Volume - Logical Disk
DASD (daz-dee) - Direct Access Storage Device
VTOC - Volume Table of Contents; data structure that helps locate datasets(files) on volume; consists of DSCB's
DSCB - Data Set Control Blocks
ESCON - Enterprise Systems Connection; older Fibre Connectivity
ESCD - ESCON Director
FICON - Fiber Connectivity; Latest Fibre Connectivity
CSTOR - (storage channel?????)
CHPID - (I/O channel?????
z/VM
z/OS
z/TPF
MVS - Multiple Virtual Storage; Operating system
CMS
CPC -
CEC - Central Processor Complex
IODF
IOCDS
IRD - Intelligent Resource Director
MBA
SE - Support Element
LP - (Logical Processor????)
CP - Central Processor
MCM - Multi Chip Module; Multiple PU and SC chips mounted on MCM
Book - (Removable motherboard)
SC - Storage Control
PU - Processor Units; can have multiple cores
zAAP - Application Assist Processors
zIIP - Integrated Information Processor
SAP - System Assist Processor
ICF - Internal Coupling Facility
IFL - Internal Facility for Linux
HS - HiperSockets
CU - Control Unit
CUA - Control Unit Address
PR/SM - Processor Resource / System Manager
LPAR - Logical Partition
HSA - Hardware System Area; 16GB of non addressable memory containing Licensed Internal Code and control blocks
CSS - Channel Sub-System
LCSS - Logical Channel Sub-System
CICS - Customer Information Control System
IMS TM - Information Management System Transaction Manager
IMS DB - Information Management System Database
DB2 - Relational Database
WAS - WebSphere Application Server
POR - Power On Reset
HCD
MIF - Related to channels
PAV - Parallel Access Volume
MA - Multiple Allegiance
DASD CU
HMC - Hardware Management Console
CPACF - CP Assist for Cryptographic Function
MBA - Memory Bus Adapter
HCA - Host Channel Adapter
FSP - Flexible Service Processor
FQC - Fiber Quick Connect
LICCC
IML
PCI - Processor Capacity Index
LSPR
MRU - Modular Refrigeration Unit
OOO - Out Of Order
FBC - Something about connection chips on MCM
ISA - Instruction Set Architecture
TLB - Translation Look-aside Buffer
RAIM - Redundant Array of Independent Memory