Hp XP Array Manager Software Instrukcja Użytkownika Strona 38
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Oceniono. / 5. Na podstawie oceny klientów
When you draw a graph, use the Detail check box to illustrate the desired information and the
Chart Y Axis Rate drop-down list to arrange the graph as you like.
Figure 11 Cha
rt Y Axis Rate Drop-Down List and Detail Check Box (LDEV Tab)
The Chart Y Axis Rate drop-downlistletsyou select thehighest valueofthe Y-axis (the vertical
axis) of the graph.
If you select the Detail check box and then the Draw button, the graph displays detailed statistics
as explained in Table 5 on page 38. The information in the graph depends on the item selected
in the drop-down list on the right of the list.
Table 5 Detailed Information that can be Displayed in the Graph (LDEV Tab)
Select Detail and this Item in
the Drop-Down List
The Graph Contains
IO Rate
• statistics in sequential access mode
• statistics in random access mode
• statistics in CFW (cache fast write) mode
Note
: If the read hit ratio or the write hit ratio is high, random
access mode is used for transferring data instead of sequential
access mode. For example, random access mode is likely to be used
for transferring data to disk areas to which the HP StorageWorks XP
Cache Residency Manager function is applied.
Read
Write
Read Hit
Write Hit
Back Trans.
• the number of data transfers from the cache memory to hard disk
drives (Cache to Drive)
• the number of data transfers from hard disk drives to the cache
memory in sequential access mode (Drive to Cache Sequential)
• the number of data transfers from hard disk drives to the cache
memory in random access mode (Drive to Cache Random)
Trans.
The graph does not display detailed information.
Port-LUN Tab of the Auto LUN Window
When you click Go, Auto LUN / Perf Ctl / Perf Mon and then Auto LUN on the menu bar of the Remote
Web Console main window, Performance Monitor starts and the Auto LUN window is active. The Auto
LUN window includes the Port-LUN tab, which lets you view statistics about I/O rates, transfer rates , and
average response time at storage system ports, host groups, LU paths, etc.
Note:
Performance Monitor can obtain statistics about traffics of ports connected to open-system host
groups only. The statistics about traffics of ports connected to mainframe host groups cannot be obtained.
For details on how to use this window, see “Monitoring Ports”onpage66and
“Monitoring LU Paths”onpage70.
38
Using the Performance Monitor GUI
- HP StorageWorks 1
- Edition 2
- Contents 3
- Figures 6
- About this Guide 11
- XP Performance Monitor 13
- 2 About Performance Monitor 15
- Volume Usage Statistics 16
- External Vo 17
- Disk Pro 17
- Access Path Usage Statistics 20
- Port Tra 21
- LU Path TrafficStatistics 21
- Overview of Exp 22
- About Performance Monitor 24
- 3 Preparing for Performance 25
- Monitor Operations 25
- Limited function 26
- Export T 27
- Performance 29
- Monitor Window 29
- When you select L 34
- Monitoring Options Window 42
- Other Windows 45
- Start Monitoring 47
- View the Mon 48
- Starting a 49
- Viewing Usage S 60
- Monitoring Hard Disk Drives 61
- Viewing I/O Ra 62
- Caution: 64
- Monitoring Port 66
- Monitoring LU Paths 70
- 6UsingtheExportTool 73
- Control Groups 81
- Preparing a Batch File 91
- Running the Expo 93
- Command Reference 96
- Command Syntax 97
- 14.127.170 99
- Using the Export Tool 100
- Short Range Fr 101
- Operands 105
- Example 111
- Description 112
- 7 Troubleshooting 121
- Calling HP Tech 125
- Troubleshooting 126
- A Acronyms and Abbreviations 127
- Acronyms and Abbreviations 128
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