Archive for August 2011
I had an issue with SCVMM today that was new where with trying to remove a host cluster on of the Hosts became stuck in a pending state and would not finish the process of removing itself. The agent removed itself from the host correctly, but the entry within VMM would not.
After trying a more an more common task of modifying the host status within VMM database with SQL Management Studio without luck, I came across Chris’s Blog who had the solution to the same problem and I wanted to highlight his work.
After a bit of VMM database surgery, the Host entry was cleaned up perfectly and all is now stable and working perfectly. Thanks Chris.
Go HERE for the detail of this solution.
MVPs Aidan Finn, Damian Flynn, and Hans Vredevoort have put together a survey on your uses of Hyper-V and various System Center products. If you get a chance, take a few minutes and fill it out. No personal information is gathered and results will be displayed on their sites. Help continue the growth of Hyper-V and share your honest answers with the community. Just finished mine.
UPDATE: Results are in. Below is a link to the report and raw data from Aidan Finn’s site.
Traditionally, many organization have utilized standalone hosts for test/dev VMs, but when does it start to make sense to place these workloads on a highly available clustered environment similar to your production VMs? Where as there are less hard dollar savings justification for test/dev VMs, making it harder to convince your management of the merits of this option, there are certain questions to ask that can help you determine if this option is right for your organization.
In my recent article for SearchServerVirtualization.com I look at some of the questions to ask whether using highly available hosts for you test VMs too. Click HERE for my take on the following questions.
Why consider a virtual server cluster for test/dev?
What are your service-level expectations?
What are the hours of operation for test/dev environments?
What are the downsides of high availability?
Does downtime have a financial effect?
Does cost overrule the benefits of a virtual server cluster?
The SearchServerVirtualization.com Advisory Board looks at how VMware’s recent licensing changes toward a more usage based model might effect your organization.
What are the implications of usage-based virtualization licensing models on IT shops?
Rob McShinsky, Dartmouth-Hitchcock Medical Center
As VMware leads the drive towards the global eventuality of metered service — and as they try to capitalize on their current market dominance — expect to see further refinement of their pricing and licensing model. As for Hyper-V and XenServer, licensing will stay fairly simple (and host based) in order to try to undercut VMware primarily on price, at least for now.
Metered pricing will necessitate changes in management applications to further monitor usage, and in turn, costs. Server sprawl will now equate to increased costs, so additional controls on self provisioning will be critical. Responsible vendor coding and remediation of leaky applications will also be necessary to keep unforeseen costs down.
As utility-based licensing models begin to proliferate, cost savings focus less on hard dollars and more on ease of management. With this change, finding the sweet spot in terms of price and performance will determine the future success of your IT projects.
See all the responses from the Advisory Board HERE.