WEKA Storage Sizing Tool

Requirements

Workload profile

Usable capacity

TB net

Read throughput

GB/s — 0 to ignore

Node count override

Leave blank to let the tool solve for the smallest compliant cluster.

Vendor & hardware

Vendor

Backend server model

CPU

Memory per node

NVMe drive model

Data drives per node

Protection & resiliency

Data protection scheme

Hot spare capacity

Failure domains reserved for rebuild. One is the common default.

Networking

Data network adapter

Adapters per node

Two is recommended for redundancy. WEKA uses at most two RDMA adapters for cluster traffic.

Fabric switch

RDMA enabled (adds 1.86 GiB per server) NFS / SMB / S3 protocol containers (adds 14.9 GiB per server)