IMS HP Image Copy terminology

Unique terms used in this information

Advanced Image Copy Services

Refers to a set of services that IMS HP Image Copy provides. These services use the DFSMSdss cross-memory application programming interface (API) to enable fast image copy.

Compressed image copy format

Refers to a format of image copy data sets. Image copy data sets in this format are compressed by one of IMS HP Image Copy compression routines.

Database Sensor or DB Sensor

Refers to the Database Sensor function, which collects sensor data from databases and stores them in the Sensor Data repository of IMS Tools Knowledge Base.

This function is provided by IMS Database Solution Pack and IMS Database Utility Solution for full-function databases, and by IMS Fast Path Solution Pack for DEDBs.

DEDB

Refers to a Data Entry Database.

DEDB HASH Check

Refers to the database pointer check function for DEDB areas. This function is provided by the DEDB Pointer Checker utility of IMS Fast Path Solution Pack.

DFSMSdss Advanced Copy Services

Refers to Advanced Copy Services of DFSMSdss.

Fast Recovery image copy format

Refers to a format of image copy data sets. Image copy data sets in this format are created by the COPY option of Advanced Image Copy Services, and enable fast recovery of database data sets.

HALDB

Refers to a High Availability Large Database.

IMS compatible JCL

Refers to JCL streams that are set up to run the IMS Image Copy utility (DFSUDMP0) or the IMS Database Recovery utility (DFSURDB0). These utilities have alias names that correspond to an IMS utility.

IMS image copy format

Refers to a format of image copy data sets. Image copy data sets in this format use the same format as the format of output data sets generated by the IMS Image Copy utility (DFSUDMP0).

Multiple-step HASH Check

Refers to the database pointer check function for full-function databases. This function is provided by HD Pointer Checker of IMS HP Pointer Checker. Multiple-step HASH Check option must be run in three steps, but it can evaluate the HASH records for several database data sets in one job step.

Single-step HASH Check

Refers to the database pointer check function for full-function databases. This function is provided by HD Pointer Checker of IMS HP Pointer Checker. Single-step HASH Check option can be run, in a single step, within an image copy job.

Standard image copy format

Generic term for image copies in IMS image copy format and compressed image copy format.

Short names used in this information

To make this information easier to read, the version and release levels of IMS are abbreviated, as follows:

IMS 15

Refers to IMS 15.1 and later, and IMS Database Value Unit Edition 15.1 and later.

The various versions of IMS are referred to simply as IMS, except where distinctions among them need to be made.

In this information, the following abbreviations are used.