Hp XP Performance Advisor Software Bedienungsanleitung Seite 112
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Metric Category Metric
Description
Cache Usage Uti
l
Cache Writes Pe
nding Util
Cache Sidefile Usage Util
Cache Usage Uti
lization, Cache
Writes Pending
Utilization, Cache
Sidefile Usage Utilization
THP Pool Occupancy
The usage rate of a XP Thin
Provisioning (THP) pool.
The THP Pool O ccupancy is
displayed only for XP24000.
SNAPSHOT Pool Occupancy
The usage rate of a Snapshot pool.
The Snapshot Pool Occupancy is
displayed only for XP 24000.
Utilization Metrics, cont.
Journal File Usage Util
The usage rate of a Continuous
Access Journal File.
Backend Metrics
LDEV Sequential Read Tracks
LDEV Non-sequential Read Tracks
LDEV Write Tracks
RAID Group Se-
quential Read Tracks
RAID Group Non-se-
quential Read Tracks
RAID Group Write Tracks
AC P Pair Sequential Read Track s
ACP Pair Non-se-
quential Read Tracks
ACP Pair Write Tracks
Response Time Metrics
Average Read Response
Maximum Read Response
Average Write Response
Maximum Write Response
Single LDEVs
Coll
ecting data
Use P
A XP to display data collected at different collection rates in the same chart as if all of the data were
collected at the same collection rate. (This occurs when collecting from multiple DKCs at different rates.)
To manage varying collection rates, PA XP uses cubic spline interpolation or approximation. The b asis
for the interpolation depends on the master that is selected. The master will be the set of d ata points
that
represent the most recent colle ction period, as well as the shortest collection period. (The shor test
collection period is defined as the c ollection period where the data is most frequently collected.) After the
system determines the master, the other data points are interpolated to match the master. For example, if
you
collected a set of data at five-minute intervals on one DKC, and another set of data at one-minute
intervals on another DK C, the system will carry out its cubic spline interpolation (appro ximation)
based on the data collected at one-minute intervals. All data will display as if it were being collected
at o
ne-minute intervals.
If the data has the same number of collection points, the master will b e the data collected from the DKC
with the shortest collection period. The system will never return m ore than 1,000 points. (10 points of
da
ta are set as the default.)
NOTE:
If a chart is not produced after you click Show Char t, the time lines of the selected metrics might not
align. In other words, it is possible that old data values (for example, values from one week ago) are not
aligning with new data values (for example, values from yesterday). Other possible causes are that no
data was collected for the time specified, or that data was not collected from the DKC. Check the Java
Console for messages. Click View,andthenclickJava Console in your browser.
112
Charts
- Softw are user guide 1
- Contents 3
- About this guide 13
- Document conven 14
- Rack stability 14
- HP technical support 15
- Cu stomer self r epair 15
- Product warranties 15
- Subscription service 15
- HP websites 15
- Documentatio 16
- 1 HP StorageWorks Performance 17
- Advisor XP 3.3 17
- Using Performance Advisor XP 20
- 3 G rid Display 21
- Using the Grid Display screen 22
- Working with LDEVs 26
- Additional details 26
- SLPR detail view 26
- CLPR detail view 27
- RAID group detail view 27
- Grid Display 28
- Array mapping 29
- Viewing and sorting data 31
- Secondary Volume (SVOL) 37
- 4ArrayView 39
- Viewing the data 40
- Utilization Summary 41
- 10 busiest LD EVs/Ports 42
- 10 busiest LDEVs/RAID groups 42
- Cache usage chart 43
- Refreshing information 44
- 46 Array View 46
- 5AlarmHistory 47
- Alarm History 48
- 6EventLog 53
- Event Log 54
- Filtering by type 55
- Refreshing the screen 56
- 7 Host Information 59
- Restoring chan 60
- Removing a host 60
- Viewing updated information 61
- Components 61
- Host Information 62
- 8DataCollectionConfiguration 63
- Collecting configuration data 64
- Collecting performance data 65
- Data Collection Configuration 66
- 9AlarmConfiguration 73
- List box 74
- Alarm Configuration 76
- Level and T r end alarm types 77
- Creating an alar 78
- Enabling email notifications 78
- Configuring an alarm 78
- Enabling an ala 79
- Setting threshold levels 79
- Scheduling alarm notifications 80
- Disabling an alarm 81
- HP StorageWorks 82
- 10 Database Configura tion 85
- Configuringthedatabasesize 86
- Event logging 87
- Backing up 87
- Database reset 88
- 11 Group C on figuration 89
- Charting groups 90
- Deleting groups 90
- Viewing gr oup configura tions 90
- 12 Data Grid Update 93
- Modifying rec 94
- Deleting a record 94
- Data Grid Update 96
- 13 Security 97
- 98 Security 98
- Using the Users tab 99
- Changing the User password 100
- V iewing group pr operties 101
- 102 Security 102
- 14 Charts 103
- Working with g roups 105
- Metric Category Metric 109
- Description 109
- Viewing data 113
- Component 115
- 15 View/Generate Reports 117
- Creating a repo 118
- Enabling email n otifications 119
- Viewing a report 119
- Deleting a report 119
- 16 Schedules 121
- Creating a schedule 122
- Deleting a sch edule 123
- 17 Performance Estimator 125
- Performance Estimator 126
- Components of t 128
- AAppendix 129
- Appendix 130
- BAppendix 131
- Total I/O Rate Detail report 132
- Read/Write Ratio report 133
- Read/Write Detail report 135
- LDEV IO reports 136
- Cache utilization reports 140
- Cache Write Pending report 141
- Percentage Read Hits report 141
- Total Backend Transfer report 142
- ACP Utilization 144
- CHIP utili 145
- Snapshot pool occupancy 147
- CAppendix 149
- DAppendix 151
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