Downtime and data loss in virtualized environments news, help and research

Downtime and data loss in virtualized environments News

September 22, 2011 22 Sep'11
Hyper-V 3.0 shared-nothing live migration a boon for small shops

Shared-nothing live migration in Hyper-V 3.0 will improve small IT shops’ planned maintenance prospects, but the technology comes with some limits.
September 16, 2010 16 Sep'10
KVM supports live migration without shared storage

A new Red Hat utility could solve long-standing problems with live migration of virtual machines and even enable the move to public clouds. But users remain cautious.
March 24, 2008 24 Mar'08
XenServer gains fault tolerance with Marathon Technologies

Marathon Technologies' fault-tolerant software for physical servers now keeps Citrix XenServer virtual machines up and running during hardware failures.

Bring yourself up to speed with our introductory content

Set up VMware VM Encryption for hypervisor-level security

Learn how to set up and run the new VMware vSphere 6.5 VM Encryption feature to improve security by bringing encryption to the hypervisor level. Continue Reading
Virtualized firewall servers and other bad ideas

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
What are the best backup methods and tools for my VMs?

Choosing the wrong VM backup methods and tools could cause major problems in your infrastructure. Avoid the headaches by remembering the basics. Continue Reading

Weigh the pros and cons of technologies, products and projects you are considering.

To virtualize or not: Workloads that should stay physical

While virtualization can bring many advantages, it may not be the right approach for every workload. Continue Reading
Can you recover data after an unwanted Hyper-V Checkpoint restoration?

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
Get the upper hand on virtual machine sprawl

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

Learn to apply best practices and optimize your operations.

Effectively communicate and troubleshoot an upgrade failure

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
How do you verify a HA server or cluster is working?

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
Protect your virtual infrastructure from a single point of failure

Removing every potential failure point is usually prohibitively expensive. Instead, start by mapping potential failures and assessing business needs. Continue Reading

We’ve gathered up expert advice and tips from professionals like you so that the answers you need are always available.

Respond to your first hypervisor host crash

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
The details and dangers of using Hyper-V checkpoints

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
Capacity planning strategies for successful failover clusters

Larger failover clusters improve resource utilization, but could also leave you vulnerable if you don't design around your biggest VMs. Continue Reading