Condusiv Technologies Blog

Condusiv Technologies Blog

Blogging @Condusiv

The Condusiv blog shares insight into the issues surrounding system and application performance—and how I/O optimization software is breaking new ground in solving those issues.

$2 Million Cancelled

by Brian Morin 22. July 2014 08:52

CHRISTUS Health cancelled a $2 Million order.

Just before they pulled the trigger on a $2 Million storage purchase to improve the performance of their electronic health records application (MEDITECH®), they evaluated V-locity® I/O reduction software.

We actually heard the story first hand from the NetApp® reseller in the deal at a UBM Xchange conference. He thought he had closed the $2 Million deal only to find out that CHRISTUS was doing some testing with V-locity. After getting the news that the storage order would not be placed, he met us at Xchange to find out more about V-locity since "this V-locity stuff is for real."

After an initial conversation with anyone about V-locity, the first response is generally the same – skepticism. Can software alone really accelerate the applications in my virtual environment? Since we are conditioned to think only new hardware upgrades can solve performance bottlenecks, organizations end up with spiraling data center costs without any other option except to throw more hardware at the problem.

CHRISTUS Health, like many others, approached us with the same skepticism. But after virtualizing 70+ servers for their EHR application, they noticed a severe performance hit from the “I/O blender” effect. They needed a solution to solve the problem, not just more hardware to medicate the problem on the backend.

Since V-locity comes with an embedded performance benchmark that provides the I/O profile of any VM workload, it makes it easy to see a before/after comparison in real-world environments.

After evaluation, not only did CHRISTUS realize they were able to double their medical records performance, but after trying V-locity on their batch billing job, they dropped a painful 20 hour job down to 12 hours.

In addition to performance gains, V-locity also provides a special benefit to MEDITECH users by eliminating excessive file fragmentation that can cause the File Attribute List (FAL) to reach its size limit and degrade performance further or even threaten availability.

Tom Swearingen, the manager of Infrastructure Services at CHRISTUS Health said it best. "We are constantly scrutinizing our budget, so anything that helps us avoid buying more storage hardware for performance or host-related infrastructure is a huge benefit."

Read the full case study – CHRISTUS Health Doubles Electronic Health Record Performance with V-locity I/O Reduction Software

Webinar: Physical vs. Virtual Bottlenecks: What You Really Need To Know

by Damian 20. February 2012 07:05

Diskeeper Corporation recently delivered a live webinar hosted by Ziff Davis Enterprise. The principle topics covered were:

  • Measuring performance loss in Windows over SAN
  • Identifying client-side performance bottlenecks in private clouds
  • Expanding performance awareness to the client level
  • The greatest and often-overlooked performance issue in a virtual ecosystem

The webinar was co-hosted by:

  • Stephen Deming, Microsoft Partner Solution Advisor
  • Damian Giannunzio, Diskeeper Corporation Field Sales & Application Engineer

Don't miss out on this critical data! If you missed the webinar, you can view the recorded version online here.

Here are some additional, relevant resources:

White Paper: Diskeeper 2011: Improving the Performance of SAN Storage

White Paper: Increasing Efficiency in the IT Environment

White Paper: Inside Diskeeper 2011 with IntelliWrite

White Paper: Running Diskeeper and V-locity on SAN Devices 

New White Paper Urges Defrag for Virtual Environments

by Colleen Toumayan 27. September 2010 09:27

A new white paper, The Importance of Defragmentation in Virtual Environments, co-authored by Osterman Research and Diskeeper Corporation, demonstrates that virtual environments require defragmenting even more than physical environments. This is due to the fact that virtual environments support multiple operating systems and create a higher intensity of disk activity. 

“The need for defragmentation is even more acute in virtual environments,” the white paper states. “This is because physical hardware in a virtualized storage environment must support more operating systems and so can undergo even more disk access and more stress than in a non-virtualized environment. Further, disk I/O in one virtual machine has a cascading effect on disk I/O in other virtual machines, and so the problem of excessive disk I/O in virtual machines is, in fact, even worse than what would be experienced in a physical disk environment.” 

The white paper indicates that fragmentation, which reduces system performance in a physical storage infrastructure, can even create more of a performance loss in a virtual storage infrastructure. Virtual disks can become fragmented over time just like the physical disk or disks on which they reside. The result is a fragmented virtual disk on a fragmented physical disk—or fragmentation within fragmentation.  This data is especially important in light of the rapid growth of virtual environments. Organizations are particularly interested in virtualization due to its many benefits, which include reduced hardware costs, ease of adding additional capacity to existing infrastructure, ease of administration and maintenance, and simplified migration from one server to another.  Because of the complexity of I/O traffic in virtual environments, simple defragmentation is not enough to fully address the fragmentation issue. For that reason, Diskeeper Corporation has developed new technology for virtual environments, found in their V-locity™ 2.0 virtual platform disk optimizer. A recent product release for VMware and Hyper-V, V-locity 2.0 is the first optimizer that truly eliminates the barriers to full virtual efficiency. V-locity 2.0  employs IntelliWrite™ and InvisiTasking® technologies to both prevent a majority of fragmentation in the first place and to efficiently coordinate VM resources when defrag is running invisibly in the background. The complete white paper is located here.

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