Disk cache performance score grading, Example 4-37. disk cache performance score grading, Back to toc – HP Integrity NonStop J-Series User Manual
Page 118
Guardian Performance Analyzer (GPA) User Guide
– (544541-006) Page 118 of 131
Disk Cache Performance Score Grading
The Cache Hit Rate of each disk on the node is a positive contributing factor to the disk
cache performance score. The final score of the disk cache subsystem is the average
cache hit rate of all volumes. Example 4-37 is a detailed report displaying the disk
cache subsystem score grading.
Example 4-37. Disk Cache Performance Score Grading
DETAIL Disk Cache Performance Score Grading
Disk name Grading
--------- -------
$PROD1 + 25
$PROD2 + 71
$PROD3 + 76
$PROD4 + 81
$PROD5 + 92
$PROD6 + 85
$PROD7 + 91
$PROD8 + 93
$SYSTEM + 50
$TEST1 + 81
$TEST2 + 78
--------- -------
Disk Cache Score: 823 / 11 = 75%
Notes on Disk Cache Performance Score: Good = 90% thru 100%
Fair = 75% thru 89%
Poor = 2% thru 74%