The CA MICS STK VSM Disk Buffer Usage Chart is created from
measurements in the Subsystem Performance Request (SVTSSP)
file. The report charts the disk buffer usage in the VTSS.
The report body displays the following measurements:
o Total Disk Buffer Capacity (GB) (SSPAVTCP)
o Used Disk Buffer (GB) (SSPAVUCP)
o Free Disk Buffer (GB) (SSPAVFCP)
USAGE CONSIDERATIONS:
If several systems are sharing the VTSS resource, consider
selecting only a primary SYSID to report on. The same data
is reported to all systems that are sharing the resource.
Without specifying a primary SYSID to report on, the charts
for all systems sharing the VTSS will look similar.
To produce the report:
o Enter the CA MICS Workstation Facility (MWF)
o Choose option 2, CA MICS Information Center Facility
(MICF)
o Choose option 2, Database Inquiries
o Select TAPPSB, whose Catalog Group is PERFORM
o Complete the MICF Execution panel
o Complete the specification panel. Refer to section
3.2.2.1, StorageTek VSM MICF Inquiry Specification
Panels, for information about modifiable panel fields.
The following report sample shows the hour changes in disk
buffer capacity by hour throughout the day for each
SYSID/VTSSID combination.
DAYS STK VSM Disk Buffer Usage Chart --------------------------------------------- System Identifier=SYS1 VTSS ID=VTSS1 ------------------------------------------------- Plot of SSPAVTCP*HOUR. Symbol used is 'T'. Plot of SSPAVUCP*HOUR. Symbol used is 'U'. Plot of SSPAVFCP*HOUR. Symbol used is 'F'. 3,500.00 + T T T T T T T T T T T T T T T T T T T T T T T T | | | | A | v 3,000.00 + g | | D | i | s | U k 2,500.00 + U U U U U | U U U U U U B | U U U U U U U U U U U U u | f | f | e | r 2,000.00 + | C | a | p | a | c | i 1,500.00 + t | y | | ( | G | F F F F B | F F F F F F F F F F F F F F ) 1,000.00 + F F | F F F F | | | | 500.00 + ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+-- 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Hour of Day CA MICS VTS TAPPSB BASED ON Data Presented by Hour within Day
Figure 3-13. StorageTek VSM Disk Buffer Usage Chart
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