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Source: VCADAA file at the DETAIL timespan
HSMMIG file at the DETAIL timespan
Tape library information (external)
Function: Monitors your users' allocation and use of
Generation Data Groups (GDGs) at a detailed level.
The report allows analysis of generation data set
allocation and usage patterns, and detects
potential problems, such as duplicate or missing
generations.
Features: User reports have three levels of summarization--
detail, base name, and data set prefix.
This report is summarized by the GDG Base Name.
The report also provides usage information, such
as the total amount of space allocated to
generation data groups at the installation.
If you are establishing or revising your standards
related to the number of generations that will be
retained, this report can help that process by
allowing you to simulate the effects of using
differing values.
When you run this report using prefix or base name
summarizations, you will often detect potential
problems at the prefix or GDG level. This
detailed reporting option can then be used to
provide further insight into those potential
problems.
Limits: VSAM data sets cannot be included in this report,
as the GDG structure is not supported in VSAM
environments.
SMS
Issues: Users installing SMS can determine the number of
generations of a GDG that are being kept online.
This is important to know, because the SMS
Management class can be used to control the number
of generations that will be kept online, and the
action to take when older generations "roll off".
COLUMN DESCRIPTIONS
Data Set Name
The name of the data set.
Volume Serial Number
The volume serial number of the storage medium.
For data sets that reside on HSM storage, this
will have a value of 'HSMLVx' where 'x' will be 1
or 2 representing the migration level.
Roll Off Flag
An asterisk (*) in this column indicates this data
set would have been a candidate for roll-off based
on the simulation values you coded on the report
options screen. This simulation feature allows
you to specify the number of generations that
should be kept online for each Generation Data
Group. Generations which exceed this number are
termed 'rolled-off', and simulates the effect of
migrating, moving, or deleting the data set.
Data Set Org
The organization of the data.
Extents
The number of non-contiguous segments of space
allocated to the data set on one volume. This
value will be blank for data sets residing on tape
or HSM migration volumes.
Megabytes Allocated
The amount of space allocated by this data set, in
megabytes.
Megabytes Used
The amount of space actually used by this data
set, in megabytes. For data sets residing on tape
or HSM, this will be the same as megabytes
allocated (unless you have specified the PRIMARY
space reporting option for HSM data sets).
Create Date
The date that the data set was first allocated to
a DASD volume.
Date Last Used
The date that the data set was last referenced.
GDG MANAGEMENT AND RETENTION (STGEFE) 1 CA MICS StorageMate - DETAIL ABC CORPORATION ------------------------------------------------------ System Identifier=TST1 ------------------------------------------------------ Data Set Name Volume Roll Data Extents Megabytes Megabytes Create Date Serial Off Set Allocated Used Date Last Number Flag Org Used CBM00T.CARDTAPE.NCB00110.MS000IN0.G0001V00 VH1001 PS 0 0.00 0.00 16FEB90 16FEB07 CBM00T.CARDTAPE.NCB00110.MS000IN0.G0002V00 VH1003 PS 0 0.00 0.00 19MAR90 19MAR07 CIS00T.DLDARPGS.ICI00211.MS000IN0.G0003V00 VH1002 PS 1 0.05 0.05 11JAN90 12JUL07 CIS00T.DLRPTA00.RPT#0001.G0001V00 V10001 PS 0 0.00 0.00 13DEC89 13OCT07 CIS00T.DLRPTA00.RPT#0001.G0002V00 VH1001 PS 0 0.00 0.00 11JAN90 11JAN07 DAB10P.DCIPTSTB.RPT#B001.G0001V00 VS1002 *** 1 0.15 0.00 12MAR90 . DCI.PRMST135.DCIM0S0F.FNB1GDG.G0183V00 VH1001 PS 1 2.08 2.08 31JUL90 31JUL07 DCI10P.DCIPTSTA.RPT#0002.G0001V00 VS1004 *** 1 0.15 0.00 07FEB90 . DCI10P.DCIPTSTB.RPT#B001.G0001V00 VH1001 *** 1 0.15 0.00 09MAR90 . DCR6770.TEST.GDG.G0001V00 VS1002 *** 1 0.75 0.00 18MAY90 . DCR6770.TEST.GDG.G0002V00 VS1004 *** 1 0.75 0.00 18MAY90 . DCR6770.TEST.GDG.G0003V00 VS1004 *** 1 0.75 0.00 18MAY90 . DMS.DMS0P003.DMSI0S0I.MS000IN0.G0049V00 VH1002 PS 1 0.05 0.05 07MAR90 09MAR07 DMS.TESTDUMP.DMSI0S0T.FNB1DATA.G0003V00 VH1004 PS 0 0.00 0.00 07DEC88 09JAN07 DMS.TESTDUMP.DMSI0S0T.FNB1DATA.G0004V00 V10001 PS 1 0.05 0.05 07DEC88 09JAN07 DPS00T.CPCSINPT.NDP00621.MS000IN0.G0005V00 V10001 PS 0 0.00 0.00 29JAN90 29JAN07 DPS00T.CPCSINPT.NDP00621.MS000IN0.G0006V00 VH1003 PS 0 0.00 0.00 30JAN90 30JAN07 DPS00T.CPCSINPT.NDP00621.MS000IN0.G0007V00 V10004 PS 1 0.30 0.30 12JUL90 13JUL07 DPS00T.DATACHG0.NDP00621.MS000IN0.G0005V00 V10001 PS 0 0.00 0.00 29JAN90 29JAN07 DPS00T.DATACHG0.NDP00621.MS000IN0.G0006V00 VH1004 PS 0 0.00 0.00 30JAN90 30JAN07 DPS00T.DLCRBUGS.IDP00621.MS000IN0.G0001V00 V10001 PS 1 0.05 0.05 28DEC89 28OCT07 DPS00T.DLRPT000.RPT#0006.G0002V00 V10003 PS 0 0.00 0.00 28JAN90 28JAN07 DPS00T.DLRPT000.RPT#0006.G0003V00 V10004 PS 0 0.00 0.00 28JAN90 28JAN07 DPS00T.DLRPT000.RPT#0006.G0004V00 VH1002 PS 0 0.00 0.00 30JAN90 30JAN07 DPS00T.DLRPT000.RPT#0008.G0004V00 VH1001 PS 0 0.00 0.00 30JAN90 30JAN07 DPS00T.DPAAXTGS.IDP00621.MS000IN0.G0002V00 V10001 PS 1 0.05 0.05 28DEC89 28OCT07 DPS00T.DPBULKGS.IDP00621.MS000IN0.G0004V00 VH1004 *** 1 10.05 0.00 29JAN90 . DPS00T.DPBULKGS.IDP00621.MS000IN0.G0005V00 V10001 *** 1 12.05 0.00 29JAN90 . DPS00T.DPBULKGS.IDP00621.MS000IN0.G0006V00 V10003 *** 1 12.05 0.00 30JAN90 . DPS00T.DPCOFRGS.IDP00621.MS000IN0.G0004V00 VH1004 *** 1 0.65 0.00 29JAN90 . DPS00T.DPCOFRGS.IDP00621.MS000IN0.G0005V00 V10001 *** 1 0.75 0.00 29JAN90 . DPS00T.DPCOFRGS.IDP00621.MS000IN0.G0006V00 V10003 *** 1 0.75 0.00 30JAN90 . DPS00T.DPCONRGS.IDP00621.MS000IN0.G0001V00 V10001 PS 1 0.25 0.25 28DEC89 28OCT07 DPS00T.DPCONRGS.IDP00621.MS000IN0.G0004V00 V10001 *** 1 29.85 0.00 29JAN90 . DPS00T.DPCONRGS.IDP00621.MS000IN0.G0005V00 VH1002 *** 1 24.85 0.00 29JAN90 . DPS00T.DPCRIMGS.IDP00621.MS000IN0.G0004V00 V10003 *** 1 9.70 0.00 29JAN90 . DPS00T.DPCRIMGS.IDP00621.MS000IN0.G0005V00 V10001 *** 1 9.70 0.00 29JAN90 . DPS00T.DPCRIMGS.IDP00621.MS000IN0.G0006V00 V10003 *** 1 9.70 0.00 30JAN90 . DPS00T.DPDARPGS.IDP00621.MS000IN0.G0003V00 VH1001 PS 1 1.95 1.95 28JAN90 30JAN07 DPS00T.DPDLBLGS.IDP00621.MS000IN0.G0004V00 V10003 *** 1 2.95 0.00 29JAN90 .
Figure 4-39. GDG Management and Retention / Detail
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