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Source: VCADAA file at the DETAIL timespan
VCA_VS file at the DETAIL timespan
Function: Provides a detailed account of the effect of
certain space management actions on individual
data sets and volumes.
Many automated storage management software
products, such as DFHSM, allow users to delete or
migrate older data sets, and to release unused
space from data sets that have been allocated
incorrectly. This report allows users to simulate
these actions and then tune these threshold values
so that the desired result will be achieved.
Any combination of these different actions can be
simulated--automatic deletion, automatic
migration, and automatic release of over-allocated
space.
Features: Users installing automated storage management
products can choose thresholds that allow them to
start using their new software sooner, without
having an adverse effect on data availability.
Users already using automated products can use the
charts to set new thresholds, or to ensure that
their existing thresholds are effective.
As a user option, VSAM files can be included in
the analysis.
This detailed report would probably be run after
approximate thresholds were defined, to double
check the effect of those values on a data set by
data set basis.
SMS
Issues: This report can be used to simulate most of the
actions that are provided through the SMS
management class. This simulation will ensure the
values you specify in your management class
definition will achieve the desired result. After
implementation, the report can be used to monitor
the effect of proposed changes to the management
class definition, before actually making the
change.
COLUMN DESCRIPTIONS
Data Set Name
The name of the data set.
Action Taken
The simulated action that would have been taken
against this data set. This indicates if the data
set would have been MIGRATED, DELETED, or had
excess space RELEASED.
Date Created
The date that the data set was first allocated to
a DASD volume.
Date Expires
The data a data set can be deleted or overwritten
by another data set.
Date Last Used
The date that a data set was last referenced.
Days Since Create
The number of days between the date the data set
was created and the date the data was collected.
Days Since Used
The number of days between the date the data set
was last used and the date the data was collected.
Trks Freed
The number of tracks formerly occupied by this
data set that would have been freed by the
simulation actions. For migrated or deletion data
sets, this will be the same value as tracks
allocated, but for released data sets it will
indicate the number of tracks that would have been
released.
Trks Alloc
The number of tracks allocated to this data set on
the current volume.
Trks Used
The number of tracks actually in use by this data
set on the current volume.
Space Alloc (KB)
The amount of space allocated by the data set,
expressed in thousands of bytes (kilobytes).
Data Set Org
The organization of data set.
SPACE MANAGEMENT FUNCTION SIMULATION (STGEJB) 17 CA MICS StorageMate - DETAIL ABC CORPORATION ---------------------------------------- System Identifier=SYS7 Volume Serial Number=DXB902 ---------------------------------------- Data Set Name Action Date Date Date Days Days Trks Trks Trks Space Data Taken Created Expires Last Since Since Freed Alloc Used Alloc Set Used Create Used (KB) Org FFF007.PDFV2.ISPPROF MIGRATED 16SEP87 . 14MAY90 1071 100 1 1 1 47 PO FFF046.PDFV2.ISPPROF MIGRATED 04JAN90 . 14MAY90 230 100 1 1 1 47 PO QCAM.NAS9004U.IMSSUS2 MIGRATED 23MAY90 . 23JUN90 91 60 130 130 130 6172 PS SYS6.TRACE MIGRATED 01MAY90 . 01MAY90 113 113 2 2 0 95 PS SYS7.PDFV2.ISPSLIB MIGRATED 26FEB90 . 11JUN90 177 72 45 45 41 2136 PO PROMON.R521.CNTL MIGRATED 30MAY90 . 30MAY90 84 84 14 14 14 665 PO PRODUCT.R521.PRODUCT.SMPMCSO MIGRATED 06JUN90 . 14JUN90 77 69 2 2 2 95 PS CARTGT.BSGG.ADJUST.Y002C003 RELEASED 12JUL90 . 24JUL90 41 29 2 60 1 2848 PS CARTGT.BSGG.DISK.DET.DATA.Y002C003 RELEASED 12JUL90 . 25JUL90 41 28 3 150 75 7121 DA LNR000.TCPCS.MASTCMEM RELEASED 20MAR89 . 21AUG90 520 1 1 326 306 15477 DA LNR036.DAYTIME.SOURCE RELEASED 07AUG90 . 21AUG90 15 1 3 82 8 3893 PO LNR063.PRIVATE.DETAIL RELEASED 12MAR90 . 17AUG90 163 5 8 630 469 29906 DA LNR153.FEDX.BEFORE.WEEKS RELEASED 21AUG90 . 21AUG90 1 1 19 400 2 18988 DA LNR182.CSS.REPORT RELEASED 16JUL90 . 21AUG90 37 1 1 20 0 950 PS MONDAY.S6P.WEEKS RELEASED 09MAY90 . 08AUG90 105 14 3 200 129 9495 DA MARKETS.PRD9004U.WEEKS RELEASED 23APR90 . 18JUL90 121 35 4 159 65 7549 DA QCAM.INT9004C.LOAD RELEASED 22MAY90 . 14AUG90 92 8 2 53 11 2516 PO QCAM.SEE4160Z.AFTER1.DETAIL RELEASED 07AUG90 . 17AUG90 15 5 2 100 47 4748 DA QCAM.TMP9004C.SOURCE RELEASED 04APR90 . 22AUG90 140 0 5 765 655 36316 PO QCAM.DIC.TEXT RELEASED 18JUN90 . 15AUG90 65 7 1 41 6 1946 PO -------------------------------------------- ------ ----- ----- ------ VOLSER 3575 6507 4515 308913 SYSID 8648 16601 10764 788116 ====== ===== ===== ====== 8648 16601 10764 788116 N= 116
Figure 4-66. Space Management Function Simulation / Detail
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