Category: VMware

Reserve all guest memory (all locked)

Some applications do not perform well when memory is reclaimed from the virtual machine. Most users set a virtual machine memory reservation to prevent memory reclamation and to ensure stable performance levels.Memory reservation settings are

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PernixData Flash Virtualization Platform will revolutionize virtual infrastructure ecosystem design

A couple of weeks ago I was fortunate enough to attend a tech preview of PernixData Flash Virtualization Platform (FVP). Today PernixData exited stealth mode so we can finally talk about FVP. Duncan already posted

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Voting for the 2013 top virtualization blogs – A year in review

When Eric Siebert opens up the voting for the top VMware & virtualization blogs you know another (blogging) year has passed. First of all I want to thank Eric for organizing this year in year

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Implicit anti-affinity rules and DRS placement behavior

Yesterday I had an interesting conversation with a colleague about affinity rules and if DRS reviews the complete state of the cluster and affinity rules when placing a virtual machine. The following scenario was used

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HA Percentage based admission control from a resource management perspective – Part 1

Disclaimer: This article contains references to the words master and slave. I recognize these as exclusionary words. The words are used in this article for consistency because it’s currently the words that appear in the

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Have you signed up for the Benelux Software Defined Datacenter Roadshow yet?

In less than 3 weeks time, the Benelux Software Defined Datacenter Roadshow starts. Industry-recognized experts from both IBM and VMware share their vision and insights on how to build a unified datacenter platform that provides

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VCD and initial placement of virtual disks in a Storage DRS datastore cluster

Recently a couple of consultants brought some unexpected behavior of vCloud Director to my attention. If the provider vDC is connected to a datastore cluster and a virtual disk or vApp is placed in the

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Using Remote desktop connection on a Mac? Switch to CoRD

One of the benefits of working for VMware technical marketing, is that you have your own lab.Luckily my lab is hosted by an external datacenter, which helps me avoid a costly power-bill at home each

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Expandable reservation on resource pools, how does it work?

It seems that the expandable reservation setting of a resource pool appears to be shrouded in mystery. How does it work, what is it for, and what does it really expand? The expandable reservation allows

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vSphere Storage Area Network Traffic system network resource pool -NetIOC

After posting the Network I/O Control primer I received a couple of questions about the vSAN traffic system network resource pool, such as: What’s the “vSphere Storage Area Network Traffic” system network resource pool for?I

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How to enable SIOC stats only mode?

Today on twitter, David Chadwick, Cormac Hogan and I were discussing SIOC stats only mode. SIOC stats only mode gathers statistics to provide you insights on the I/O utilization of the datastore. Please note that

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Error -1 in opening & reading the slot file error in storageRM.log (SIOC)

The problemRecently I noticed that my datastore cluster was not providing Latency statistics during initial placement. The datastore recommendation during initial placement displayed space utilization statistics, but displayed 0 in the I/O Latency Before columnThe

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