex to understand than traditional physical server data centers.
Virtualization brings advanced features that, while highly beneficial and desirable, also require advanced knowledge to
administer and manage.
For example, the memory over commitment feature allows you to allocate more memory to running virtual machines
than the server has available. When virtual machines aren’t using all the memory allocated, this memory can be used
by another VM that needs it. This is a powerful feature that maximizes VM density on each server, but can also cause
performance issues if too much memory is active and physical server memory is exhausted. Another impressive, and
popular, feature is High Availability and Distributed Resource Scheduler (HA/DRS). Most companies running VMware’s
vSphere use these features to keep applications performing as well as hosting them on redundant hardware to ensure
they are available. However, resources associated with a HA/DRS-enabled cluster must be monitored so that they are
not unduly taxed resulting in performance degradation or downtime. Again, virtualization offers powerful features, but
employing them also requires a higher level of knowledge than those managing a traditional physical infrastructure. Just
as virtualization admins must have greater understanding of complex virtual infrastructure, they also need the appropriate
capacity and performance tools.
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Top 6 challenges facing virtualization admins (continued)
As the ESG Research graph shows, whether you are a server, network, or storage admin, virtualization requires more
expertise to be administered properly.
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Top 6 challenges facing virtualization admins (continued)
2. Traditional tools don’t work
Most traditional physical server administration tools just don’t understand the virtual infrastructure. They can recognize
that the virtual machines are servers but they don’t understand the relationship between the virtual guest machines and
physical host servers. Because of that, their performance data isn’t accurate and they don’t see the whole picture. You
need performance and capacity tools that understand the virtual infrastructure and the complex relationships between the
virtual machine, host server, virtual devices, resource pooling, and the effects of advanced features like vMotion.
3. Lack of smart analytics and recommendations
Even if you do use performance tools that understand the virtual infrastructure, you need more than just pretty charts
– you need actionable intelligence. For example, you don’t want to get an alert that “CPU Ready on Host #1 is > 10%”.
You need a tool that will tell you that “host 1 is running low on CPU capacity and you need to consider moving a virtual
machine to another host that has available CPU resources, such as host 2 or 3.” Or, you don’t want to just know that “disk
latency is > 25ms.” You need to know that “SAN #1 has too many active virtual machine disks located on it. Suggest
using Storage vMotion to move VM A and B virtual machine disks to SAN #2 to alleviate contention.”
4. Lack of smart alarms
In addition to having a tool that understands the analytics of the virtual infrastructure well enough to make smart
recommendations, you also want a tool that sends you an alarm or alert only when necessary. You don’t need an alert
for every virtual machine on a host when the host fails. You just need one alert that tells you “a host failed, that 9 of
the 10 VMs were brought up on other hosts, and that 1 VM needs your attention.” You also need a tool that understands
the difference between normal usage and a real anomaly. A payroll server may get hit heavily twice a month, but that’s
normal. You don’t need a false alert when everything is performing as planned.
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Top 6 challenges facing virtualization admins (continued)
5. Lack of proactive tools
There are many tools that tell you when you have a problem in the virtual infrastructure, but very few can actually predict
a problem before it happens. For example, you would be better off with an alert that says “you will run out of memory
on host 3 in 5 days” than one that informs you that “host 3 just ran out of memory so get ready to listen to end users
complaining”. This way, you have time to take action to solve the problem before end users are affected.
6. Lack of regulatory and SLA compliance data
Few tools have the ability to understand the regulatory requirements for the virtual infrastructure. Also, most tools don’t
offer the ability to understand your service level agreements (SLA). This is critical because you don’t just need to know
that the virtual infrastructure is okay, you need to know if the response from the virtual machines is in compliance with
your promises to your customers in terms of performance and security.
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The solution: Move from managing to mastering
The solution to these virtualization challenges is to move from managing the virtual infrastructure to mastering it. You need
to be proactive rather than reactive, and to move from being in firefighting mode to fire prevention. This isn’t going to
happen by managing your virtual infrastructure with Post-It notes and spreadsheets. Complex virtual infrastructure and cloud
management require smart tools that are designed to solve the real-world challenges you face every day.
As the ESG Research graph below shows, the greatest needs of virtualization admins are related to capacity and performance
management. At Softchoice, we are confident that your real-world experience will confirm the same thing.
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The three key capabilities you need to move from managing
your virtual infrastructure to mastering it are:
1. The ability to proactively ensure that the performance of
business applications running in your virtual/cloud infrastructure
is sufficient to meet SLAs and/or make the business owner happy
2. The ability to ensure continuous compliance with operational and
regulatory requirements through reports generated by a tool that
knows the virtual infrastructure and your applications
3. Optimization of resource utilization and cost across the entire
virtual infrastructure
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VMware vCenter Operations Manager Suite 5.0
One of the newest and most powerful virtualization capacity and performance management tools is vCenter Operations
Manager Suite 5.0. provides you with proactive insight into virtualized and physical environments. Closely integrated with
vSphere and vCenter, vCOPS collects data from multiple sources within your environment and presents it within a highly
intuitive interface under a single pane of glass.
Going well beyond simple alerting, vCOPS provides current status on the health, risk, and efficiency representing their
status with red, yellow and green badges. Badges can be drilled down from the cluster and host level to the VM level. This
allows administrators to quickly determine the root cause of a problem and greatly reduces the time and effort required to
remediate issues.
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VMware vCenter Operations Manager Suite 5.0 (continued)
By using collected historical data, vCOPS models the future performance of VMs, hosts and clusters. This data is then
provided as a risk score along with a notification of how much time remains until an application will be impacted by a
resource issue. With this view, administrators are able to solve the anticipated problem before end users are impacted.
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VMware vCenter Operations Manager Suite 5.0
vCOPS also helps admins optimize resources associated with VMs. Many highly virtualized environments make inefficient use
of resources because the VMs are allocated more processor, memory and disk capacity than they actually require. Through
the efficiency badge, administrators can determine which VMs are over provisioned and divert that capacity to utilize for
other VMs. This capability is also highly valuable in demonstrating ROI and justifying the requirement for additional
hardware capacity.
Components included in vCenter Operations Management Suite:
• vCenter Operations Manager
• vCenter Configuration Manager
• vCenter Chargeback Manager
• vCenter Infrastructure Navigator
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Third party connectors
Allows the capabilities of vCenter Operations Manager to be
extended to non virtualized physical hosts.
vCenter Operations Manager 5.0 is available in Standard, Advanced,
Enterprise, and Enterprise Plus editions allowing you to match your
level of requirement for monitoring and management.
vCenter Operations Manager 5.0 is also available through download
as a free 60-day trial at www.softchoice.com/vmware.
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Case study – LeasePlan There is no better proof of a tool’s value than to put it to a real-world test. Numerous companies have done just that (see
vCOPS Case Studies) and have seen first hand the visibility and performance management power that vCOPS brings to a
virtualization admin.
One of the most impressive examples of vCOPS usefulness and value comes from LeasePlan. At LeasePlan, they
implemented VMware vSphere and vCenter Operations Manager. By doing so, they were able to:
• Virtualize its Tier-1 business critical applications
• Consolidate 800 physical servers into the virtual infrastructure
• Manage performance and capacity effectively, preventing downtime caused by capacity bottlenecks before they happen
To see LeasePlan’s case study click here.
To see more case studies of vCOPS in action, visit VMware’s customer case study site.
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Common challenges of virtualization
• Understanding complex virtualization infrastructures requires
in-depth knowledge & experience
• Traditional physical server administration tools just don’t
understand the virtual infrastructure
• Lack of regulatory & compliance data
Learn more about how Softchoice partners with customers so
they can make informed decisions that reduce risks and gain
a competitive edge.
Together we can develop solutions that drive a better
business for you: » Contact Softchoice today for more
information.
Connect with us today. 1.800.268.7638 | www.softchoice.com/optimizedatacenter
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