A.1 Terminology

Term	Description
HPC	High Performance Computing
ORCM	Open Resilient Cluster Manager
ORTE	Open Runtime Environment
OPAL	Open Portability Access Layer
MCA	Modular Component Architecture (in ORCM context)
HNP	Session Head Node Process or Controller Node Process
RM	Resource Manager
SCD	Scheduler Framework
SMS	System Management Server
RAS	Reliability, Availability & Serviceability
IPMI	Intelligent Platform Management Interface
OOB	Out Of Band
DB	Database
DBMS	Database Management System
ODBC	Open Database Connectivity
DSN	Data Source Name
DBA	Database Administrator