VMware

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Eric Siebert owner of vSphere-land.com started the second round of the bi-annual top 25 VMware virtualization blogs voting. The last voting...
frankdenneman
1 min read

ESX 4.1 NUMA Scheduling

VMware has made some changes to the CPU scheduler in ESX 4.1; one of the changes is the support for Wide...
frankdenneman
2 min read

DRS 4.1 Adaptive MaxMovesPerHost

Another reason to upgrade to vSphere 4.1 is the DRS adaptive MaxMovesPerHost parameter. The MaxMovesPerHost setting determines the maximum amount of...
frankdenneman
1 min read

DRS-FT integration

Another new feature of vSphere 4.1 is the DRS-Fault Tolerance integration. vSphere 4.1 allows DRS not only to perform initial placement...
frankdenneman
1 min read

Disable DRS and VM-Host rules

vSphere 4.1 introduces DRS VM-Host Affinity rules and offer two types of rules, mandatory (must run on /must not run on)...
frankdenneman
43 sec read

Load Based Teaming

In vSphere 4.1 a new network Load Based Teaming (LBT) algorithm is available on the distributed virtual switch dvPort groups. The...
frankdenneman
1 min read

VMware Fault Tolerance and DPM

Some requirements of the design I am working on is to be as “green” as possible and to offer the highest...
frankdenneman
39 sec read

Memory reclamation, when and how?

After discussing with Duncan the performance problem presented by @heiner_hardt , we discussed the exact moment the VMkernel decides which reclamation...
frankdenneman
1 min read

Reservations and CPU scheduling

Most of my resource management articles focus more on the behavior of memory management than on CPU management. Mainly because the...
frankdenneman
4 min read

Virtual Machine memory overhead

Every virtual machine running on an ESX host consumes some memory overhead additional to the current usage of its configured memory....
frankdenneman
1 min read