HP XP P9000Watch and HP XP P9000Sketch Reference Guide for HP XP P9000 Performance Advisor v5.5 (T1789-96341, February 2013)

P-VOL S-VOL LDEV performance metrics............................................................................43
P-VOL S-VOL RAID Group performance metrics..................................................................43
P-VOL S-VOL CLPR performance metrics............................................................................44
P-VOL S-VOL Port performance metrics..............................................................................44
CA Journal Metrics.............................................................................................................45
JNL (Journal Group) metrics............................................................................................46
Journal LDEV metrics......................................................................................................47
Journal RAID Group metrics............................................................................................47
Journal CLPR metrics......................................................................................................47
Host Group metrics............................................................................................................48
Array Performance Metrics.............................................................................................50
Host Group performance metrics.....................................................................................51
Port performance metrics................................................................................................51
LDEV performance metrics..............................................................................................51
RAID group performance metrics.....................................................................................52
CPU performance metrics...............................................................................................53
DKC performance metrics...............................................................................................54
5 Introduction to HP XP P9000Sketch.............................................................55
Overview..............................................................................................................................55
6 Installing HP XP P9000Sketch....................................................................56
Supported Windows platforms.................................................................................................56
Installing HP XP P9000Sketch...................................................................................................56
7 Viewing performance metrics in HP XP P9000Sketch.....................................58
Loading the Comma separated file...........................................................................................58
Setting the Java heap size value...............................................................................................58
Viewing performance metrics in HP XP P9000Sketch...................................................................59
Understanding performance metrics in HP XP P9000Sketch..........................................................61
8 Working with charts in HP XP P9000Sketch.................................................65
Viewing charts.......................................................................................................................65
Modifying chart properties.......................................................................................................65
Restoring auto range settings on the chart..................................................................................66
Saving and printing the chart...................................................................................................66
A HP XP P9000Watch use case scenarios......................................................67
Scenario 1: Port I/O spike.......................................................................................................67
Business case....................................................................................................................67
Objective..........................................................................................................................67
Resolution.........................................................................................................................67
Results..............................................................................................................................67
Scenario 2: Poor application response.......................................................................................67
Business case....................................................................................................................67
Objective..........................................................................................................................67
Resolution.........................................................................................................................67
Results..............................................................................................................................68
B Understanding write ratio in HP XP P9000Watch..........................................69
C Relationship between LDEV I/O response time and Write ratio.......................70
D Comparing LDEV response time metrics in HP XP P9000 Performance Advisor
and HP XP P9000Watch..............................................................................71
Maximum values of LDEV response time in HP XP P9000 Performance Advisor and HP XP
P9000Watch.........................................................................................................................71
Average values of LDEV response time in HP XP P9000 Performance Advisor and HP XP
P9000Watch.........................................................................................................................71
4 Contents