z/OS DFSMSrmm Implementation and Customization Guide
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Forward recovering the control data set

z/OS DFSMSrmm Implementation and Customization Guide
SC23-6874-00

You can forward recover the control data set after you have restored the control data set in a previous step.

Example: To forward recover the control data set by using EDGBKUP:
//FWDRECVR EXEC PGM=EDGBKUP,PARM='RESTORE'
//SYSPRINT DD SYSOUT=*
//MASTER   DD DISP=SHR,DSN=RMM.CDS
//JOURNAL  DD DISP=SHR,DSN=RMM.JOURNAL

When you do not provide the BACKUP DD statement, DFSMSrmm does not restore the control data set. DFSMSrmm assumes that the data set identified by the MASTER DD statement identifies the correct control data set, and EDGBKUP uses data from the journal to forward recover the control data set.

You can use the JOURNAL DD statement to concatenate multiple journal data sets. See Restoring the control data set with forward recovery for information about concatenating journal data for recovery. You can forward recover a restored or unrestored control data set. For example, if automatic forward recovery fails, you could attempt forward recovery by using the active journal. If you have already restored the control data set but have not used journal data for forward recovery, run forward recovery as a second step. The DFSMSrmm subsystem must be stopped or quiesced during forward recovery of the active control data set.

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