--- title: "VAST Data and VMware VAAI with NVMe-TCP" slug: "vast-data-and-vmware-vaai-with-nvme-tcp" description: "Discover how VMware VAST's NVMe TCP enhances data transfer speeds by integrating seamlessly into VMware VASA, speeding up VM management tasks like cloning," tags: ["vmware", "NVMe-TCP"] updated: 2026-10-28T02:14:35Z published: 2026-10-28T02:14:35Z canonical: "docs.vastdata.com/vast-data-and-vmware-vaai-with-nvme-tcp" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.vastdata.com/llms.txt > Use this file to discover all available pages before exploring further. # VAST Data and VMware VAAI with NVMe-TCP ## Using VMware VAAI with VAST Data’s NVMe-TCP block storage. ## OverView vStorage APIs for Array Integration is a feature introduced in ESXi that provides hardware acceleration functionality. It enables your host to offload specific virtual machine and storage management operations to compliant storage hardware. With the storage hardware assistance, your host performs these operations faster and consumes less CPU, memory, and storage fabric bandwidth. (Credit: [*Frequently Asked Questions for vStorage APIs for Array Integration*](https://knowledge.broadcom.com/external/article/318941/frequently-asked-questions-for-vstorage.html)) ### Support VAAI Initiatives: - Clone Virtual Machine = XCOPY (Full Copy) - Deploy VM from Template = XCOPY (Full Copy) - Storage vMotion (same array) = XCOPY(Full Copy) - VM Power On (on VMFS) = ATS (Atomic Test & Set) - Create/Delete Snapshot = ATS (Atomic Test & Set) - Create Thin-Provisioned Disk = WRITE SAME - Zero a Disk (Thick Eager Zeroed) = WRITE SAME - Extend a Thin-Provisioned Disk = WRITE SAME - VMFS Metadata Locking = ATS (Atomic Test & Set) - We DO NOT SUPPORT " ex clone"(Extended XCOPY)