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NOTE:
If you set 1 minute for Gathering Interval, the sampling data is held one day. If you set
15 minu te s for Gathering Interval, the sampling data is held 15 days. When you change
Gathering Interval, data obtained before the change is deleted.
4. Click Apply.
Stopping usage monitoring
1. Select the Usage Monitor tab.
2. In the Monitoring Switch box, select Disable.
3. Click Apply.
NOTE:
Depending on the SVP's load status, you might not be able to stop monitoring. If you cannot stop
monitoring immediately, wait for a while, and click Refresh (top right of Command View XP or XP
Remote Web Console pane) to check the status of the monitor.
NOTE:
Monitoring data collection continues, even if the pane is closed, until you stop monitoring operations.
Monitoring data collection continues even if the SVP is rebooted.
Displaying the usage monitor graph
When usage monitoring is running, the Usage Monitor pane displays user-selected remote copy I/O
statistics in real time. I/O statistics data is collected according to the data-sampling rate selected in
the Gathering Interval box.
The usage monitor graph plots user-selected I/O statistics (up to 65 data points) on an x-y graph.
The x-axis displays time. The y-axis displays the number of I/Os during the last sampling period.
The legend (right side of the graph) indicates data being displayed. A value on the y-axis varies
according to the maximum value of the statistical data displayed. If the value on the y-axis exceeds
10,000,000, the value is displayed in exponential notation (for example, 1E7 = 1x10
7
= 10,000,000;
2E8=2x10
8
= 200,000,000).
1. Ensure that usage monitoring is running. The usage monitor graph is only displayed when
monitoring is on.
2. Right-click the graph area on the Usage Operations pane, and click Display Item.TheDisplayItem
pane (Figure 67) appears.
3. In Select LU, do one of the following:
• To display I/O statistics for all LDEVs in the array, select Subsystem.
• To display I/O statistics for a specific journal group, select JNL Group, and enter a journal
group number (00-FF).
NOTE:
If you specify an unused journal group, the graph is not displayed.
• To display I/O statistics for a specificLU,selectDevice, select a port (CL1-A to CLG-R), and
enter the G-ID (00-FE) and LUN (00-3FF).
Continuous Access XP Journal user guide
167
- HP StorageWorks 1
- Contents 3
- About this guide 13
- Document conven 14
- HP technical support 14
- Subscription service 15
- HP websites 15
- Documenta 15
- 1OverviewofHPcopysolutions 17
- Overview of HP copy solutions 18
- XP Journal 19
- Journal obtain 20
- Journal copy 20
- Journal restore 20
- Components 21
- Local arrays 22
- Journal groups 23
- Data volume pairs 23
- Journal volumes 24
- Journal volume areas 25
- Consistency groups 26
- Remote copy connections 27
- Host failover software 28
- Update copy operations 30
- Read and w 30
- Journal processing 31
- Journal types 33
- Journal group o 34
- Journal obtain i 35
- Switching C 36
- Continuous Acce 44
- System requirements 47
- Logical unit (LU) types 48
- Maximum number of pairs 50
- Journal gr 51
- Duplicate volumes 53
- Installing h 58
- Planning for journal volumes 60
- Planning process 61
- Arranging journal volumes 62
- Journal volume capacity 62
- Access XP Journal operations 64
- You cannot u 68
- Combining Conti 69
- Basic behavior 75
- Hardware configuration 75
- Setup proce 76
- Disaster recovery 76
- Hardware configurations 78
- Setup procedure 79
- Transfer 87
- Copying access attributes 95
- See Table 27 97
- If the Writ 97
- If Continuous Ac 100
- DKC Operation pane components 100
- Changing option 108
- Adding logical paths 109
- Deleting logical paths 110
- 5 Using journal groups 117
- Using journal groups 118
- Changing opt 132
- Deleting journal groups 136
- Journal pair operations 141
- Restoring a p 159
- 7 Monitoring remote copy 165
- Starting usage monitoring 166
- Stopping usage monitoring 167
- Figure 67 Display Item pane 169
- Statistic Description 169
- 8Viewinghistoryofdatavolume 171
- History Operat 172
- 4. Click OK 175
- Changing array options 178
- Transferring 182
- Disaster recovery operations 184
- Overview o 185
- Blade syst 185
- Scope of Co 186
- Prerequisites 188
- Notes on operations 189
- Preparing fo 190
- NAS Blade 193
- Manager User's Guide 193
- (instance 16) 198
- Remote copy operations 201
- Splitting Cont 203
- Resynchronizin 205
- Disaster reco 207
- Commands 211
- Messages 211
- 12 Troubleshooting 213
- Corrective action 214
- Calling HP 219
- Troubleshooting 220
- When power i 221
- 14 Pinned track recovery for 225
- Continuous Access XP Journal 225
- 15 SIM reporting 227
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