GPA Manual for G-series RVUs

Guardian Performance Analyzer (GPA) Manual – (544977-001) Page 94 of 106
$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%
Negative Contributing Factors to Disk Volume Score
This subsection of the score report clarifies the subsection Disk Volume Subsystem
Performance Score of the System Performance Summary. The disk volume
subsystem score is based on the performance and queue time of all disks. Example
4-39 is a detailed report displaying the disk volume subsystem score.
Example 4-39. Negative Contributing Factors to Disk Volume Score
DETAIL Negative Contributing Factors to Disk Volume Score
1 2 3 4 5 6 7 8
Disk name Blockd Hiproc Indexd Memory Overbs Pcache Queued R:C <1 Grading
--------- ------ ------ ------ ------ ------ ------ ------ ------ -------
$PROD3 X X X X X X - 7%
$PROD4 X X X X X - 32%
$PROD5 X X X - 3%
$PROD6 X X X X X - 5%
$PROD7 X X X X - 5%
$PROD8 X X X - 10%
$SYSTEM X X X X - 8%
$TEST2 X X X X - 2%
$TEST3 X X X X - 5%
--------- ------ ------ ------ ------ ------ ------ ------ ------- -------
Disk Score: 23%
NEGATIVE CONTRIBUTING FACTORS:
Blockd - Disk Blocked Problem Overbs - Cpu Overbusy Problem
Hiproc - High Proc Rate Pcache - Poor Cache
Indexd - Disk Reqs:Cache > 3.0 Queued - Disk Queue Problem
Memory - Memory Shortage R:C <1 - Disk reqs:Cache < 1.0
Notes on Disk Volume Subsystem Score: Good = 90% thru 100%
Fair = 75% thru 89%
Poor = 2% thru 74%
The negative contributing factors are the following:
(1)
Blockd: A disk with high request queue time and blocked requests