IBM Power 11 Glossary

Definitions of IBM Power11, IBM i, and Power Systems terminology for IT professionals planning a Power11 upgrade or migration.

A

AS400 IBM's original Application System/400 midrange platform, introduced in 1988 and now known as IBM i on Power Systems.

C

CPW (Commercial Processing Workload) An IBM i benchmark used to compare relative processing capacity across Power Systems generations and models.

H

HMC (Hardware Management Console) The console used to manage partitioning, firmware, and service functions on IBM Power11 systems.

I

P

PowerVM IBM's virtualization platform for Power Systems, used to partition a physical Power11 server into multiple logical systems.

R

rPerf (Relative Performance) An IBM benchmark metric used to compare relative processing capacity across Power Systems for AIX and Linux workloads.

V

VIOS (Virtual I/O Server) A specialized PowerVM partition that manages shared virtual storage and network resources across a Power11 system's logical partitions.