Hp XP Array Manager Software Manuale Utente Pagina 1

HP StorageWorks XP24000 Performance Monitor User's Guide Part number: T5214–96008 First edition: June 2007

10

svpip 158.214.135.57 retry time=5 count=10 login expusr passwd show group Port shortrange 200604010850:200604010910 outpath out option compress apply

Performance Monitor collects statistics by the two types of storing periods: in short range and in long range. In short-range monitoring, the monitori

PortU[[port-name]:[port-name]][U…]| PortWWNU[[port-name]:[port-name]][U…]| LUU[[port-name.host-group-id]:[port-name.host-group-id]][U…]| PPCGU[[Perfor

Operand Window of Performance Monitor Monitoring Data Saved in the File Saved ZIP File See PG LDEV tab in Statistics about parity groups, external vo

Operand Window of Performance Monitor Monitoring Data Saved in the File Saved ZIP File See Universal-Replicator Statistics about remote copy operati

Operands PhyPGU[Short|Long]U[[parity-group-id]:[parity-group-id]][U…] Use this operand when you want to export statistics about parity group usage rat

If exg-id is not specified, the monitoring data of all the external volume groups will be exported. PhyExLDEVU[[exg-id]:[exg-id]][U…] Use this operand

are exported to a ZIP file, the file name will be PG_dat.ZIP. For details on the statistics exported by this operand, see Table 12 on page 77 in “Files

Use this operand when you want to export statistics about host bus adapters (WWNs) connected to ports, which are displayed in the Port-LUN tab of the

• cygnus <raid<Cancer <Pisces<RAID <RAID5 Regardless of whether you specify or omit Performance Control group names, the exported CSV

About this Guide This user's guide describes and provides instructions for using the Performance Monitor software. The term storage system in thi

For example, you can specify RCLU CL1-C.01:CL2-A.01,but you cannot specify RCLU CL2-A.01:CL1-C.01.Also, you can specify RCLU CL1-C.01:CL1-C.03,but you

URLUU[[port-name.host-group-id]:[port-name.host-group-id]][U…] Use this operand when you want to export statistics about remote copy operations which

group PG 1-3: The following example exports statistics about the external volume groups E1-1 to E1-5: group PG E1-1:E1-5 The following example exports

Figure 47 The Starting Time and the Ending Time for Collecting Monitoring Data yyyyMMddhhmm yyyyMMdd indicates the year, the month, and the day. hhmm

shortrange +0001: The Export Tool saves monitoring data within the range of Jan. 1, 0:01 to Jan. 2, 00:00. shortrange -0001: The Export Tool saves mon

Operands The value on the left of the colon (:) specifies the starting time of the period. The value on the right of the colon specifies theendingtimeof

longrange :200601011730 The Export Tool saves monitoring data within the range of Jan. 1, 0:00-17:30. longrange +000015: The Export Tool saves monitor

outpath out option Subcommand Syntax optionU[compress|nocompress]U[ask|clear|noclear] Description The option subcommand specifies the following: • whe

The settings made by the group subcommand will be reset when the apply subcommand finishes. set subcommand Syntax setU[switch={m|off}] Description The

The following command file starts monitoring remote copy operations. The sampling time interval is 10 minutes: svpip 158.214.135.57login expusr passwd

• 1 TB (terabyte) = 1,0004 bytes HP XP storage systems use the following values to calculate logical storage capacity values (logical devices): • 1K

You can specify the following parameters. At least you must specify -Dmd.command. • -Dhttp.proxyHost=host-name-of-proxy-host,or -Dhttp.proxyHost=IP-a

7 Troubleshooting This chapter gives troubleshooting information on Performance Monitor. For troubleshooting information on Remote Web Console, see th

Table 34 Troubleshooting the Export Tool Possible Problems Probable Causes and Recommended Action You cannot run the batch file. • The path to the Ja

Table 35 Messages to be Issued by the Export Tool Possible Problems Probable Causes and Recommended Action Connection to the server has not been esta

Possible Problems Probable Causes and Recommended Action Unable to display help message The Export Tool cannot display the online help due to a syste

Calling HP Technical Support If you need to call HP technical support, be sure to provide as much information about the problem as possible. Include t

126 Troubleshooting

A Acronyms and Abbreviations Table 36 Acronyms and Abbreviations CU control unit (logical control unit) DASD direct-access storage device DFW DASD fas

128 Acronyms and Abbreviations

Index A access path,20 audience,11 C CHA,17 See also --- Refer to channel adapter channel adapter,17 channel processor,17 CHP,17 See also --- Refer to

1 Overview of HP StorageWorks XP Performance Monitor Performance Monitor lets you obtain usage statistics about physical hard disk drive, volumes, pro

Figure 1 Performance Management Process Flow Diagram Auto LUN lets you balance workload among hard disk drives, volumes (LUs) and processors to remove

2 About Performance Monitor Components To use Performance Monitor, you need: • the storage system • the Performance Monitor program products (Perfor

All the statistics that can be monitored by Performance Monitor are collected and stored in short range. • Storing in long range Performance Monitor

When you use External Storage to map the volumes in the external storage system as volumes in the storage system, the mapped volumes in the external s

1 Table 2 How to Migrate Volumes When the Usage Rate of a Disk Processor is High Cluster Disk Adapter Disk Processor How to Migrate Volumes Migrate

Cluster Disk Adapter Disk Processor How to Migrate Volumes 2 DKA-2ML DKPC4-2ML DKPC5-2ML DKPC6-2ML DKPC7-2ML Migrate volumes from parity groups wit

Legal and notice information © Copyright 2007 Hewlett-Packard Development Company, L.P. Confidential computer software. Valid license from HP required

that DRR usage is not balanced, you should consider relocating volumes using Auto LUN to balance DRR usage within the storage system. For details on h

can also monitor the access workloads of the external volume groups and the external volumes. Performance Monitor displays a line graph that indicates

8 hours to 15 days) and that changes depending on the collecting interval specified by the user. For details on the storing period of statistics, see

• User types If theusertypeof youruserIDis storage partition administrator, the functions you can use are limited. For details, see “Storage Partitio

24 About Performance Monitor

3 Preparing for Performance Monitor Operations System Requirements To use Performance Monitor, you need: • Storage system • Performance Monitor soft

Table 3 Limitations for Storage Partition Administrators (Performance Monitor) Window Limited function Physical tab in the Auto LUN window • The tree

Figure 4 Auto LUN Window displayed When You Logged in as a Storage Partition Administrator Export Tool Limitations The Export Tool functions which are

28 Preparing for Performance Monitor Operations

4 Using the Performance Monitor GUI Using the Performance Monitor Windows This chapter describes Auto LUN windows and operations. This chapter explain

Contents AboutthisGuide ... 11 IntendedAudience... 11 RelatedDocumentation...

Figure 5 The Physical Tab of the Auto LUN Window When the Physical tab is active, the Auto LUN window contains the following items: • When Monitoring

Figure 6 The Drop-Down List to Select Storing Period of Statistics (Physical Tab) The storing period of statistics is the range of monitoring data (st

* an ESCON channel adapter * a FICON channel adapter * a Fibre Channel adapter in Standard mode * a Fibre Channel adapter in High Speed mode * a Fibre

Note: When you select the parity group icon and the list displays the icon of concatenated parity groups,the list only displays the ID of the parity g

When you select Long-Range Storage The Auto LUN window displays the statistics collected and stored in long range. The usage statistics about resource

Figure 9 The LDEV Tab of the Auto LUN Window When the LDEV tab is active, the Auto LUN window contains the following items: • When Monitoring Switch

When you specify dates and time in From and To boxes, Performance Monitor calculates the length (in minutes) of the specified period and displays the c

If you select connected parity groups in the tree, the list displays statistics about disk access performance for all the connected parity groups. Not

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

Figure 12 The Port-LUN tab of the Auto LUN Window When the Port-LUN tab is active, the Auto LUN window contains the following items: • When Monitorin

MonitoringOptionsWindow ... 42 OtherWindows... 45 5PerformanceMonitorOperations ...

• The Real Time option lets you view statistics in real-time mode, where statistics are updated at a gathering interval you specify between 1 and 15

Figure 13 Chart Y Axis Rate Drop-Down List, Detail Check Box, and the Drop-Down List to Select the Item to be Displayed (Port-LUN Tab) The Chart Y Axi

I/O rate（IOPS） 400 CL1-A 300 200 100 Time 08:00 10:00 If the Detail check box is deselected Figure 14 The Graphs that Illustrate Changes in Workloads

Figure 17 The Monitoring Options Window of Performance Monitor The Monitoring Switch area in the Monitoring Options window contains the following item

• LDKC list: indicates LDKC numbers. To select an LDKC as a monitoring target, click the LDKC number. All the CUs that belong to that LDKC are disp

one minute for the gathering interval, the statistics for one day can be stored at the maximum from the following formula: 1minutex1440=1440 minutes =

46 Using the Performance Monitor GUI

5 Performance Monitor Operations Overview of Performance Monitor Operations This section briefly describes how to use Performance Monitor to monitor th

Moreover, the resource usage in the storage system can also be stored in a long range up to 3 months. In this case, however, the gathering interval is

Enables you to view statistics about traffic at path between host bus adapters (HBAs) and ports (see “Traffic between HBAs and Storage System Ports” on

groupSubcommand... 101 Syntax... 101 Description...

6. Select Apply. Performance Monitor starts monitoring the storage system.Note: When statistics are collected, a heavy workload is likely to be place

Note: It is possible that the usage rate for a parity group is not equal to the sum of the usage rate for each volume in that parity group (see “Viewi

The listonthe rightdisplaysusage statistics aboutvolumes in the specified parity group (Figure 21 on page 52). The displayed statistics are the average

•The Rnd. column indicates random read rates. A random read rate is the ratio of random read requests to read and write requests. •The Seq. column i

• If you change the date and time in the From and To boxes and then click the Apply button, Performance Monitor recalculates usage rates and updates

change the date and time in From and To boxes, use the arrow buttons and the sliders (for details, see “Auto LUN Window, Physical Tab” on page 29). 6.

Note: If you change the date and time in the From and To boxes and then click the Apply button, Performance Monitor recalculates usage rates and updat

Figure 25 An Example of Disk Processor Usage Rates Displayed The list displays the following items: • : When the green checkmark icon is displayed o

Figure 26 An Example of DRR Usage Rates Displayed in the List The list displays the following items: • : When the green checkmark icon is displayed

6. When you select shortrange for the storing period of statistics, you can select the item to be illustrated in the graph from the drop-down list at

...Figures 1 PerformanceManagementProcessFlowDiagram... 14 2 Ac

•The Ave. (Total) column displays the average write pending rate for the specified period. •The Moment Max. column displays the maximum write pending

Paths between adapters and cache switches: Paths between adapters and shared memories: Paths between cache switches and cache memory: Figure 29 Exampl

This section describes how to view the statistics about disk access performance. Before taking the following s, you need to start monitoring in accor

I/O rate for parity groups and external volume groups (When the Subsystem folder is selected): I/O rate for parity groups or external volume groups (W

• CLPR: This column indicates numbers and names of CLPRs corresponding to each parity group, external volume group, or volume in the format CLPR-numb

Transfer rate for parity groups and external volume groups (When the Subsystem folder is selected): Transfer rate for parity groups or external volume

Monitoring Ports Performance Monitor monitors ports on the storage system and measures I/O rates (that is, the number of I/Os per second) and transfe

All Prio. indicates all the prioritized ports. I/O rate for ports (When the Subsystem folder is selected): All Non-Prio. indicates all the non-priorit

• Peak: Indicates the peak I/O rate of the ports for the specified period. This value is shown in the list when you select the Subsystem folder in th

All Prio. indicates all the prioritized ports. All Non-Prio. indicates Transfer rate for ports (When the Subsystem folder is selected): all the non-pr

...42 AnExampleofExecutingaBatchFile(onaWindowsComputer)... 93 43 AnExampleofCommandPromptOutputsWhentheExportToolRuns... 9

• Max.: Indicates the maximum transfer rate for the specified period. This value is shown in the list when you select a port icon or host group icon i

7. To display a graph to find out how the I/O rate has been changed, take the following steps; a. In thelist, select oneormoreLUNs. b. Select the Dr

5. In the tree, double-click a port (for example, or ) and then select a host group ( ). The LUN icon ( ) appears. 6. Select LUN. The list on the

6UsingtheExportTool Files to be Exported The Export Tool enables you to save monitoring data in the Auto LUN window into files (see Table 11 on page 74

Table 10 Auto LUN Windows and Monitoring Data Saved by the Export Tool Window Monitoring Data See Physical tab in the Auto LUN Window Statistics abou

ZIP File CSV File Data Saved in the File PHY_Long_LDEV_x-y.csv Usage rates for volumes in a parity group in long range PhyLDEV_dat.ZIP PHY_Short_LD

ZIP File CSV File Data Saved in the File PhyCSW_dat.ZIP PHY_Long_MPA_CSW.csv • Usage rates for access paths between channel adapters and cache memo

Table12FileswithStatisticsaboutParityGroups,ExternalVolumeGroupsorV-VOL Groups ZIP File CSV File Data Saved in the File PG_dat.ZIP PG_IOPS.csv The n

Table 13 Files with Statistics about Volumes in Parity / External Volume Groups, or in V-VOL Groups ZIP File CSV File Data Saved in the File LDEV_IO

ZIP File CSV File Data Saved in the File LDEV_D2CR_Trans.ZIP LDEV_D2CR_Trans_x-y.csv Thenumberofdata transferoperations from hard disk drives (that

...Tables 1 DocumentConventions ... 11 19 Files with Statistic

Table 16 Files with Statistics about LU Paths ZIP File CSV File Data Saved in the File LU_dat.ZIP LU_IOPS.csv The number of read and write operation

Table 18 Files with Statistics about Host Bus Adapters Belonging to Performance Control Groups ZIP File CSV File Data Saved in the File PPCGWWN_dat.

Table 19 Files with Statistics about Remote Copy Operations by Continuous Access and TrueCopy for Mainframe (Storage System) ZIP File CSV File Data

Table 20 Files with Statistics about Remote Copy Operations by Continuous Access and TrueCopy for Mainframe (At LU Paths) ZIP File CSV File Data Sav

Table 21 Files with Statistics about Remote Copy Operations by Continuous Access and TrueCopy for Mainframe (At Volumes Controlled by a Particular CU)

ZIP File CSV File Data Saved in the File RCLDEV_Remained_Record-set.ZIP RCLDEV_Remained_Record-set_xx.csv The number of remaining recordsets when th

Table 24 Files with Statistics about Remote Copy Operations by Continuous Access Journal and Universal Replicator for Mainframe (At Journal Groups) ZI

Table 25 Files with Statistics about Remote Copy Operations by Continuous Access Journal and Universal Replicator for Mainframe (At LU Paths) ZIP File

• a Windows computer or a UNIX computer The Export Tool runs on Windows computers and UNIX computers that can run Remote Web Console. If your Window

Installing the Export Tool on a UNIX Computer To install the Export Tool on a UNIX computer: 1. Create a directory on your UNIX computer. In later s,

...33 Monitoring Items To Which the longrange Subcommand Can be Applied . . . . . . . 114 34 TroubleshootingtheExportTool ...

• • • • This script specifies that you are logging into the SVP whose IP address is 158.214.135.57. You must log into the SVP when using the Export Too

Specify a term within Short Range From XXX To XXX which is output by the show subcommand. •The longrange subcommand is valid for monitoring data in l

Batch file for Windows computers (runWin.bat) java -classpath "./lib/JSanExport.jar;./lib/JSanRmiServer.jar" -Dmd.command=command.txt-Dmd.log

Running the Export Tool To run the Export Tool and save monitoring data in files, you need to execute your batch file. To execute your batch file, you ne

Table 27 Errors Which Export Tool Retry the Processing Error Message ID Cause of Error 0001 4001 An error occurred during SVP processing. 0001 5400 Si

Table 28 Estimate of Time Required for Exporting Files Operand for the Group Subcommand Estimated Time Remarks Port 5minutes This estimate assumes

Table 29 Termination Codes that the Export Tool Returns TermiCode nation Meaning 0 The Export Tool finished successfully. 1 An error occurred when the

Table 30 Subcommand List Subcommand Function See svpip Specifies the IP address of the SVP to be logged in. “svpip Subcommand”onpage98. retry Makes se

{} Indicates that you must select one operand from the operands enclosed by the braces. Two or more operands are enclosed by the braces and are delimi

Operands ip-address Specifies the IP address of the SVP. host-name Specifies the hostname ofthe SVP. If the host name includes any character that is nei