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If you are collecting performance data for the firsttimeonthearray,ittakeslongerthanusualfor
PA XP to get the data. Subsequent performance data collection on the array is as per the time
specified in the Frequency text box.
NOTE:
To ensure optimal performance and results, the maximum number of LDEVs for data
collection is 6000. This is the total number of LDEVs across all arrays that are visible to a
particular host agent. You can decrease the total number of LDEVs visible to a host agent,
by restricting the LDEVs that visible to the host. You can increase the maximum number
of LDEVs visible to a host agent, by increasing the number of LDEVs that are visible to
the host. For inf ormation on increasing the number of LDEVs that ar e visible to the Host
Agent, see For the management station.
Stopping performance data collection
The Data Collection Configuration screen allows you to specify whether or not you want to collect
performance data. To stop collecting performance d ata on a command device, complete the following
steps:
1. Select a row in the list box to highlight the command device(s) that you want to stop collecting
data on.
2. Select Collect Performance Data.
3. Select Stop Data Collection.
4. Click Submit . Performance data collection on the command device stops.
Increasin g the maximum number of LDEVs
To ensure optimal performance and results, the maximum number of LDEVs for data collection is restricted
to 6000. To increase the m a ximum number of LDEVs to 16000, increase the amount of memory given
to the J VM when you start the host agent and managem ent station services. You can do this for the
management station and the host station.
For the ma nagement station
To increase the maximum number of LDEVs for the mana gem ent station, complete the following steps:
1. Open the file: HPSS\pa\tomcat\conf\wrapper.properties
2. Editthelastlineofthefollowingfile from:
wrapper.cmd_line=$(wrapper.javabin) -Dhpss.home.dir= $(hpss_home)
-Xmx384m -Xrs -classpath $(wrapper.class_path)$(wrapper.startup_class)
-config $(wrapper.server_xml -home $(wrapper.tomcat_home)
to
wrapper.cmd_line=$(wrapper.javabin) -Dhpss.home.dir= $(hpss_home)
-Xms256M -Xmx512M -Xrs -classpath $(wrapper.class_path)
$(wrapper.startup_class) -config $(wrapper.server_xml -home
$(wrapper.tomcat_home)
For the host agent on UNIX/Linux hosts
To increase the maximum number of LD EVs for the host agent on a UNIX or Linux host, comp lete the
following steps:
1. Open the file: /opt/sanmgr/hostagent/sbin/HA_trigger
2. Edit the following line from:
HP StorageWorks Performance Advisor XP Software user guide
69
- 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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