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VAAI vStorage API for Array Integration RSS

Offloading tasks to Storage Systems

Analyzing VAAI Statistics on ESXi Hosts - YouTube 5:22

Ever wondered how to see VAAI (vStorage APIs for Array Integration) in action on your vSphere host? Learn how to see which VAAI primitives are supported by your storage devices, along with how to see the VAAI statistics in real time.

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Check ESXi Host VAAI with PowerCLI

  vStorage APIs for Array Integration, or VAAI, allows the vSphere ESXi hosts to offload some of their storage workloads to the Storage arrays. Some of these workloads might be Storage vMotion a VM or provisioning a vmdk among others. VAAI is gen ...
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vSphere 5.5 & the Isilon NFS-VAAI Plugin (Jase's Place)

Just a quick heads up for anyone running vSphere 5.0/5.1 with the Isilon NAS-VAAI plugin for vSphere/OneFS 7.0. If you are planning to upgrade to vSphere 5.5, there are a couple things to know. The plugin does not work in 5.5 (new or upgraded) installati ...
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How to – disable and enable VAAI on an ESXi Host

There are not many reasons why you want to disable VAAI on your ESXi hosts…But sometimes you have to… for example, if you need performance logs to compare VAAI and non-VAAI behavior on your NetApp Storage *grr* You can enable and disable VAAI on your ESX ...
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Articles & Tutorials: vSphere Storage (Part 2) - A VAAI Primer

Introduction Storage provides critical foundational support for a vSphere environment. It also happens to be one of the most expensive single infrastructure investments made by an organization. As such, ensuring that this investment is maximized to its f ...
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Infinio – Why cache to disk when you can cache to RAM

Way back in April I had the opportunity to meet with a start-up called Infinio to participate in a review of their UI.  I had no idea going in what the product was about but was quickly floored by their vision and potential.  Infinio will have t ...
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Articles & Tutorials: vSphere Storage (Part 1) - A VAAI Primer

Introduction Storage provides critical foundational support for a vSphere environment. It also happens to be one of the most expensive single infrastructure investments made by an organization. As such, ensuring that this investment is maximized to its f ...
Read More...

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VAAI-NAS – Some snapshot chains are deeper than others

This is something that was recently brought to my attention, and I wasn’t aware of this difference in behavior between the various storage vendors who implement VAAI-NAS. VAAI-NAS implements a number of different offload primitives, but the one we are int ...
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Nexenta 3.1.4 and beta Nexenta NFS VAAI Plugin released

Along with the release of NexentaStor 3.1.4, Nexenta Systems today officially released the NFS VAAI beta plugin for VMware vSphere 5.x via the community NexentaStor.org forums. VAAI-NAS is still not widely supported in the NAS world, and of those that do, ...
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NetApp Virtual Storage Console (VSC) for VMware - NFS VAAI Plugin

This video guides you through downloading, placement, and installation of the VAAI for NFS plugin 1.0 for VMware.

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VAAI and the Unlimited VMs per Datastore Urban Myth (VMware Virtualization Evangelist)

Speaking for myself, it’s hard to believe that just a little over 2 years ago in October 2010, many were rejoicing the GA release of vSphere 4.1 and its awesome new features and added scalability. It seems so long ago. The following February 2011, Update ...
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Verify VAAI from GUI and command line

How to verify if VMware VAAI is supported on the datastores is not totally straightforward. We shall see how to do this from both the GUI in vSphere client and from the command line through SSH. The VAAI (vSphere API for Array Integration) is a very usef ...
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VMware vSphere Performance: Solving CPU, Memory, Storage, and Networking Issues

This book for VMware admins is about performance and about how to solve some VMware vSphere 5 Performance issues. Solving CPU, Memory, Storage, and Networking Issues can be challenging. This book, with a step-by-step instructions, will show you how to sol ...
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Using VAAI ATS capable array and VMFS-5?

I have just been informed that this issue was fixed in vSphere 5.0 Update 1. The KB article and 5.0 U1 release notes will be updated shortly. If you are using a VAAI ATS capable array and VMFS-5 you might want to read this KB Article. The article describ ...
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Using ESXTOP to check primitive stats

Yesterday a comment was made around a VAAI primitive on my article about virtual disk types and performance. In this case “write same” was mentioned and the comment was about how it would not be used when expanding a thin disk or lazy zero thick disk. Now ...
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VMAX and vSphere VAAI XCOPY update!

All – as everyone is realizing, while “VAAI support” is a tickbox for storage vendors – vendor implementations vary wildly, and that means different things all over the place. I’ve done a series of webcasts that dive deep into the VNX VAAI implementation ...
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Technical White Paper - VMware vSphere Storage APIs Array Integration ( VAAI )

In a virtualized environment, storage operations traditionally have been expensive from a resource perspective. Functions such as cloning and snapshots can be performed more efficiently by the storage device than by the host. VMware vSphere® Storage APIs ...
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How to see if a Device/Datastore supports VAAI on ESXi 5 using ESXTOP or ESXCLI

Previously, using my home lab environment I had wondered how to check to see if my shared storage was using VAAI (VMware Storage APIs for Array Integration) – this is a technology that provides hardware acceleration functionality for your storage in vSphe ...
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Increasing Storage vMotion Performance with Unified VMFS Block Size VAAI

I ran into this gotcha on site and thought I’d share on the blog for others who may also be impacted and unaware of it. In this particular situation, an environment that was upgraded from vSphere 4 to vSphere 5 was experiencing slower than expected storag ...
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