Reports for IBM VTS virtual tape systems are distributed as
MICF inquiries and are listed in Figure 3-4.
All of the IBM VTS inquiries generate line-printer reports.
Samples of each report are presented in the following
sections.
All reports can be produced at multiple summarization levels.
Dates and titles are adjusted appropriately based on the
timespan and summarization level chosen for the execution.
After data has been collected for a time period, this
summarization capability can be used to "drill down" to a
specific time frame.
For example, production trend reporting can be done at the
WEEKS timespan level for the most recent 26 weeks. If the
report from last week's data shows erratic behavior at the
weekly level, the same report can be used to drill down to
the DAYS and DAYS BY HOUR level, to determine the specific
interval where the abnormal behavior occurred.
User Modification
-----------------
The MICF inquiries provide a user exit that can be used to
perform additional data element modification or record
selection from the CA MICS database. To invoke this exit,
the shared inquiry must first be copied into the private MICF
catalog, then selected for modification. Finally, SAS
statements must be coded in the SELECT macro, bracketed by
the %MACRO and %MEND statements, which are provided.
The default for the SELECT macro is null. This macro is
invoked when the observations are read from the specified CA
MICS files. The macro can be used to delete observations
from the data as it is processed. For example, for a
published study, it may be necessary to change the actual VTS
Library Sequence Numbers (IVTVLS) and VTS Composite Library
ID (IVTCMPID) values that appear in the report. The
following code would accomplish this requirement:
%MACRO SELECT;
IF IVTVLS = 'PROD01' THEN IVTVLS ='VTS001' ;
IF IVTCMPID = 'PRDC01' THEN IVTCMPID ='CMP001' ;
... additional remapping statements ...
%MEND SELECT;
Use this macro to exclude systems from the report, for
example, exclude all test systems:
%MACRO SELECT;
IF SYSID NE: 'T';
%MEND SELECT;
IMPORTANT! All SAS statements must be coded in accordance
with the syntax of the SAS Macro Language, as described in
the SAS guides. No validity checking is done on the defined
code. If the user code contains syntax errors or the logic
produces syntax errors, the inquiry will either terminate
abnormally or will produce unpredictable results.
Inquiry Naming Conventions
--------------------------
The VTS component MICF inquiry names follow the form cccptn,
where:
ccc = The three-character product identifier (TAP).
p = The type of report: C (color graphic), L (list),
or P (printer).
t = The technology reported on: V (IBM VTS) or S
(StorageTek VSM).
n = A character that differentiates this inquiry
from others.
For example, an inquiry named TAPLVC would be interpreted
as follows:
TAPLVC ---||+= the third list inquiry | || | |+= for IBM VTS | | | += a list inquiry | += a Tape Analyzer Option inquiry +--------------+----------------------------------------------+----------+ | Report Class | Report Name | Report ID| +--------------+----------------------------------------------+----------+ | Perform | IBM VTS Performance Overview | TAPLVA | | | IBM VTS DASD Cache Analysis | TAPLVB | | | IBM VTS Physical Tape Drive Analysis | TAPLVC | | | IBM VTS Virtual Tape Drive Analysis | TAPLVD | | | IBM VTS Virtual Tape Mount Analysis | TAPLVE | | | IBM VTS Cartridge Use Distribution | TAPLVF | +--------------+----------------------------------------------+----------+
Figure 3-4. MICF Distributed Inquiries for IBM VTS
These MICF inquiries for IBM VTS are accessed through the
MICF Inquiries panel of the CA MICS Workstation Facility
(MWF).
The first subsection below explains the layout and user-
modifiable fields in the MICF displays for IBM VTS inquiries.
The next sections discuss each of the MICF inquiries for IBM
VTS virtual tape systems:
1 - IBM VTS MICF Inquiry General Information
2 - IBM VTS Performance Overview (TAPLVA)
3 - IBM VTS DASD Cache Analysis (TAPLVB)
4 - IBM VTS Physical Tape Drive Analysis (TAPLVC)
5 - IBM VTS Virtual Tape Drive Analysis (TAPLVD)
6 - IBM VTS Virtual Tape Mount Analysis (TAPLVE)
7 - IBM VTS Cartridge Use Distribution (TAPLVF)
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