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.

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.

Diskeeper Corporation at Interop New York

by Colleen Toumayan 27. September 2010 09:11

Diskeeper Corporation is glad to announce exhibiting at the upcoming Interop New York show, "The Leading Business Technology Event"

The show is October 20th and 21st at the Javits Center.  Come by and see us at booth 725. We will have free trialware of Diskeeper 2010 performance software, V-locity 2.0 virtual platform disk optimizer, and Undelete 2009 real time data protection software.

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Channel | Defrag | Diskeeper | HyperBoot | Undelete | Updates | virtualization | V-Locity

Reduced Downtime From HDD failures

by Colleen Toumayan 24. September 2010 09:30

This is from one of our customers: “The biggest benefit from Diskeeper I see is not so much in direct user experience, but rather reduced downtime from HDD failures which in turn saves me money in capital expenditures as I can squeeze more life out of my hardware. By continuously keeping the drives defragged, they don’t have to work as hard when files are accessed, and therefore don’t have to absorb the same level of wear and tear which equates to longer life with fewer replacements etc. Typically when machines leave warranty, the HDD is one of the first components to die but with Diskeeper, the HDD stay healthy and operational much, much longer so I can extend my hardware refresh cycle from 3 years to 4 or 4 ½ years and refocus my capital dollars on more strategic initiatives.

Michael Moffatt, Manager, Desktop Engineering & Operations, CenterBeam SaaS Operations

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Defrag | Diskeeper | HyperBoot

New V-locity update (build 2.0.25)

by Michael 1. September 2010 04:14

We have a new update available for V-locity 2.0 users. Here is a list of fixes and features we added:

Fixed several 508 compliance issues in the UI.

Fixed a communication error message in the UI.

Fixed a problem with VMware host service start.

Fixed a synchronization problem in environments with a very large number of physical disks.

Fixed a Guest/Host synchronization problem with ESX Server 4.1 (GOS with V-locity Guest did not appear in Host UI).

Fixed several crashes in the debug build of the Windows service.

Added Group Policy support.

 

Added SCOM support. A SCOM Management Pack for V-locity is included with a license of Diskeeper Administrator.

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Updates | V-Locity

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