vCenter Single Sign-On – Part 3: Availability
Before we continue with the pre-requisites and installation of SSO we need to complete the planning of our vSphere install/upgrade design and this includes the desired level of availability required,...
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Auto Deploy Stateless Caching – How Does Stateless Caching Work?
vSphere 5.1 introduced a new Auto Deploy mode referred to as Stateless Caching and I’m finding there is a good deal of confusion about the benefits of stateless caching, particularly when it comes to...
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Which Products Do I Have Installed From The vCloud Suite?
This was a question I received this morning on how to programmatically identify which products have been installed from the VMware vCloud Suite in a given environment. There are a variety of use cases...
View ArticlevSphere Data Protection – Interesting Lab Validation Report
I don’t typically write a blog article about another blog article as that seems kind of silly. However, I found the following information quite interesting so below is a quick summary and link which...
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Auto Deploy Stateless Caching – Stateless Caching and Network Isolated Hosts
In my last post I gave a quick overview of how stateless caching works. In this post I want to begin looking at the role stateless caching plays in protecting against various outage scenarios. When...
View ArticlevCenter Single Sign-On – Part 4: Pre Install Requirements
The installation of vSphere vCenter Sign-On is a relatively a straight forward process when planned correctly and as there are many factors of the environment that the installation process will touch,...
View ArticleDownload VMware Network Virtualization Design Guide
I am happy to announce the availability of the VMware Network Virtualization Design Guide. This guide provides an overview of the key attributes of network virtualization technology. Then the paper...
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Auto Deploy Stateless Caching – Stateless Caching and PXE Infrastructure...
So far I’ve introduced Auto Deploy Stateless Caching and discussed its role in helping to facilitate troubleshooting in the event that an auto-deployed host should ever become isolated on the network....
View ArticlevCloud Director Cell Recommendations for JVM Heap Size
I was recently asked to provide a recommendation for tuning the JVM heap size on vCD 1.5 cells. In researching this I pulled up the vCloud Director Performance and Best Practices white papers for vCD...
View ArticleVMware vSphere Data Protection Advanced is Generally Available
Hopefully, you have heard about it by now: VMware vSphere Data Protection (VDP) – the backup and recovery solution introduced with VMware vSphere 5.1. It is based on EMC Avamar to provide reliable,...
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Auto Deploy Stateless Caching – Auto Deploy Server Outage
Continuing my blog series on auto deploy stateless caching. So far I’ve covered how stateless caching works, how stateless caching works with network isolated hosts, and how stateless caching can help...
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vCloud Networking and Security 5.1 Edge Gateway High Availability
One of the many noticeable changes introduced with the vCloud Networking and Security 5.1 release is the availability of different sizes of Edge Gateway appliances: compact, large, and x-large. Large...
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vSphere Data Protection Error 30931 Failed to Initiate Backup or Restore
I ran into an interesting vSphere Data Protection (VDP) error: Error Code 30931: Failed to initiate a backup or restore for a virtual machine. Probable cause is the datastore for the virtual machine is...
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How To Re-Initialize The vCloud Director Appliance Without Redeploying?
This was a question I received on Twitter from Christopher Wells this morning asking if it was possible to re-initialize the vCloud Director Appliance. This was not something I had done before nor had...
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How Many Link Aggregation Groups (LAGs) on a Host ?
In one of my earlier posts on “vSphere5.1 – VDS new Features”, I had discussed the LACP feature and stated that only one Link Aggregation Group (LAG) could be configured per VDS per Host. However, it...
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New Fling: vCenter 5.1 Pre-Install Check Script
What is a fling? For those of you who are new to VMware flings, a VMware fling is meant to be an application or a feature which was produced internally and could be useful to customers, not a fully...
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How To Prevent Host Profiles From Prompting for MAC Addresses
I’ve been asked several times if there is a way to get a host profile to stop prompting for MAC addresses. This is actually pretty easy, although arguably not very intuitive. Lets start with a quick...
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Quiescing Oracle Database on Windows for Backup with VMware vSphere Data...
VMware vSphere Data Protection Advanced (VDPA) was announced in February and the bits just became generally available last week. One of the issues corrected with the release of VDPA was quiescing with...
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Locating vCloud Director Syslog, Installation ID & Other Settings Using The...
A few weeks back I needed to find the syslog settings for vCloud Director using the vCloud API for some testing, but after a bit of browsing through the vCloud API Reference, I was not able to find it....
View ArticleESXi Slow Boot with MSCS
This is an issue that has come up time and time again. The basic gist of the problem is that when there are Microsoft Cluster Service (MSCS) virtual machines deployed across ESXi hosts (commonly...
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