XPWatch and XPSketch Reference guide for HP XP P9000 Performance Advisor

P-VOL S-VOL LDEV performance metrics............................................................................42
P-VOL S-VOL RAID Group performance metrics..................................................................42
P-VOL S-VOL CLPR performance metrics............................................................................43
P-VOL S-VOL Port performance metrics..............................................................................43
CA Journal Metrics.............................................................................................................44
JNL (Journal Group) metrics............................................................................................45
Journal LDEV metrics......................................................................................................46
Journal RAID Group metrics............................................................................................46
Journal CLPR metrics......................................................................................................46
Host Group metrics............................................................................................................46
Array Performance Metrics.............................................................................................48
Host Group performance metrics.....................................................................................48
Port performance metrics................................................................................................49
LDEV performance metrics..............................................................................................49
RAID group performance metrics.....................................................................................50
CPU performance metrics...............................................................................................51
DKC performance metrics...............................................................................................52
5 Introduction to HP XP P9000Sketch.............................................................53
Overview..............................................................................................................................53
6 Installing HP XP P9000Sketch....................................................................54
Supported Windows platforms.................................................................................................54
Installing HP XP P9000Sketch...................................................................................................54
7 Viewing performance metrics in HP XP P9000Sketch.....................................56
Loading the Comma separated file...........................................................................................56
Setting the Java heap size value...............................................................................................56
Viewing performance metrics in HP XP P9000Sketch...................................................................57
Understanding performance metrics in HP XP P9000Sketch..........................................................59
8 Working with charts in HP XP P9000Sketch.................................................64
Viewing charts.......................................................................................................................64
Modifying chart properties.......................................................................................................64
Restoring auto range settings on the chart..................................................................................65
Saving and printing the chart...................................................................................................65
A HP XP P9000Watch use case scenarios......................................................66
Scenario 1: Port I/O spike.......................................................................................................66
Business case....................................................................................................................66
Objective..........................................................................................................................66
Resolution.........................................................................................................................66
Results..............................................................................................................................66
Scenario 2: Poor application response.......................................................................................66
Business case....................................................................................................................66
Objective..........................................................................................................................66
Resolution.........................................................................................................................66
Results..............................................................................................................................67
B Understanding write ratio in HP XP P9000Watch..........................................68
C Relationship between LDEV I/O response time and Write ratio.......................69
D Comparing LDEV response time metrics in HP XP P9000 Performance Advisor
and HP XP P9000Watch..............................................................................70
Maximum values of LDEV response time in HP XP P9000 Performance Advisor and HP XP
P9000Watch.........................................................................................................................70
Average values of LDEV response time in HP XP P9000 Performance Advisor and HP XP
P9000Watch.........................................................................................................................70
4 Contents