Iwan 'e1' Rahabok

Iwan 'e1' Rahabok is an engineer at VMware Cloud Management Business Unit, based in Singapore. Iwan specializes in SDDC Operations. Google "Operationalize Your World" for one deliverable of his work. In March 2016, Iwan authored a book on VMware Performance and Capacity Management. This followed the 1st edition, which was published in Dec 2014. The book can be found at Amazon or Packt. You can find the summary http://virtual-red-dot.info/vmware-performance-and-capacity-management-2nd-edition/ Iwan started the user community for ASEAN in 2008, and today the group is one of the largest VMware communities on Facebook with >4,000 members globally. He was recognized as vExpert since 2013 for his contribution to the VMware community. You can also find him at his blog http://virtual-red-dot.info or @e1_ang

Recent Posts

Capacity Management in SDDC – Part 9

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If you land into this Part 9 directly, I’d recommend that you at least review from Part 5 first. If you want to review from the conceptual stage, then go to Part 1. This is a series of blog post on Capacity Management in SDDC. Network (all tiers) To recap, we need to create the Read more...

Capacity Management in SDDC – Part 7

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In Part 5, I explained a new concept, where we use Contention as the basis of Capacity Management in SDDC. In Part 6, I provided the super metric equation for each charts. In this part, I will provide example of the super metric formula and dashboard screenshots. Tier 1 (Highest) To recap, we need to Read more...

Capacity Management in SDDC – Part 6

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In Part 5, I explained a new concept, where we use Contention as the basis of Capacity Management in SDDC. In this part 6, I will now provide the super metric formula for each charts. We will cover Tier 1, followed by Tier 2 and 3. Tier 1 (Highest) To recap, we do not have Read more...

Capacity Management in SDDC – Part 8

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If you land into this Part 8 directly, I’d recommend that you at least review from Part 5 first. If you want to review from the conceptual stage, then go to Part 1. This is a series of blog post on Capacity Management in SDDC. Tier 2 and 3 (lowest) To recap, you need to Read more...

Capacity Management in SDDC – Part 5

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Get the best performance and efficiency out of your vSphere infrastructure Conduct a free trial today by installing vSphere with Operations Management in your environment. Capacity Management policy is interlinked to the Performance Management policy and Availability Management policy. As shown in the diagram below, both Performance and Availability management drive your Capacity Management. The Capacity Read more...

Capacity Management in SDDC – Part 4

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In the previous post, I covered capacity management for the compute element of data center. In this post, I will cover storage and network. For the storage node, capacity management depends on the chosen architecture. Storage is undergoing an evolution with the arrival of the converged storage, which introduces an alternative to the traditional, external Read more...

Capacity Management in SDDC – Part 3

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In the previous post, I covered capacity management at VM level. In this post, I will cover capacity management at infrastructure level. At the infrastructure level, you look at the big picture. Hence, it is important that you know your architecture well. One way to easily remember what you have is to keep it simple. Yes, Read more...

Capacity Management in SDDC – Part 2

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Evaluate vSphere with Operations Management to deliver virtualization with consistent management In our previous post, we shared that capacity management in the software defined data center needs to be split into two aspects: VM level infrastructure level. In this post, I will cover capacity management at VM level. I shared earlier that this aspect should be managed Read more...

Capacity Management in SDDC – Part 1

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Capacity management changes drastically with virtualization. In this series of posts, we will explain why it is one of the areas that is greatly impacted by virtualization. We will cover the following: Why capacity management is split into 2 distinct areas How you should perform capacity management at the VM level How you should perform Read more...

Managing a Software Defined Data Center

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X86 virtualization has been around for more than a decade. We have now many first-hand experiences on the ramifications of virtualization in the data center. It has broken the boundaries between many infrastructure silos. The boundaries between the server team and the rest of the teams (storage, network, security, Windows, Linux, BCDR, management) have become Read more...