Archive for November, 2010

Setup cannot create vCenter Server Directory Services instance

Posted on November 30th, 2010 in Tips, vCenter | 1 Comment »

While doing the VMware vCenter 4.1 setup on Windows 2008 R2 recently, I have encountered a problem “Error 28038. Setup cannot create vCenter Server Directory Services instance” after re-setup vCenter server.

The solution is simple as below:

Remove Active Directory Lightweight Directory Services (AD LDS) server role on Windows Server 2008.

  • Click Administrative Tools
  • Click Server Manager
  • Click Roles
  • Click Remove Roles
  • Click Next
  • Un-check Active Directory Lightweight Directory Services
  • Click Next
  • Click Remove
  • Click Close

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Simplify DR replication in Virtual VS Physical

Posted on November 26th, 2010 in Data Center, Operating Systems, Storage, Virtualization, vSphere | No Comments »

I had gone through numbers of interesting discussions with the users I met in the past which talk about the disaster recovery plan in their current and future environment. DR is not a new topic for every enterprise environment, but it is always important for the enterprise environment to have DR in place due to business critical and compliance purposes.  While virtualization continue penetrate into enterprise environment by taking mission critical workload, Disaster Recovery solution become a must to be consider which may require users to redesign their DR solution.

Traditional legacy or standalone environment, we often realize there are many solutions perform replication from primary data center to DR center via host base, storage base or image base replication. All of them has the pros & cons depend what is the objective of the specified DR project users are looking at. DR consistency and usability during DR scenario & practices always the biggest challenge in every IT department today.

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Site Recovery Manager are not supported with vCloud Director

Posted on November 10th, 2010 in Announcement, Server, vCloud, Virtualization, vSphere | No Comments »

While vCloud director is the hot topic now for private cloud computing solution from VMware, some of us may overlook into certain requirements that may require Site Recovery Manager for DR solution. If you run in to this situation, the current version of vCloud director may not be the option for you. SRM are officially not supported with vCloud director, which been informed during the official training class and the official reference document you can read from here. You may want to wait for the update release in the future if you plan to have SRM in your private Cloud environment with vCloud director.

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Performance Overview charts fail after Daylight Savings changes are applied

Posted on November 9th, 2010 in Announcement, Tips, vCenter, vSphere | No Comments »

Some of you may experience the issue from vCenter once the day light saving changes are applied. The performance record and data from vCenter will not be shown.

Official KB 1030305

Please refer the full KB here. The temporally work around solution are included in the KB as well. According to the KB, this only happen on vCenter 4.1

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Private Cloud Computing & IT Operation Compliance

Posted on November 7th, 2010 in Data Center, Tips | No Comments »

Private Cloud computing had become a key focus in our region started from early this year. Many of the enterprise users are looking into providing IT as a Service to the business unit by adopting to Private cloud computing in their existing IT infrastructure. While Cloud computing become very efficient by offering on demand & utility base computing, self service management and others offering, some of us may had forgotten about the Internal IT operation compliance such as Incident, Problem, Change & Release management as an example. Are we going to revamp the entire process to bring private cloud computing into the environment? I am doubt about this, at least most of the users or client that I met, they will definitely require the compliance to stay on even the move to private cloud computing environment today or tomorrow.

Prior to the cloud computing solution roll out in the enterprise environment, we should spend more time to understand the road map and methodology to ensure the success roll out for the entire solution. Some features or functionality may or may not require to certain environments.

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