VMware had done the best job since they introduced vmotion and cold migration which allow us to move the state of the virtual machine from 1 Host to another with or without down time. In virtualization, it encapsulated the entire Server into the virtual machine format and it is hardware independent. Therefore you can always move from 1 host to another without having re-install or reconfigure your operating system or application.
Well, since we had achieved this in virtual environment, what about physical environment?
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VMware’s Technology Day is a deep-dive seminar designed toward individuals responsible for maximizing technology infrastructure efficiency and optimization within their organization. VMware Technology Day 2010 will focus on Desktop Virtualization, Infrastructure Management & Automation and Cloud Computing.
Explore and discover the latest virtualization and cloud computing technology and solutions in this complimentary one-day event that will showcase how VMware and our partner organizations are revolutionizing the next generation of computing.
Your Opportunity
Technology Day will provide you with the opportunity to find out how to
- Transform Your Technology Infrastructure and Deliver IT as a Service
- Automate, Simplify & Control Your Desktop Infrastructure Environment
- Control & Manage Application Migration (focusing on Win 7) With Ease
- Build and Manage Security Within A Virtual Environment
- Guarantee SLA Performance Management & Delivery
- Automate Capacity Measurement, Analysis and Management
- Integrate Services For Seamless Project Plan, Design and Implementation
Who Should Attend
Technology Day 2010 has been designed for end-users, implementers, influencers and decision makers focused on Cloud, Desktop, Datacentre and Application infrastructure within their organization. Your attendance will ensure that you receive the latest and most relevant virtualization technology update to bring back to your office.
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Some interesting finding to share during the last migration I did. I was performed the cold migration for all the virtual machines on the production. Before we migrated over to the new SAN storage, all the current virtual machines are running with thin provisioning enable from vSphere 4. During the storage migration process, you will need to choose either same as source, thin provision or none thin provision. I had chosen same as source option and perform the storage vmotion. After the storage vmotion done, I realized that the virtual machine had no longer with thin provision enable.
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Long distance VMotion had been officially supported since Sep 2009.
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I am currently doing some test to simulate the real update requirement for my production VMware Farm to be upgraded from ESX 3.5 to vSphere 4. To minimize the impact to our production system, we may want to do this with as minimal impact as possible. Due to the virtual hardware version and tools upgrade require, is pretty tough for us to perform the entire upgrade at 1 time. Therefore, our plan is get the host upgraded and follow by each individual virtual machine to be upgraded follow the suitable timing for different business unit. HA and DRS will need to be disable temp during the ESX upgrade.
I am able to get the ESX 3.5 to be manage by the latest vcenter. A vmotion from ESX 3.5 to vsphere 4 had been successes too, but the latest version of virtual machine which built from vSphere 4 might not compatible to vmotion back to the ESX 3.5 hosts. At the same time, if you have different processors chipset in the environment and require EVC to be turned on, it may be a little challenge to do so. You may want to ensure the EVC to be done with no down time. You may need to refer to my previous post about how to enable EVC with no down time.
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