Navigate to the Broadcom Support Portal and log in with your corporate credentials. If you do not have an account, you must register and associate your profile with your organization's Site ID to access product downloads. Step 2: Navigate to VMware Cloud Foundation / vSphere Once logged in:
Reviewing the VMware vSAN Witness Appliance reveals it is a critical, virtualized ESXi host used primarily to provide quorum in 2-node or stretched cluster configurations. By acting as a "tie-breaker," it prevents "split-brain" scenarios where two sites might otherwise lose sync during a network failure. Key Benefits & Use Cases Cost Efficiency:
While the Witness Appliance itself includes a built-in, free license from VMware, you must have a valid Broadcom/VMware account with entitlements to download vSphere components.
The witness requires a dedicated VMkernel port for vSAN traffic, separate from the management traffic.
Reviews and technical guides from Mastering VMware emphasize several "gotchas" during and after the download: download vsan witness appliance
The vSAN Witness Appliance is a virtual appliance that acts as a witness to the vSAN cluster, providing a quorum vote to ensure that data is available and consistent across the cluster. It is essentially a lightweight, pre-configured virtual machine that is deployed in a separate location, typically in a different site or datacenter, to provide an independent witness to the vSAN cluster.
In this article, we walked through the process of downloading and deploying the vSAN Witness Appliance. By following these steps, you can create a highly available and resilient storage solution across multiple sites using vSAN stretched clusters. If you have any questions or need further assistance, please don't hesitate to ask.
Inside the chosen version, look for the "Drivers & Tools" section 1.2.2.
To , admins must navigate the Broadcom Support Portal , as the migration away from the legacy VMware Customer Connect platform has changed the download path. The vSAN Witness Appliance is a specialized virtual machine packaged as an Open Virtual Appliance (OVA) file. It functions as a neutral third party to maintain cluster quorum and prevent split-brain scenarios in two-node configurations and stretched clusters. Where to Download the vSAN Witness Appliance Navigate to the Broadcom Support Portal and log
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When deploying the downloaded OVA template via the vSphere Client, you will be prompted to select a deployment size. Choose the option that matches your cluster scale:
Before downloading, ensure you have the following:
Ensure you do not use an older Witness Appliance with a newer vSAN Cluster. If you'd like, I can: By acting as a "tie-breaker," it prevents "split-brain"
The vSAN Witness Appliance is responsible for:
The vSAN Witness Appliance is a foundational component for building fault-tolerant, geographically dispersed vSAN infrastructures. By following the detailed steps provided in this guide on downloading from the Broadcom portal, sizing correctly, and applying best practices, administrators can efficiently deploy this lightweight yet powerful appliance. Its "free and embedded license" model and streamlined OVA deployment make it the recommended approach over using a physical witness host, providing a robust quorum mechanism without the associated licensing or hardware overhead.
Before downloading and deploying the vSAN Witness Appliance, ensure that you have:
: You no longer use the legacy VMware portal; you must navigate to My Downloads under VMware Cloud Foundation on the Broadcom Support Portal .
to avoid configuration errors. Once established, however, it is praised for its seamless integration with the broader VMware stack. step-by-step guide for configuring the witness traffic on your management network
VxRail: How to Deploy the VSAN Witness Appliance | Dell India