Exclude Volumes or a Storage Group from PDS Compression.

Products

• Disk Backup and Restore - MVS
• DISK BACKUP AND RESTORE- ADD-ON OPTIO
• DISK BACKUP AND RESTORE

Issue/Introduction

How it is possible to exclude volumes or a storage group from PDS Compression.

Resolution

Today there is no EXCLUDE parameter available with the SCAN or COMPRESS command to exclude volumes or a storage group from the PDS Compression utility, but you could use the following workaround:

1. Use the CMDGENDSN parameter of the REPORT command to generate a data set that contains entries consisting of the data set names that are to be excluded later from the PDS Compression utility:
   

   SCAN REALVOLS SELECT CRITERIA=(DSORG,EQ,PO)EXCLUDE VOL=(volsr1,volsr2,…),SGNAME=sgnameREPORT MVD,CMDGENDSN=dsn.excludes

2. Copy the data set dsn.excludes to a parmlib member dsnexcl
3. Run the PDS Compression utility excluding the selected data sets by specifying the previously created member in the EXTABLE parameter of the SCAN command:
   

   SCAN VOLUMES=(/),DSNAMES=(/),THRESHOLD=(90,5,95,0,0),EMPTY,ALLOCATE=(80,10,80),EXTABLE=dsnexcl