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Dropping into an SSH session and running esxtop on an ESXi host can be a daunting task! With well over 300 metrics available, esxtop can throw numbers and percentages at sysadmins all day long – but without completely understanding them they will prove to be quite useless to troubleshooting issues. Below are a handful of…
Let’s face it! We live in a world now where we are seeing a heavy reliance on software instead of hardware. With Software Defined Everything popping up all over the place we are seeing traditional hardware oriented tasks being built into software – this provides an extreme amount of flexibility and portability on how we…
More often then not application owners look to their vendors to provide a list of requirements for a new project, the vendor forwards specifications that were developed around maximum load and in the age of physical servers. These requirements eventually make their way on to the virtualization administrators desk. 8 Intel…
In the past few years, there has been a lot of conversation around the “hypervisor becoming a commodity." It has been said that the underlying virtualization engines, whether they be ESXi, Hyper-V, KVM etc. are essentially insignificant, stressing the importance of the management and automation tools that sit on top of…
One of the good parts of my job consists in helping customers benefit from implementing virtualization management solutions. In most cases they start looking for solutions only after they experience problems. Slow VMs, slow applications, you know…. Then what? Fire in the house. The first person to call is the “guy who…
Latency is the principal enemy of an administrator. If your virtual infrastructure running smoothly and latency is at acceptable level then everything is fine, but if latency at the storage side or on the network goes through the ceiling, then you're in trouble. You might be also running very sensitive - from latency…
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