D.1 Introduction When you request Recovery Expert for z/OS to generate a recovery plan for one or more objects that you have identified in the Recovery Expert for z/OS graphical user interface (GUI) client, it considers the various resources of recovery available such as full and incremental image copies 1 , and active and archive logs, and generates a number of potential recovery plans that can each individually perform the recovery action that is requested. These recovery plans are arranged in ascending sequence of efficiency as determined by Recovery Expert for z/OS. The number of recovery plans varies depending upon the required recovery action and the available recovery resources. In some cases, Recovery Expert for z/OS determines that adequate recovery resources are not available to generate any recovery plan. Recovery Expert for z/OS uses the following tools to perform the recovery action in its recovery plans: RECOVER, REBUILD INDEX, LOAD, CHECK DATA, and DSN1COPY are DB2 utilities. RESTORE DATASET is a DFSMSdss function command. Log analysis is included with DB2 Recovery Expert for z/OS to generate redo and undo Structured Query Language (SQL). A recovery plan includes multiple recovery methods that describe the following features: An initial (first) utility such as DSN1COPY that is used to acquire the beginning data The resource for the data that is used such as an image copy A second utility, if necessary, that is required to modify the data such as a RECOVER utility