Eight Top Challenges of Virtualization Management

 
 
By Dennis McCafferty  |  Posted 10-31-2014 Email
 
 
 
 
 
 
 
 
 
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    Resource Estimate Misfires
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    Resource Estimate Misfires

    If you underestimate the amount of RAM you need upfront, you could shortchange the number of virtual machines you attempt to run on your host hardware.
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    Unleashed Virtual Machines
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    Unleashed Virtual Machines

    Yes, you can create dozens, or hundreds, of virtual machines on a single host. But without capacity management, some could consume all resources while leaving none for the others.
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    Sprawl
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    Sprawl

    The creating of an army of virtual machines can also throw workflows off-balance, given the complexities they can bring to provisioning and operational tasks.
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    Continuity
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    Continuity

    Unlike a PC environment, virtual machines can't be backed up to an actual hard drive. That's why 80% of IT pros say virtualization backup is a top tech challenge.
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    Security
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    Security

    Six of 10 IT pros say data protection is a top tech challenge. As virtual machines proliferate, a lack of tech and business alignment on practices and procedures elevates risk.
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    Backward Compatibility
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    Backward Compatibility

    This is especially challenging for enterprises which still depend upon a wealth of legacy systems.
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    Performance Monitoring
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    Performance Monitoring

    Unlike physical servers, you can't monitor the performance of virtual servers with common hardware resources such as CPU, memory and storage.
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    Licensing Restrictions
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    Licensing Restrictions

    Because virtualization might change the way licensed app infrastructure software behaves, you could violate agreements with your vendor. That may expose your organization, liability-wise.
 

Virtualization now accounts for one-half of all server workloads—and it should reach more than 85 percent by 2016, according to Gartner. The benefits are many: Virtualization can reduce server incidents by 27 percent, system downtime by 26 percent and app-to-market time by 22 percent, according to research from VMware. It allows IT to better respond to customer and stakeholder requests, while reducing hardware and maintenance costs. Like any major tech initiative, however, the migration of existing tech to a virtualization environment presents many challenges. Virtualization projects can take on a wealth of new complexities which inspire many questions: What kind of resource investments will be required to support it? How do we deal with backup? Will our mission-critical apps be secure? To highlight the various, potential pitfalls, we're presenting the following eight top virtualization challenges. They are adapted from a number of online resources, including those posted by Ramco, an enterprise resource planning company; and ManageEngine, an IT management business. For more about Ramco's top challenges, click here. For more about ManageEngine's, click here.

 
 
 
 
 
Dennis McCafferty is a freelance writer for Baseline Magazine.

 
 
 
 
 
 

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