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228 Storage Management with DB2 for OS/390
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 2B80 SSID 008A CDATE 02/12/1999 CTIME 15.05.41 CINT 00.37.56
TYPE-MODEL 9393-002
0------------------------------------------------------------------------------------------------------------------------------------
CACHE SUBSYSTEM STATUS
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0SUBSYSTEM STORAGE NON-VOLATILE STORAGE STATUS
0CONFIGURED 1024.0M CONFIGURED 8.0M CACHING - ACTIVE
AVAILABLE 1024.0M 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 36324 CACHE I/O 36324 CACHE OFFLINE 0
TOTAL H/R 0.997 CACHE H/R 0.997
-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 5668 2.5 5556 2.4 0.980 0 0.0 0 0.0 0 0.0 N/A 100.0
SEQUENTIAL 30656 13.5 30643 13.5 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 36324 16.0 36199 15.9 0.997 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 112 0.0 0 0.0 125 0.1 CFW BYPASS 0 0.0 BYPASS 0 0.0
SEQUENTIAL 13 0.0 0 0.0 69055 30.3 DFW INHIBIT 0 0.0 TOTAL 0 0.0
CFW DATA 0 0.0 0 0.0 ASYNC (TRKS) 0 0.0
0TOTAL 125 RATE 0.1
----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 2B80 SSID 008A CDATE 02/12/1999 CTIME 15.05.41 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 16.0 15.9 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.997 0.997 N/A 100.0
*CACHE-OFF 0.0 0.0
*CACHE 100.0 16.0 15.9 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.997 0.997 N/A 100.0