Defining the HFS file system We defined an HFS file system large enough to be able to keep a 500 MB file. The JCL used is shown in Figure 12-4 on page 461. //ZFSJOB JOB ,'Define HFS File',NOTIFY=&SYSUID.,REGION=0M //* ------------------------------------------------------------------ //* Define HFS File //* Property of IBM (C) Copyright IBM Corp. 1999, 2002 //* ------------------------------------------------------------------ //* // SET HFSNAME=OMVS.LARGE.HFS <=== HFS data set name // SET VOLSER=TOTZF2 <=== Volume // SET HFSPRM=750 <=== HFS primary allocation // SET HFSSEC=50 <=== HFS secon'y allocation //* //* ------------------------------------------------------------------ //CREATE EXEC PGM=IEFBR14 //HFS DD DSN=&HFSNAME.,DISP=(NEW,CATLG,DELETE),UNIT=SYSALLDA, // DCB=(DSORG=PO),SPACE=(CYL,(&HFSPRM.,&HFSSEC.,0)), // DSNTYPE=HFS,VOL=SER=&VOLSER. //* ------------------------------------------------------------------ Figure 12-4 Defining the HFS file system Defining and formatting a zFS aggregate Then we created a zFS aggregate on the same disk, as shown in Figure 12-5.