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Peter Velikin

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Top Stories by Peter Velikin

The initial release of VeloBit HyperCache on May 7 included support for Linux. Since then we have added support for other platforms (OpenVZ, KVM, Xen) but didn’t make a big to-do about them. Our upcoming releases are Windows and Hyper-V. And I’m excited about our second major platform announcement at VeloBit: Yesterday we added full support for VMware as well as Citrix XenServer. That means that VeloBit HyperCache now offers the broadest support for operating systems and hypervisors of any SSD caching software while avoiding vendor lock-in. Also, we’re still happy to report that VeloBit HyperCache is delivering massive performance improvements. Demartek, an independent evaluator, benchmarked VeloBit and found that it increased VDbench performance by 4.35x -- you can see the difference in the graph below (from the Demartek report). The report also says that the "inc... (more)

Partition Alignment: The Key to SSD Performance

Another Reason Why SSDs Are Not HDDs It is fairly common knowledge that SSDs differ from HDDs in many ways.  SSDs have faster IO, have no moving parts, use less power and cost more money per gigabyte.  There are other, more subtle differences between the two storage devices and in this tech note I will focus on one of those. What Is A Disk Drive Partition? First, let me introduce the concept of a disk drive partition.  A ‘partition’ of a disk drive (either SSD or HDD) refers to a logical storage unit of a physical disk drive.  This allows a single physical drive to be t... (more)

How to Successfully Deploy SSD in the Enterprise

Register > Solid State Disk (SSD) technology is one of the hottest IT areas in 2012. The promise to eliminate storage IO bottlenecks and increase application performance, enable server virtualization, enable data center growth, and reduce IT costs has prompted 83% of all IT departments to consider SSD. But those planning an SSD deployment face a variety of deployment choices. Moreover, choosing poorly can yield large expense, disruption to existing IT environments, and a complex new set of storage management tasks. Join Brian Garrett, Vice President at the Enterprise Strategy Gro... (more)

OCZ Vertex 4 low performance with firmware 1.3

We test the performance of our SSD caching software constantly using various Solid State Drives in the VeloBit lab. So when an SSD acts strange, it throws off our testing and merits some investigation. We recently encountered inconsistent and low performance with the relatively new OCZ Vertex 4, running firmware 1.3. For example, in the below tests it delivered the extremely low 15 MB/s write, and only around 100 IOPS with 128 KB random writes. The search for a solution Just as IT users should be, we are extremely concerned with performance when the SSD is experiencing write ampli... (more)

Doggin’ It with VDI

Hey there; the IT Dog back with some color commentary on our VDI experience. When I first heard the name, I thought VDI was the latest model Volkswagen diesel, but as the guy with the suit explained in the last blog, VDI is Virtual Desktop Infrastructure.  Now that you know what VDI means, I am sure you know all there is to know about it, right?  Well, I wish it was that easy for me. Where Do I Begin? I guess I’ll start from the beginning.  At my company, my IT guys were at their wits end trying to manage the 1000 or so desktops, spread out over four different locations, with va... (more)