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Nutanix Erasure Coding-X

29 June 2015
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One of the big announces at the .NEXT Conference, was the introduction of erasure coding across nodes (in RAIN configuration) in Nutanix Operating System (NOS) version 4.1.3 (actually it’s a tech preview).

Nutanix Erasure Coding–X (EC-X) is a proprietary, native, patent pending, implementation of Erasure Coding. With EC-X, Nutanix customers are able to increase their usable storage capacity by up to 70%.

As written in a previous post, Erasure Coding (EC) is a way to implement data proctection in storage systems instead of using RAID techniques.

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Erasure Coding and RAIN

26 June 2015
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When you talk about data protection against hardware failure in storage system, probably RAID (Redundant Array of Independent Disks) is the first technology that you think.

RAID could be hardware or software based, and in the second case it can be implemented (with functions similar to RAID, but not necessary the same) also at the filesystem level (think about ZFS, for example).

But with the new hard disk drive (HDD) capacities edging upwards (6TB HDDs are now available) the traditional RAID is becoming increasingly problematic both for the rebuild time and the bottleneck related to each single disk.

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Parallels Desktop: a good choice for MacOSX users

25 June 2015
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Parallels is a well know company in the virtualization ecosystem and has some interesting solutions: Parallels Desktop 10 for Mac (to run Windows and other OSes on your Mac), Parallels Access (a simple remote access to your Windows or Mac computer from anywhere), Parallels Mac Management for Microsoft SCCM (able to extend your existing SCCM infrastructure to discover, enroll, and manage Mac computers the same way you do PCs, all through a single pane of glass), all 2X Software solutions and products (Parallels has acquired this company on Feb 2015) and Odin (formally the cloud service called Parallels Service Provider Business).

If you have a Mac, probably it’s a vendor that you have to consider for their solutions and products.

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Book review: VMware vRealize Orchestrator Cookbook

24 June 2015
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Orchestration in VMware environments is something still not so well explored and explained.

Historically there was only vCenter Orchestrator from one side (if you are looking something at high level) and scripting from the other (if you know PowerShell or other scripting languages). Now for the first part there is vRealize Automation, but still the Orchestrator part could be necessary (for example to use vRealize Automation with VMware NSX).

The book “VMware vRealize Orchestrator Cookbook” has the ambition purpose to explain how to master the configuration, programming, and interaction of plugins with Orchestrator to efficiently automate your VMware infrastructure.

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Book review: vCenter Troubleshooting

23 June 2015
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VMware vCenter Server is a critical component in a vSphere environment, because is needed to provide some cluster functionality. A good design and deployment (that are different from version 5.x and 6.0) are important to avoid possible issues. And, of couse, a good availability of this kind of service.

Troubleshoot this component is not always simple and there are a lot of VMware KB articles, but not a good single resource from where start in this kind of tasks.

The purpose of this book is really clear from the title itself (vCenter troubleshooting) and the authors are valuable guys from the IT world with great skill (including a VCDX).

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Some changes to CloudPhysics Free Edition

22 June 2015
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CloudPhysics will make some changes to their Free Edition, effective July 1, 2015:

  • The newly updated Amazon Web Services Hybrid Cloud Cost Calculator is being moved from our Premium Edition to the Free Edition. With this card, in just minutes you will be able to assess the cost of migrating some or all of your vSphere infrastructure to AWS.
  • CardBuilder is being moved from CloudPhysics’ Free Edition and will now be available only to our Premium Edition customers.

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VMware PEX will be replaced by Partner Business Summit

22 June 2015
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VMware Partner Exchange (PEX) was a big event (usually in February) for all VMware partners: like a VMworld, but smallest and for several aspects better (see VMware PEX 2013: Why attend).

I’ve attend at PEX 2010 (where I had also my VCDX defense) and PEX 2013 and I consider this event really valuable for VMware’s partners with good technical sessions (better than in VMworld, in my opinion).

But seems that this year’s VMware Partner Exchange conference will be the last. Going forward, VMware will morph PEX into VMWorld and add the Partner Business Summit 2016 for the business audience within its partner base.

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