Jul 20

Passed VCP 5 - IaaS Exam

Category: vCloud

Finally I’ve completed my VCP Cloud certification program by getting passed VCP 5 - IaaS exam today with 443/500 score. There are two paths actually to earning the certification as you can find it here. Since I already took my VCP-DCV last February, I just need to pass this IaaS exam to earn the VCP Cloud certification.

My resources for the exam are:

  • VSP - Cloud(Cloud - IaaS 5) - VMware Partner Portal
  • VTSP - Cloud(Cloud - IaaS 5) - VMware Partner Portal
  • Youtube - Install & Configure vCloud Director
  • vCloud Director Networking for Dummies

Of course, it’s a two weeks preparation with couple of previous real hands-on experience installing & configuring vCloud director for the customer. By the way, to setup your own vCloud Director lab is also recommended. Remember, it’s 85 multiple choices question and you will be giving 90 minutes to complete all the questions. As far as I remember, there are just few questions related to Chargeback & vCloud director troubleshooting. The rest is more on vCloud Director networking.



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Jun 4

vExpert 2013 List

Category: Nox

The announcement has been made for vExpert 2013 recently. I’m so delighted to be part of this group again. Congrats to all vExperts and a big Thanks to John for his effort. You can get the official list from here.


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Mar 21

System Center Service Manager 2012 - VMware vCloud Infrastructure

Category: vSphere

Obviously, a standard workflow or process for private vCloud Infrastructure is the next thing that everyone should have it. Just recently I have had implemented it for one of my customer and ONLY then I realized that how important this is for you to drive your IT Service process in professional way and meet compliance standard. I have never thought before that the whole request process for vCloud resources can be simplified dramatically. Imagine the whole automation request for vCloud resources starting from service request, approval and automation can be made by end-user through interactive self-service portal provided by Service Manager. This will indeed can help us to increase IT productivity, reduce costs and follow the best practice.


Although at this moment, there is ONLY vSphere integration pack currently available for Orchestrator Runbook 2012, but still you can create a simple custom activities by using a combination of Batch, Powershell & Powercli scripts for your Cloud resources operation. Once you have this baseline runbook, then at anytime you can enhance it to become more complex runbook such as by adding email notification once request is made and approved.


All the status of the activities then can be reviewed by end-user as well from the moment that the service request is being submitted and till completed. Believe it or not, it will just take a moment to complete the whole process and holla, your vApp is ready.



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Mar 12

P2V Redhat 6.3

Category: vSphere

As per my collegue, you can P2V Redhat 6.3 via converter standalone 5.0.1 and the process is very akin to what we did to Centos 6 before. However, my colleague has told me that the conversion finally had stopped at 99% with error message “RHEL version not supported by reconfig” and further check with VMware KB we’ve found out here that this Redhat 6 is currently not supported by converter 5.0.x. We tried to reboot the VM and although it managed to boot up halfway, it will stuck at the well known check point with next error message (Kernel Panic), but at least we know that the grub is working as expected.

I believe this is not the end of the world and in order to solve the issue, I’ve asked my colleague to bring back the image so that I can fix it. Before that, make sure your Redhat 6 VM is using at least LSI Logic SAS or else, it will not able to detect the disk. Next, reboot your VM with Redhat Rescue disk, make sure the image is mounted at /mnt/sysimage and chroot, remake initrd so that mptscsih driver can be injected into new initrd, remove unnecessary LV parameter from grub.conf and then modify fstab file accordingly. Finally, reboot the VM and holla, your Redhat 6.3 is should be ready.




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Jan 26

V2P - Windows Server 2008 R2 VM to HP Proliant MicroServer

Category: vSphere

In year 2009, I did tried to do my first V2P for SLES 9 virtual machines by using “partition image” and Yast repair. Although the migration had completed successfully but the overall process was quite messy. Time has moved on and now there are so many tools available in the market which can also do the same things but with less headache. Platespin and Acronis for example has gained tremendous popularity for its capability of doing V2P migration to a dissimilar hardware. But let alone those two and let see how I did V2P migration for Windows Server 2008 R2 VM (ESXi 4.1) to HP Proliant MicroServer using Dell Appassure.



  • Source - Windows Server 2008 R2(VM), 2x vCPU, 2GB ram, 20GB vdisk
  • Target - HP Proliant Microserver(Physical) 8GB ram, 149GB x2 HDD (no raid)
  • Tool - Dell Appassure 5.3.1(VM)
  • Speed - 1GbE

The overall process can be summarized as below:

  • Dell Appassure Core Installation (Server)
  • Agent Installation (Client)
  • Machine Protection
  • Initiate Backup (Base Image)
  • Bootable CD
  • Roollback
  • Bring up the machine Read more

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Jan 13

vCenter SSO - Configuration

Category: vSphere

Everyone should know what would such SSO is very important for vCenter 5.1 installation. It’s a main requirement for vSphere Web Client and there is absolutely no way that we can by pass it. However, I don’t have any intention to discuss on how to install SSO since the process is rather straight forward and you can search it on the internet. I’m more interested to share on what to do next once you finished installing your vCenter in your environment so that you can manage it through vSphere Web Client.


First, we must verify that your vCenter successfully registered in the vSphere Web Client through Lookup Service or else, you won’t see it under your inventory pane. Before that, please add vCenter local administrator to this SSO administrator group. Read more

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Jan 6

High CPU Usage on VMware Workstation 9.0.1

Category: VMware

The issue has been reported long time ago since VMware Workstation 6 but unlike it predecessor, I really have a very good experience with version 7. But since yesterday when I upgraded it to version 9.0.1, this well known issue have suddenly came again and put me in disbelief of it overall performance.


First thought, it could be due to my WinXP which is not with the latest SP (i.e SP3) but some other forumer also having the same issue though their machine is up to date. So, unwilling to do a major changes on my machine, I did some checking on my hardware as below:

  • AMD-v Capability Athlon X2 64 4000 = Yes
  • Bios AMD-v Virtualization = Enable
  • Motherboard Latest Bios = Yes
  • Latest ATI Display Driver = Yes

So, everything seems alright but why the CPU is going like crazy when there is only one Linux VM has been put online? Some more, the VM has been configured with ONLY 1x vCPU and 128MB of ram. The available physical memory is far more than enough to run another 10x VMs with the same spec. But then surprisingly when I tried searching here and there, accidentally I had clicked a “Home” tab in VMware Workstation 9 and of course this will automatically close the console/screen of your VM. This is when I noticed my CPU usage suddenly getting low and maintain it in between 0% to 3%.


To be honest, until now I don’t have any explanation on this and would appreciate if someone can shed some light on how to permanently overcome this issue.



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