What are nvme settings regarding io-queue-count and io-queue-depth
Applies to
- ONTAP SAN
- NVMe-oF
Answer
- NVMe supports 64k queues, each with a queue depth of 64k / 64k outstanding commands there is no modify command for these parameters.
- Review Implementing and configuring modern SANs with NVMe-oF, high parallelism I/O submission and completion queue pairs ( io-queue-count ) are aligned to host CPU cores.
- Each host/controller pair has an independent set of NVMe queues.