Recent Posts

Major HCL changes for the vSphere Storage Appliance (VSA)

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The VMware Hardware Compatability List (HCL) has been dramatically relaxed for the vSphere Storage Appliance (VSA). VMware now simply requires that the RAID controller used by the hosts participating in the VSA cluster be certified – there is no longer a requirement to seperately certify the server. So long as the Raid Controller is certified Read more...

Virtual Flash (vFlash) Tech Preview

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This is the third and final tech preview of storage features which were shown at VMworld 2012. Already we have looked at two tech previews – Distributed Storage and Virtual Volumes (VVOLs). This next feature is vFlash or Virtual Flash, and will look at a project underway here at VMware to integrate local flash devices Read more...

New VAAI Whitepaper now available

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A new white paper entitled VMware vSphere Storage APIs – Array Integration (VAAI) is now available. You can download the paper from the VMware Technical Resources web site here. This paper includes a description of all of the VAAI block, NAS & Thin Provisioning primitives. It also looks at how VAAI in implemented in our Read more...

Updated VMFS Whitepaper now available

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A new version of the VMFS Technical Overview and Best Practices white paper is now available. It has been updated for vSphere 5.x & VMFS5. You can download the paper from the VMware Technical Resources web site here. This new paper has been updated with VMFS5 limits, and also includes discussions around interoperability with newer Read more...

What is Software Defined Storage? A VMware TMM Perspective

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I’m posting this from a train which is currently hurtling its way across the middle of Ireland. I’m on my way to meet our friends at NetApp, whose Insight conference takes place in Dublin this week. We’ll be catching up later to talk about many of the storage previews and visions announced at VMworld 2012. Read more...

@VMwareStorage – November Speaking Engagements

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I have a very busy November ahead of me, and I thought I would share my speaking engagements in EMEA with you in case you are in the vicinity of any of these events and would like to attend. My speaking sessions will include a combination of new and improved features in vSphere 5.1 and Read more...

Considering VSA for ROBO? Please read this!

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After fielding a number of questions around this topic recently, its come to my attention that there is a misunderstanding on how to implement the vSphere Storage Appliance (VSA) for certain ROBO solutions. The requirement around the tie-breaker code (VSA Cluster Service) is either misunderstood or misinterpreted when it comes to 2 node VSA deployments Read more...

VSA v5.1.1 Released

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An updated version of the vSphere Storage Appliance (VSA) was released yesterday (Oct 25th). This 5.1.1 version is primarily a maintenance release and contains the following fixes as documented in the release notes. While upgrading from VSA 1.0 to VSA 5.1, if you run install.exe without any parameters, the existing VSA 1.0 clusters are deleted. Read more...

Virtual Volumes (VVOLs) Tech Preview [with video]

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Disclaimer : This a Technology Preview. This functionality is not available at the moment. It is simply demonstrating the exciting prospects that the future holds for storage related operations within the virtual world. Following on from some of the major storage announcements made at VMworld 2012 this year, I wanted to give you an overview Read more...

Have you seen the VSA 5.1 Evaluation Videos yet?

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For those of you interested in a low cost shared storage solution, VMware now have a vSphere Storage Appliance (VSA). The initial release (1.0) came out last year. This year, we announced version 5.1 with a bunch of new features. To get you started on your evaluation of the VSA 5.1, a number of evaluation Read more...