Scott's Weblog The weblog of an IT pro specializing in virtualization, networking, open source, and cloud computing

CPU Spike with DRS and VMotion

An issue has been discovered that can cause a CPU spike when VMotion is used in a DRS-enabled cluster with ESX Server 3.5 and VirtualCenter 2.5. It is my understanding that this can occur with both DRS-initiated VMotion operations as well as manually-initiated VMotion operations.

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Leopard Upgrade

So I upgraded my laptop this past weekend to Mac OS X version 10.5, aka “Leopard”. I’ve been reasonably pleased with the upgrade so far.

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Sorry

Apparently my site was compromised and some offensive ads were placed at the top of the site. I’ve removed the ads and the code that placed them there and have taken steps to ensure that we don’t have an issue like this again. Additional steps may be necessary, so be patient with me as I work this out.

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New VDI Article at SearchVMware

The fine folks over at SearchVMware.com have published another of my VDI articles, this one focusing on the connection broker’s integration into Active Directory:

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Good Podcasts

Up until now, I haven’t really messed around with listening to podcasts. I know all about them, what they are, how they work, and all that wonderful jazz. But I typically have not listened to podcasts at all.

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Proving VMware Over NFS

I’m a fan of using NFS for VMware; I’ve mentioned it before. I’m not the only one, either; there have been a number of recent blog entries from various people regarding the use of NFS for VMware:

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ESX Server 3.0.1 Patch Needed for VC 2.5

A notice about a potential interaction between ESX Server 3.0.1 and VirtualCenter 2.5 just shot through my e-mail, and I thought it important enough to post here.

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Local Logins Refused in AD Integration Scenarios

A customer with whom I had worked to fully integrate their ESX Server systems into Active Directory—using my instructions here—had run into a problem. The problem was that local logins were refused when the Service Console lost network connectivity. Clearly, this was a problem; if the customer couldn’t login as root when the network is down, even locally at the console, then we have problems. So I set out today to isolate and fix the problem.

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LACP with Cisco Switches and NetApp VIFs

In my previous article about using NetApp multi-mode VIFs with Cisco switches, I mentioned that you could—at that time—only use 802.3ad static link aggregation:

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VMware HA Clarification?

VMwarewolf posted an update today intended clarify the behavior of VMware HA admission control:

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