Archive for the ‘Operating Systems’ Category

Windows 8 doesn’t mean anything to the Virtual Desktop Strategy

Posted on September 8th, 2012 in Announcement, Industry News, Operating Systems, Virtual Desktop Infrastructure, Virtualization | No Comments »

I had been over excited by the public news been covered on Windows 8 official release. Of course, my buddies who are die hard fans to Microsoft had convinced myself to take a try on windows 8. My new DELL inspiron just arrive yesterday and I immediately loaded the windows 8 enterprise edition to the machine.

I would like to share some of the finding from my 1 day experience on windows 8.

Microsoft disable the start button on desktop is a major disastor. For task workers and power users, I will say the startup button with application shortcut is a MUST. The fancy new generation start button are too much into the tablet world and multi touch devices.

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Microsoft 2008 Cluster Bugs

Posted on August 17th, 2011 in Operating Systems, Server, Tips | No Comments »

Went through a marathon troubleshooting with my client for the past 1 week to figure out the reason why a cluster failed in place and it could not easily rebuild back after 1 of the node evicted. We had gone through the process to re image both nodes and rebuild from scratch. Follow exactly the best practices and run through the cluster validation without any error. While we try to form the cluster, the system keep provide an unknown error which do not share much information from log. It just keep telling you that the node is not reachable or unauthorized due to security setting.

After few nights of troubleshooting, I was running out of clue. Came to the sudden, I accidentally search the computer name in AD under the category of Users object group, and I found an user account been created in AD with the same name as we define on the cluster name. I was wondering whether this could caused the confuse to the system. Therefore, I was suggesting to remove the user name temporally as it was not use at the moment and tried to reform the cluster. Guess what, the cluster form up as it needed to be in less than 1 minutes. We were so happy to end the marathon troubleshooting every night well and we were also very pissed off with the bugs we face here.

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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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High Consolidation ratio in Virtualization

Posted on March 21st, 2010 in Operating Systems, Server, Virtualization | 5 Comments »

Recently I had gone through a lot of posts from the internet as well as some discussion I had with the persons I met, some of them are concerns about the increasing number of virtual machines into a single physical host which generally putting too much eggs in 1 bucket. They could be right in certain extend, but I will not say they are absolutely correct. They are few missing items that they had forgotten how the IT suppose to run before the virtualization came in to the market with all the capabilities they demostrated VS traditional physical systems.

You may have 30 to 50 VMs into single host today due to high density server with more CPU core or more memory per single system. In the next second, you may face the hardware failure on 1 of the host, there will be around 50 VMs down at 1 time and require another 20 mins before all the virtual machine could be successful restarted on the surviving host. Some of them may consider this is high impact, therefore you decide to restrict the number of virtual machine in single host around 10 to 20 VM per ESX. What happen next, the TCO is high, and ROI is not efficient.  Is a tough point for most administrators to choose in this scenario. I will urge you to backward a little bit and look at the scenerio again. Before Virtualization, all the business system that only invested with standalone server without physical clustering, they do not entitle any HA as the aware off. If they want a HA in physical system, they will had to invest extra CAPEX and OPEX to maintain a same set of hardware and operating system, just for failover purpose. Again, even the operating system clustering does not provide 100% uptime.

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Running Chrome OS on vSphere Update 1

Posted on November 25th, 2009 in Operating Systems, vSphere | No Comments »

Referring to NTPRO Download Chrome OS VMware image post, I’m managed to get Chrome OS running on vSphere update 1 as screen below:

Running Chrome OS on vSphere 4 Update 1

Please make sure you have selected Other 2.6x Linux 32bit as per your guest OS.

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