Hp Integrity NonStop J-Series Manuel d'utilisateur télécharger pdf (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%

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Hp Integrity NonStop J-Series Manuel d'utilisateur Page 118