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230 Storage Management with DB2 for OS/390
RVA 2
1 CACHE SUBSYSTEM ACTIVITY
PAGE 1
OS/390 SYSTEM ID QP02 START 02/12/1999-15.05.39 INTERVAL 000.38.01
REL. 02.06.00 RPT VERSION 2.6.0 END 02/12/1999-15.43.41
0SUBSYSTEM 3990-03 CU-ID 2C00 SSID 2007 CDATE 02/12/1999 CTIME 15.05.40 CINT 00.37.56
TYPE-MODEL 9393-002
0------------------------------------------------------------------------------------------------------------------------------------
CACHE SUBSYSTEM STATUS
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0SUBSYSTEM STORAGE NON-VOLATILE STORAGE STATUS
0CONFIGURED 1280.0M CONFIGURED 8.0M CACHING - ACTIVE
AVAILABLE 1280.0M PINNED 0.0 NON-VOLATILE STORAGE - ACTIVE
PINNED 0.0 CACHE FAST WRITE - ACTIVE
OFFLINE 0.0 IML DEVICE AVAILABLE - YES
0------------------------------------------------------------------------------------------------------------------------------------
CACHE SUBSYSTEM OVERVIEW
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0TOTAL I/O 9605 CACHE I/O 9605 CACHE OFFLINE 0
TOTAL H/R 0.999 CACHE H/R 0.999
-CACHE I/O -------------READ I/O REQUESTS------------- ----------------------WRITE I/O REQUESTS---------------------- %
REQUESTS COUNT RATE HITS RATE H/R COUNT RATE FAST RATE HITS RATE H/R READ
0NORMAL 158 0.1 152 0.1 0.962 0 0.0 0 0.0 0 0.0 N/A 100.0
SEQUENTIAL 9447 4.2 9447 4.2 1.000 0 0.0 0 0.0 0 0.0 N/A 100.0
CFW DATA 0 0.0 0 0.0 N/A 0 0.0 0 0.0 0 0.0 N/A N/A
0TOTAL 9605 4.2 9599 4.2 0.999 0 0.0 0 0.0 0 0.0 N/A 100.0
------------------------CACHE MISSES----------------------- ------------MISC------------ ------NON-CACHE I/O-----
REQUESTS READ RATE WRITE RATE TRACKS RATE COUNT RATE COUNT RATE
DFW BYPASS 0 0.0 ICL 0 0.0
NORMAL 6 0.0 0 0.0 6 0.0 CFW BYPASS 0 0.0 BYPASS 0 0.0
SEQUENTIAL 0 0.0 0 0.0 21789 9.6 DFW INHIBIT 0 0.0 TOTAL 0 0.0
CFW DATA 0 0.0 0 0.0 ASYNC (TRKS) 0 0.0
0TOTAL 6 RATE 0.0
----CKD STATISTICS--- ---RECORD CACHING---
0WRITE 0 READ MISSES 0
WRITE HITS 0 WRITE PROM 0
1 CACHE SUBSYSTEM ACTIVITY
PAGE 2
OS/390 SYSTEM ID QP02 START 02/12/1999-15.05.39 INTERVAL 000.38.01
REL. 02.06.00 RPT VERSION 2.6.0 END 02/12/1999-15.43.41
0SUBSYSTEM 3990-03 CU-ID 2C00 SSID 2007 CDATE 02/12/1999 CTIME 15.05.40 CINT 00.37.56
TYPE-MODEL 9393-002
0------------------------------------------------------------------------------------------------------------------------------------
CACHE SUBSYSTEM DEVICE OVERVIEW
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0VOLUME DEV DUAL % I/O ---CACHE HIT RATE-- ----------DASD I/O RATE---------- ASYNC TOTAL READ WRITE %
SERIAL NUM COPY I/O RATE READ DFW CFW STAGE DFWBP ICL BYP OTHER RATE H/R H/R H/R READ
0*ALL 100.0 4.2 4.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.999 0.999 N/A 100.0
*CACHE-OFF 0.0 0.0
*CACHE 100.0 4.2 4.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.999 0.999 N/A 100.0