Downtime and data loss in virtualized environments News
September 22, 2011
Shared-nothing live migration in Hyper-V 3.0 will improve small IT shops’ planned maintenance prospects, but the technology comes with some limits.
August 19, 2011
A disgruntled ex-employee admitted to deleting VMs at the pharmaceutical company, highlighting the need for proper enforcement of access-control policies in virtual environments.
May 31, 2011
From managing backup copies to server-side SSD caching, users say emerging I/O redirection and optimization tools are key to managing storage in virtual infrastructures.
May 20, 2011
Segmenting data on separate physical servers isn’t the only way to ensure security these days. In many cases, virtualization does just as good a job.
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Virtualization is a great idea, but not for everything in the data center. Even if your goal is 100% virtualization, leave these servers off the list. Continue Reading
Administrators must implement a level of resilience and availability that is appropriate for each individual workload. Continue Reading
Careful selection of hardware and software technologies can improve virtual server reliability and ease the additional risks virtualization adds. Continue Reading
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While virtualization can bring many advantages, it may not be the right approach for every workload. Continue Reading
If you mistakenly restore a VM to a previous state, have you forever lost changes that were made after the Checkpoint was created? Continue Reading
Virtualization has made allocating data center resources an easy process—perhaps too easy. Irresponsible virtual machine provisioning can gradually lead to the type of inefficiencies that virtualization set out to eliminate. VMs created for use in a... Continue Reading
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When you're dealing with an upgrade failure, it's extremely important to not only communicate with end users and management, but also to understand the limitations of backups. Continue Reading
I want to ensure server high availability in my production IT environment. Is it better to test server HA and risk disruption, or trust in the systems' reliability? Continue Reading
Removing every potential failure point is usually prohibitively expensive. Instead, start by mapping potential failures and assessing business needs. Continue Reading
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Though the benefits of virtualization outweigh the risks, a host server crash is extremely visible and causes concern with management. Be prepared to respond with efficiency. Continue Reading
Reduced performance and potential disk shortages can cripple the very VMs you're hoping to protect if you don't use Hyper-V checkpoints correctly. Continue Reading
You may not be able to avoid a server fault, but you can mitigate its affect by distributing critical workloads across multiple physical servers. Continue Reading