A systems administrator is tasked with deploying several new servers for a virtualization cluster using a specific hypervisor version. To ensure the deployment is stable and will be fully supported by the hypervisor vendor, which of the following actions is the most critical to perform before starting the installation?
Consult the hypervisor vendor's Hardware Compatibility List (HCL).
Download and apply the latest BIOS and firmware updates for the servers.
Verify the servers meet the minimum CPU and memory requirements for the hypervisor.
Review the server specifications on the hardware manufacturer's support site.
The correct answer is to consult the hypervisor vendor's Hardware Compatibility List (HCL). The HCL is the authoritative list of hardware (servers, storage controllers, network cards, etc.) that has been tested and certified by the OS or hypervisor vendor. Using hardware on the HCL is critical for ensuring system stability, having access to correct drivers, and being eligible for technical support from the vendor.
Reviewing the server manufacturer's website is a good practice, but the hypervisor vendor's HCL is the definitive source for their support policy.
Updating BIOS and firmware is also a critical step, but it should be done after verifying the hardware is on the HCL. Updating firmware on uncertified hardware will not make it supported.
Verifying minimum system requirements is necessary, but the HCL provides a more detailed level of certification for specific components, which is more crucial for stability and support than simply meeting minimums like CPU speed or RAM amount.