Question regarding RETPD on tapes or DASD data sets
Article ID: 111826
Updated On:
Products
Disk Backup and Restore - MVS
DISK BACKUP AND RESTORE- ADD-ON OPTIO
DISK BACKUP AND RESTORE
Issue/Introduction
If I were to try to convert a tape dsn to dasd, what happens to a disk data set after the RETPD has passed.
Would I have to go in and manually delete the data set ?
Environment
Release: SMDI3900200-12.5-Disk-Backup and Restore-for z/OS
Component:
Component:
Resolution
When you Archive data sets either to a tape Archvol or to a Disk Archvol,
a DSNINDEX record is stored for every data set in the FILES data set.
Every DSNINDEX record has an expiration date.
So, when an expiration date expires, or the data set is Restored,
that DSNINDEX record is deleted.
So, just like a Tape Archvol can have dead or expired data on it,
so can a Disk Archvol have expired data.
Thus the need to run a Merge on Disk Archvols as you would Tape Archvols,
so the remaining valid (unexpired) data is moved forward to new Archvols.
a DSNINDEX record is stored for every data set in the FILES data set.
Every DSNINDEX record has an expiration date.
So, when an expiration date expires, or the data set is Restored,
that DSNINDEX record is deleted.
So, just like a Tape Archvol can have dead or expired data on it,
so can a Disk Archvol have expired data.
Thus the need to run a Merge on Disk Archvols as you would Tape Archvols,
so the remaining valid (unexpired) data is moved forward to new Archvols.
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