z/OS DFSMSdss Storage Administration
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Example 2: logical restore of an unmovable data set

z/OS DFSMSdss Storage Administration
SC23-6868-01

//JOB6     JOB   accounting information,REGION=nnnnK
//STEP1    EXEC  PGM=ADRDSSU
//TAPE     DD    UNIT=3480,VOL=SER=TAPE04,
//  LABEL=(1,SL),DISP=(OLD,KEEP),DSN=USER4.BACKUP
//SYSPRINT DD    SYSOUT=A
//SYSIN    DD    *
 RESTORE INDD(TAPE) OUTDYNAM(338000) -
   DS(INCL(HIGH.PERF))               -
   FORCE        /* TO FORCE RESTORE OF UNMOVABLE DATA SET */
/*
In Example 2, the unmovable data set HIGH.PERF does not currently exist on volume 338000. However, this data set did exist on volume 338000 at the time of the dump. You want to restore it to volume 338000 and would prefer it be restored to the location it originally occupied. However, the location where this data set would normally be restored is occupied by other data sets. So, you restore the data set to another place on the volume because you specify the FORCE keyword. The data set is marked as unmovable on volume 338000 because of one of the following situations:
  • You do not want DFSMShsm to move it to an unlike device type.
  • You do not want the data set to be relocated by a DEFRAG operation for performance reasons.
  • It was allocated as an ABSTR data set for performance reasons.

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