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Facilità d'uso
P-VOL S-VOL Port performance metrics ............................................................................ 52
CA Journal Metrics ............................................................................................................. 53
JNL (Journal Group) metrics ........................................................................................... 54
Journal LDEV metrics .................................................................................................... 54
Journal RAID Group metrics .......................................................................................... 54
Journal CLPR metrics ..................................................................................................... 54
Host Group metrics ............................................................................................................. 55
Array Performance Metrics ............................................................................................ 57
Host Group performance metrics .................................................................................... 58
Port performance metrics ............................................................................................... 58
LDEV performance metrics ............................................................................................. 59
RAID group performance metrics ................................................................................... 60
CPU performance metrics .............................................................................................. 61
DKC performance metrics ............................................................................................. 62
5 Introduction to P9000Sketch .............................................................. 63
Overview ................................................................................................................................. 63
6 Installing P9000Sketch ..................................................................... 65
Supported Windows platforms ................................................................................................... 65
Installing P9000Sketch .............................................................................................................. 65
7 Viewing performance metrics in P9000Sketch ...................................... 67
Loading the Comma separated file .............................................................................................. 67
Setting the Java heap size value ................................................................................................. 68
Viewing performance metrics in P9000Sketch .............................................................................. 68
Understanding performance metrics in P9000Sketch ..................................................................... 71
8 Working with charts in P9000Sketch .................................................. 75
Viewing charts ......................................................................................................................... 75
Modifying chart properties ......................................................................................................... 75
Restoring auto range settings on the chart .................................................................................... 76
Saving and printing the chart ..................................................................................................... 76
A P9000Watch use case scenarios ....................................................... 77
Scenario 1: Port I/O spike ......................................................................................................... 77
Business case ..................................................................................................................... 77
Objective .......................................................................................................................... 77
Resolution ......................................................................................................................... 77
Results .............................................................................................................................. 77
Scenario 2: Poor application response ......................................................................................... 77
Business case ..................................................................................................................... 77
Objective .......................................................................................................................... 78
Resolution ......................................................................................................................... 78
Results .............................................................................................................................. 78
B Understanding write ratio in P9000Watch ........................................... 79
C Relationship between LDEV I/O response time and Write ratio .............. 81
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