Disk cache change analysis, Example 4-44. disk cache change analysis – HP Integrity NonStop J-Series User Manual
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Guardian Performance Analyzer (GPA) User Guide
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Disk Cache Change Analysis
Example 4-44 is a detailed report displaying the disk cache change analysis.
Example 4-44. Disk Cache Change Analysis
Disk Cache Change Analysis
VOLUME CPU GRP MO SLT I-O Old New Delta
Name NUM NUM NO NUM Req/Sec Cache Cache Cache
-------- --- --- -- --- ------ ----- ----- -----
$PROD1 0 1 1 7 137 118 19-
$PROD2 1 11 1 17 1 80 108 28
$PROD3 1 31 1 3 13 267 400 133
$PROD4 0 11 1 7 20 164 254 90
$PROD5 1 51 1 3 1 258 80 170-
$PROD6 0 2 1 15 9 84 96 12
$PRO 3 2 1 5 8 166 234 68
$PROD8 3 4 1 3 6 166 214 48
$SYSTEM 1 1 1 11 2 87 114 27
$TEST1 0 5 1 5 80 84 4
$TEST2 0 5 1 1 1 80 89 9
$TEST3 1 5 1 11 1 80 104 24
------- ----- ----- ------
TOTAL 62 1649 1903 254
The disk cache change analysis factors are the following:
(1)
VOLUME Name: The name of the disk.
(2)
CPU NUM: The identification number of the primary processor for the volume
after primary change (if there is a primary change).
(3)
GRP NUM: The group number of the physical location address.
(4)
MO NO: The module number of the physical location address.
(5)
SLT NUM: The slot number of the physical location address.
(6)
I-O Req/Sec: The disk I/O request rate per second.
(7)
Old Cache: The original cache pages.
(8)
New Cache: The new cache pages.
(9)
Delta Cache: The difference between the new and old cache pages.