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Data Files: UND Naming
Conventions
A data set must have at least three qualifiers that are separated by periods, e.g.
qualifier1.qualifier2.qualifier3.
1st Qualifier
Your 5 character userid. E.G. USDMB, ACJDV, ACNDS.
2nd Qualifier
Identifies or describes the content of the data set and is specified by the user. E.G. monthly financial data ==>
jan1999.
3rd Qualifier
Identifies the data class and management class.
Classes
Data Class (DC) Definitions:
- DCSEQ - Creates a sequential data set
- DCPDS - Creates a partitioned data set
Management Class (MC) Definitions:
- MCDFLT - (Default) - Manages the data set, by migrating the data set after 45 days of non-use, keeping the
data set on migration for 24 months after the
last referenced date. Up to 7 backups are kept for 24 months after the last referenced date, with 1 backup kept
for an additional 12 months. The
data set is deleted after 36 months of no use.
- MCQUICK - Manages the data set, by keeping the data set on disk for 7 days after the last reference date. Up
to 7 backups are kept for 1 day
beyond the last referenced date, with 1 additional backup kept for 1 additional day. The data set is deleted after
7 days of no use.
| Data Set Name | Data Class | Management Class |
| USERID.*.ACTIVE | DCSEQ | MCQUICK |
| USERID.*.FILE | DCSEQ | MCDFLT |
| USERID.*.LIB | DCPDS | MCDFLT |
| USERID.*.TEMPLIB | DCPDS | MCQUICK |
