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An architect is designing a vSphere-based application hosting solution in a brownfield site. The following information has been provided during the requirements gathering workshop: The solution should support 5,000 compute workloads across two physical sites. The CFO has approved budget for the purchase of new server and network hardware only. The existing storage array is currently Fibre Channel connected with 2 x 8 Gbps interfaces to a dedicated Storage Area Network (SAN) fabric. The existing storage array does not support integration with vSphere API for Storage Awareness. The existing storage array can be configured to support NFS storage. The existing vSphere administration team will responsible for operational management of the new solution. Which storage technology should the architect recommend based on these requirements?
Correct Answer: B
Based on the requirements provided, the architect should recommend iSCSI for the following reasons: Existing Storage Array: The existing storage array does not support integration with vSphere API for Storage Awareness (VASA), which is required for vVols and VMware vSAN. This means that vVols and vSAN cannot be used without significant upgrades or changes to the storage infrastructure. Existing Fibre Channel Connectivity: The storage array has Fibre Channel connectivity, but it is limited to 2 x 8 Gbps interfaces and is not compatible with advanced features required by modern solutions like vVols. In addition, Fibre Channel is traditionally complex to manage and requires specialized knowledge, which may not align with the existing vSphere administration team's expertise. Support for NFS Storage: The storage array can be configured to support NFS storage, which is an efficient, simpler-to-manage option compared to traditional Fibre Channel or iSCSI. Since iSCSI is also IP-based, it aligns well with the existing vSphere environment. Scalability and Simplicity: iSCSI allows for easy integration with vSphere and is a highly scalable option for expanding storage across two sites, which meets the requirement of 5,000 compute workloads across two physical sites. It is also easier to manage compared to Fibre Channel and vVols.
