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Greg Schulz
Greg SchulzGreg Schulz is Founder and Sr. Analyst of independent IT advisory and consultancy firm Server and StorageIO (StorageIO). He has worked in IT at an electrical utility, financial services and transportation firms in roles ranging from business applications development to systems management and architecture planning. Greg has also worked for various vendors in addition to an analyst firm before forming StorageIO. Mr. Schulz is author of several books (Cloud and Virtual Data Storage Networking – CRC Press, The Green and Virtual Data Center – CRC Press, Resilient Storage Networks: Designing Flexible Scalable Data Infrastructures – Elsevier), active with social media with his engaging approach and a top ranked blogger. He has a degree in computer science and master’s degree in software engineering. Learn more at www.storageio.com

SSD options for Virtual (and Physical) Environments Part III: What type of SSD is best for you?

February 27, 2012
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SSD options for Virtual (and Physical) Environments Part III: What type of SSD is best for you?

Part 1 of this series laid out the basics of nand flash SSD with part II discussing endurance and performance. This part looks at SSD options for virtual servers, vdi or virtual desktop as well as storage for physical server environments, your usage and configuration criteria will have a bearing on what type of SSD…

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SSD options for Virtual (and Physical) Environments, Part II: The call to duty, SSD endurance

February 16, 2012
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SSD options for Virtual (and Physical) Environments, Part II: The call to duty, SSD endurance

Let’s continue by taking a look at endurance for storing and retaining data using nand flash SSD. The importance of the first part of this series is to understand the basics of nand flash based SSD in order to make informed decisions on what is the best for your virtual or physical environment. In addition…

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SSD options for Virtual (and Physical) Environments: Part I Spinning up to speed on SSD

February 9, 2012
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SSD options for Virtual (and Physical) Environments: Part I Spinning up to speed on SSD

Solid-state devices (SSDs) are data storage memory (Figure 1) mediums that utilize semiconductor based memoires as opposed to magnetic media found in hard disk drives (HDDs) or magnetic tape. Semiconductor memories include ultra fast volatile dynamic random access memory (DRAM) commonly found as main memory (e.g. RAM) in servers along with and non-volatile memory (NVM)…

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Why VASA is important to have in your VMware CASA

September 20, 2011
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There are many enhancements and new features that are part of VMware vSphere V5.0 from a storage and I/O perspective (See VMware vSphere v5 and Storage DRS posts). One of those enhancements is a new Application Programming Interface (API) called VASA (vSphere Aware Storage API) which joins other VMware vSphere APIs some of which are…

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Windows boot IO and storage performance impact on VDI

August 10, 2011
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Windows boot IO and storage performance impact on VDI

With Virtual Desktop Infrastructures (VDI) initiatives adoption being a popular theme associated with cloud and dynamic infrastructure environments a related discussion point is the impact on networks, servers and storage during boot or startup activity to avoid bottlenecks. VDI solution vendors include Citrix, Microsoft and VMware along with various server, storage, networking and management tools…

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VMware vSphere v5 and Storage DRS

August 5, 2011
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VMware vSphere v5 and Storage DRS

Recently VMware announced version 5.0 of their vSphere virtualization solution with a theme of reducing complexity, enabling automation, and supporting scaling with confidence. As a key component for supporting cloud, virtual and dynamic infrastructure environments, vSphere V5.0 includes many storage related enhancements and new features.

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Getting SASy, the other shared storage option

February 24, 2011
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Serial Attached SCSI (SAS) is better known as an interface for connecting hard disk drives (HDD) to servers and storage systems; however it is also widely used for attaching storage systems to physical as well as virtual servers. An important storage requirement for virtual machine (VM) environments with more than one physical machine (PM) server…

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Self Encrypting Disks (SEDs)

February 14, 2011
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The next true IT industry revolutionary product will be software, virtualization and cloud technology that does not require underlying physical hardware resources (servers, network and disk storage). While we wait for that revolutionary technology to appear outside of marketing or computer generated animations, there remains the need to protect cloud and virtual environments and their…

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