No Backups for empty Data Sets
search cancel

No Backups for empty Data Sets

book

Article ID: 115737

calendar_today

Updated On: 09-25-2018

Products

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

Issue/Introduction



We are running with SYSPARM ARCEMPTYy, but we have just archives and no backups for empty Data Sets.
What is the reason for that?

Environment

Release:
Component: DISKOS

Resolution

As these Data Sets were allocated only and never opened for OUTPUT the Change Bit in the FORMAT 1 DSCB is off and thus 
they were not processed because of SMS rules:

ADSST012 9999 ----------------------------------------------------------------------
ADSST012 9999 FUNCTION = BACKUP                                                     
ADSST012 9999 SMS CONTROLLED DATA SET = EMPTY.DATA.SET             
ADSST012 9999 STORAGE GROUP = SGTEMP   MANAGEMENT CLASS = MCTEMP                    
ADSST012 9999 SMS DATA SET BYPASSED BECAUSE                                         
ADSST012 9999 DSN NOT MODIFIED - BACKUP FREQUENCY