This is a list of acronyms related to DB2 pureScale (and IBM PureData System for Transactions). I plan to add links to details. Hence it is a work in progress.

In the DB2 Information Center is a Glossary as well.

HCA Host Channel Adapter
DAT Direct Access Transport
uDAPL user Direct Access Programming Library
RoCE RDMA over Converged Ethernet
RDMA Remote Direct Memory Access
CF Cluster Caching Facility
IB InfinyBand
10GE 10 Gigabit Ethernet
LACP Link Aggregation Control Protocol
OFED OpenFabrics Enterprise Distribution
CEE Converged Enhanced Ethernet
RSCT Reliable Scalable Cluster Technology
TSA Tivoli System Automation
OPM Optim Performance Manager
CS Cluster Services
GBP Group Bufferpool
GLM Global Lock Manager
SCA Shared Communication Area
BCM Buffer Coherency Management
LBP Local Bufferpool
FAC Force-At-Commit
RAR Read And Register
RARM Read And Register Multiple
WAR Write And Register
WARM Write And Register Multiple
XI Cross Invalidate
TPL Transaction Page List
LLM Local Lock Manager
SLS Set Lock State
NIM Network Interface Monitor
LUN Logical Unit Number
DDM Disk Drive Module
GPFS General Parallel File System
MCR Member Crash Recovery
GCR Group Crash Recovery
GDPC Geographically Dispersed pureScale Cluster
DR Disaster Recovery
ROCM Recovery Orchestration and Cluster Management