Category Archive: HA

VMware stretched cluster and VM swap file placement

A few days ago i came across a VMware vSphere, version 5.5, stretched clusterΒ implementation that caught my attention. Background My customer uses the following setup: 8 ESXi version 5.5 hosts. 4 placed in Datacenter01 and 4 placed in Datacenter02 2 Storage systems. 1 storage node placed in Datacenter01 and 1 storage node placed in Datacenter02 …

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SMB vCloud Director design challenge – number of licenses

I have previously written about a vCloud Director (vCD) implementation where the vCD based VMs must coexists with traditional vSphere based VMs in the same vSphere cluster, post available here. A few days ago one customer added an even more interesting parameter to such a solution. The customer has an existing vSphere environment, running both …

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vSphere HA design consideration

I want to highlight a risk in one of my previous designs and also explain what you can do to avoid it, if you get approval from the customer. The VMware vSphere versions referenced in the blog post are VMware vCenter ServerΒ 5.1.0b 947939 and VMware ESXi server 5.1. Background Below i have listed a few …

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