One of the great virtualization and VMware features is the ability to take snapshots of a virtual machine. The snapshot feature allows an IT administrator to make a restore point of a virtual machine, with the option to make it crash consistent. This feature is particularly useful when [...]Read more VMware Large Snapshot Safe Removal
Recently I have seen an issue after upgrading some of our Dell R6xx hosts to 5.5 U2, they started showing FCoE in the storage adapters and booting took a really long time. I looked into this and found that the latest Dell ESXi image also includes Drivers and scripts that enable the FCoE [...]Read more Dell VMware 5.5 FCoE Errors
In this article I will be showing you how to add vCenter logs to a syslog server, I currently use GrayLog2 as its a great free syslog server and does everything that I require.Read more Add vCenter Logs to Syslog Server (GrayLog2)
What is NUMA? Most modern CPU’s, Intel new Nehalem’s and AMD’s veteran Opteron are NUMA architectures. NUMA stands for Non-Uniform Memory Access. Each CPU get assigned its own “local” memory, CPU and memory together form a NUMA node (as shown in the diagram below). Memory access [...]Read more NUMA and vNUMA made simple!
In this article I am going to take you through what a Distributed switch or dvSwitch is and how it is used, I will also talk about why backing them up is so important, then show you how to backup by hand and with the help of some PowerShell scripts I have created for you.Read more VMware Distributed Switches (dvSwitch)
It is my experience that resource pools are nearly a four letter word in the virtualization world. Typically I see a look of fear or confusion when I bring up the topic, or I see people using them as folders. Even with some other great resources out there that discuss this topic, a lack of […]Read more Understanding Resource Pools in VMware
I recently required a syslog server that was easy to use with a web interface to monitor some customers firewalls. I had been looking at Splunk but due to the price of this product it was not a viable option for what I required. After a little searching I came across Graylog2 which is an […]Read more Graylog2 CentOS Installation