It stores only metadata, allowing the cluster to maintain quorum if one node or site fails.
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Power on the virtual appliance and configure its management network via the Direct Console User Interface (DCUI).
When you deploy the OVA, you’ll be asked to choose a configuration size. This depends on how many objects you plan to protect: : Supports up to 10 VMs (2 vCPU, 8 GB RAM, 40 GB storage). : Supports up to 500 VMs.
VMware vSAN Witness Appliance is a virtualized ESXi host used as a tie-breaker in 2-node or stretched vSAN clusters. It is provided as a pre-configured Open Virtualization Appliance (OVA) file. Download Instructions download vsan witness appliance
Reviews and technical guides from Mastering VMware emphasize several "gotchas" during and after the download:
Select the specific version corresponding to your environment (e.g., vSphere 8.0).
Since the Broadcom acquisition of VMware, all downloads have moved to the Broadcom Support Portal. : Sign in to the Broadcom Support Portal Navigate to Downloads On the left sidebar, click My Downloads VMware Cloud Foundation (or search for "vSphere"). VMware vSphere
: Click on "My Downloads" in the left-hand sidebar. It stores only metadata, allowing the cluster to
Because it only handles metadata and quorum participation, it requires significantly fewer compute, memory, and storage resources than a standard data host. It serves as a neutral third party to maintain cluster integrity during network partitions. When Do You Need a Witness Appliance?
A minimum of 100 Mbps or 1 Gbps connectivity is recommended, depending on cluster size.
To help me tailor any further configuration steps or troubleshooting advice for your specific infrastructure layout, could you tell me:
The Ultimate Guide to Downloading and Deploying the vSAN Witness Appliance If you share with third parties, their policies apply
and does not require a standard ESXi license, though it comes with its own specific license key. It allows businesses to run a 2-node cluster without the cost of a physical third host. Performance (4.5/5):
The vSAN Witness Appliance is available on VMware Customer Connect (formerly My VMware) as a standalone download. Instead, it is bundled with the vSphere ISO image .
It prevents "split-brain" scenarios by providing a third vote in cluster membership.