While working at a customer’s site, I notice that a system administrator wanted to reboot a vSAN node. The time it took to shutdown the node was too long (30+ min) for the system administrator, so he used iDRAC to hard reset the host. I asked him, why he just didn’t wait until the host […]
For the last few months, I have been working on a project to migrate 1000 virtual machines from one datacentre to another datacentre. Both datacentres are 50KM in distance from each other. The building where the source datacentre is situated, will be stripped and will be rebuild conform current standards. This means that every window, door, […]
I was setting-up a redundant VMware PSC setup stretching 2 datacenters. Every datacenter has 2 PSC and an load balancer. Eventually, the virtual machines who run the PSC services, will run in a management cluster consisting of 3 nodes. These nodes are using Virtual SAN (VSAN) for storage. I first installed 1 node with VMware […]
I’ve been designing VMware vSphere clusters for the last 10 years know. And with every design, the storage part is one of the most challenging. A improper storage design, results in an poor virtual machine performance. Over the years, storage vendors added all kind of optimizations to their solution, in the form of cache. Almost […]
This is the last part about the mini series: Determine your vSphere storage needs. In this part, we’re going to cover 3 subjects: Availability Security Connectivity Although important, these aren’t the parts where you have many options. Availability When we talk availability in storage solution, where actually talking about high availability. Most (enterprise) storage […]
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