OpenCHAI – Software Stack Release (v1.25.0)

This document describes the OpenCHAI 1.25.0 software stack based on Rocky Linux 9.6, intended for HPC and AI cluster deployments.

Platform Details

Category	Component	Version / Details
Base OS	Rocky Linux	9.6
Kernel	Linux Kernel	5.14.0-570.17.1.el9
Architecture	System	x86_64
Manager Tool	Ansible	latest
Container	Docker	latest
Container	Apptainer	latest
Container	Enroot	latest
Orchestration	Docker Compose	latest
Orchestration	Kubernetes	latest
Device Replication	DRBD	9.31.0
Resource Manager	PCS	0.11.9
Provisioning	xCAT	2.17.0
Monitoring	C-Chakshu	latest
Monitoring	Prometheus	2.47.1
Monitoring	Nagios	4.4.9
Monitoring	Ganglia	3.7.2
Resource Manager	Slurm	25.05.1 (PMIx 3 / 4 / 5 / 6)
Resource Manager Plugin	Pyxis	latest
User Management	OpenLDAP	2.4.46
User Support	osTicket	1.18.2
Interconnect	Mellanox InfiniBand	24.10-3.2.5.0
Toolchain	Intel oneAPI	2025.2.1.44
Toolchain	Intel oneAPI	2024.2.0.634
Toolchain	NVIDIA HPC SDK	25.9
Compiler	GCC	11.5.0
Compiler	G++	8.5.0
Compiler	GFortran	8.5.0
MPI	MVAPICH	4.1
MPI	OpenMPI	4.1
MPI	MPICH (NVIDIA Peer Memory)	1.3-0
GPU Toolkit	CUDA	13.0.0 (Driver 580.65.06)
Application Package Manager	Spack	1.2.0