//DS1 DD  DSNAME=INDS,DISP=OLD,CHKPT=EOV,
//     UNIT=SYSSQ,VOLUME=SER=(TAPE01,TAPE02,TAPE03)

In this example, the DD statement defines data set INDS, a multivolume QSAM or BSAM data set for which a checkpoint is to be written twice: once when end-of-volume is reached on TAPE01 and once when end-of-volume is reached on TAPE02.

//DS2 DD  DSNAME=OUTDS,DISP=(NEW,KEEP),
//     CHKPT=EOV,UNIT=SYSDA,VOLUME=(,,,8)

In this example, OUTDS is a multivolume data set that is being created. The data set requires eight volumes. Seven checkpoints will be written: when the end-of-volume is reached on volumes one through seven.