Copying each file and directory of the aggregate to a larger data set

//SUIMGVMB JOB ,'EXPAND AGGR WITH PAX',
//         CLASS=A,MSGCLASS=X,MSGLEVEL=(1,1)
//* Make sure you have no line numbers in this JCL
//DEFINE   EXEC   PGM=IDCAMS
//SYSPRINT DD     SYSOUT=H
//SYSIN    DD     *
     DEFINE CLUSTER (NAME(PLEX.NEW.AGGR002.LDS0002) -
            LINEAR CYL(100 5) SHAREOPTIONS(3) -
            VOLUMES(CFC000 CFC001))
/*
//FORMAT   EXEC   PGM=IOEAGFMT,REGION=0M,
//* On the next line, aggregate and compat must be lower case
// PARM=('-aggregate PLEX.NEW.AGGR002.LDS0002 -compat')
//SYSPRINT DD     SYSOUT=H
//*******************************************************************
//**                                                               **
//**  note - use a + sign at the end of each line to indicate there**
//**         is another line to be processed.                      **
//**         use a ; at the end of each COMMAND                    **
//**                                                               **
//**         a single command can span multiple lines if each line **
//**         ends in a +.  when you have reached the end of the    **
//**         command, terminate the command with a ;               **
//**                                                               **
//*******************************************************************
//PAX1     EXEC PGM=IKJEFT01,REGION=0M
//SYSTSPRT DD  SYSOUT=*
//SYSEXEC  DD  DSN=SYS1.SBPXEXEC,DISP=SHR
//SYSTSIN  DD  *
 OSHELL /usr/sbin/mount -t ZFS -f PLEX.OLD.AGGR002.LDS0002           +
  /service2                                                        ; +
   /usr/sbin/mount -t ZFS -f PLEX.NEW.AGGR002.LDS0002 /service3    ; +
   cd /service2                                                    ; +
   pax -rwvCMX -p eW . /service3                                   ;
/*
//* The result of these next two steps should show that
//* More free space is available in the new file system
//AGGRINF1 EXEC PGM=IOEZADM,REGION=0M,
// PARM=('aggrinfo PLEX.OLD.AGGR002.LDS0002 -long')
//SYSPRINT DD  SYSOUT=*
//STDOUT   DD  SYSOUT=*
//STDERR   DD  SYSOUT=*
//SYSUDUMP DD  SYSOUT=*
//CEEDUMP  DD  SYSOUT=*
/*
//AGGRINF2 EXEC PGM=IOEZADM,REGION=0M,
// PARM=('aggrinfo PLEX.NEW.AGGR002.LDS0002 -long')
//SYSPRINT DD  SYSOUT=*
//STDOUT   DD  SYSOUT=*
//STDERR   DD  SYSOUT=*
//SYSUDUMP DD  SYSOUT=*
//CEEDUMP  DD  SYSOUT=*
/*