> CDS > Hedvig Cluster Deployment Guide > Hyperconverged Infrastructure Setup using Open Virtualization Format

HCI Setup Prerequisites

Here are the hardware and software requirements for using HCI in a Hedvig environment.

  • 512 GB RAM is the minimum requirement for the host. Storage must be attached to different controllers, for example:

    • 1 storage controller connected to 2 disks, and another storage controller connected to disks on a backplane (typically 12 to 24 disks)

    • 1 or more NVMe devices onboard, and 1 storage controller connected to disks on a backplane (typically 12-24 disks). For performance setups, 2 NVMe devices, each about 800 GB, are required.

  • The storage controller connected to the backplane must be configured as a passthrough PCIe device on the host and must be connected to the Hedvig storage VM.

  • The storage controller connected to the 2 disks (or NVMe devices) must be about 500 GB.The NVMe device must be presented as a datastore, which is used as cache for the Hedvig Storage Proxy VMs.

  • A vCenter server should be deployed on local storage to allow for easier deployment.

  • The cvm.ova, node.ova, and deploy.ova files must be downloaded from the Commvault store to the workstation.

  • The workstation must have the ovftool_hedvig tool and the govc utility, as described in the following sections.

    • The ovftool_hedvig.sh file is in /usr/local/hedvig/config/scripts/ovftool on the deployment server.

    • Source code and binary releases for the govc utility are available in the VMware GitHub govmomi site.

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