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Best Practices to upgrade vCenter Server 6.0

Recently, the deployment models and Platform Services Controllers, vSphere 6.0 has been announced. These models involve three types of servers:

  • Embedded Deployment Model: vCenter Server with an inbuilt Platform Services Controller
  • External Deployment Model: External Platform Services Controller, vCenter Server with external Platform Services controller

vSphere 6.0 has several choices for upgrading your vSphere deployment. For a successful vSphere upgrade, you must know the upgrade options, configuration details that affect the upgrade process and categorization of tasks. The two main mechanisms of vSphere are VMware ESXi and VMware vCenter Server. ESXi is the virtualization platform on which you can generate and run virtual machines and virtual appliances. On the other hand, VMware vCenter Server is a service that acts as a central administrator for ESXi hosts linked in a network. Users basically use this server system to handle the resources of numerous hosts. Let’s have a look at some of the best practices for vCenter server upgrading.

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Resource Provisioning

VMware’s stated least configurations might not be satisfactory for every workload or environment. Intricate environments such as extensive usage of vSphere Distributed Switches, tags, observations, storage profiles, large inventories and add-on solutions may involve additional resources for vCenter Server. Also, workloads with great operational quantity will benefit from additional resource.

Network Configuration

The vCenter database must be linked to vCenter by a network path with sufficient bandwidth. While using an external database, a low-latency network connection between vCenter Server and its database is suggested for best performance. The outcome of a longer latency network is more prominent in critical environments. Additionally, ESXi hosts should be involved to vCenter Server by network paths with the lowest potential latency. Using a high latency network link between vCenter and ESXi hosts is possible, but will result in higher latencies for vCenter Server operations.

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As with other vCenter components, Web Client performance depends on right provisioning. Make sure that your vCenter Server has been provisioned with satisfactory CPU, memory, and storage. Solutions that offer plugins for the Web Client may require extra memory for the Web Client. If you use numerous such solutions, you might require providing add-on memory to the Web Client server by growing the amount of memory provisioned to vCenter Server. Web Client performance also depends on sufficient provisioning for the client. Also, Web Client performance suffers by network latency between the Web Client server and Web browser clients. It is best to minimize client-server latency as much as possible for best performance.

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