Hp XP Array Manager Software Manuale Utente

HP StorageWorksXP24000/XP20000 Performance Monitor UserGuideAbstractThis user's guide describes and provides instructions for using the Performan

Errors Which Export Tool Retry the Processing ... 12625Estimate of Time Required for Exporting

SeeMonitoring DataWindowTable 16, page 108Statistics about remote copy operations by XP ContinuousAccess and TrueCopy for Mainframe (in the whole stor

Data Saved in the FileCSV FileZIP FileIf external storage volumes are mapped to thevolume groups of XP 24000 or XP20000 diskarrays, this file includes

Data Saved in the FileCSV FileZIP File• Usage rates for access paths between channeladapters and the shared memory in shortrange• Usage rates for acce

Data Saved in the FileCSV FileZIP FileThe read hit ratio in sequential access modePG_Seq_Read_Hit.csvThe read hit ratio in random access modePG_Rnd_Re

Data Saved in the FileCSV FileZIP FileThe number of read operations incache-fast-write mode per secondLDEV_CFW_Read_IOPS_x-y.csvLDEV_CFW_Read_IOPS.ZIP

Table 11 Files with Statistics about PortsData Saved in the FileCSV FileZIP FileThe number of read and write operations per secondPort_IOPS.csvPort_da

Data Saved in the FileCSV FileZIP FileThe number of sequential read operations per secondLU_Seq_Read_IOPS.csvThe number of random read operations per

Data Saved in the FileCSV FileZIP FileThe transfer rate for HBAs belonging toan XP Performance Control group (Theunit is KB/sec)PPCGWWN_xx_KBPS.csvThe

Table 16 Files with Statistics about Remote Copy Operations by XP Continuous Access and TrueCopyfor Mainframe (In the Whole Volumes)Data Saved in the

Data Saved in the FileCSV FileZIP FileThe number of initial copy remote I/OsRCLU_Initial_Copy_RIO.csvThe number of hits of initial copy remote I/OsRCL

1 Overview of Performance MonitorPerformance Monitor provides usage statistics about physical hard disk drives, volumes, processors,or other resources

Data Saved in the FileCSV FileZIP FileThe number of tracks that have not yet beencopied by the initial copy or resync copyoperationRCLU_Out_of_Tracks.

Data Savedin the FileCSV FileZIP FileThe numberof migrationcopy remoteI/OsRCLDEV_Migration_Copy_RIO_xx.csvRCLDEV_Migration_Copy_RIO.ZIPThe numberof hi

Data Savedin the FileCSV FileZIP FileThe averagetransfer rate(kB/sec) forasynchronousupdate copyremote I/OsRCLDEV_Asynchronous_Copy_Transfer_xx.csvRCL

Data Savedin the FileCSV FileZIP FileThe numberof tracks thathave not yetbeen copiedby the initialcopy orresync copyoperationRCLDEV_Out_of_Tracks_xx.c

Table 21 Files with Statistics about Remote Copy Operations by XP Continuous Access Journal andUniversal Replicator for Mainframe (At Journal Groups)D

Data Saved in the FileCSV FileZIP FileMetadata usage rate for restore journals(The unit is percent)URJNL_M-JNL_JNCB_Filling.csvTable 22 Files with Sta

Data Saved in the FileCSV FileZIP FileThe amount of data that arewritten per second (The unit isKB/sec)URLDEV_Write_Transfer_xx.csvURLDEV_Write_Transf

Table 24 Files with Statistics about Volumes in Parity Groups, External Volume Groups, or V-VOLGroups (At Volumes Controlled by a Particular CU)Data S

Data Saved in the FileCSV FileZIP FileThe number of data transfer operations fromhard disk drives (that is, volumes) to cachememories in random access

If you specify storage administrator for the user ID, all the monitoring data described fromTable 8 on page 100 to Table 24 on page 117 can be saved i

Overview of Performance Monitor12

4. Decompress export.tar on your computer. The Export Tool is installed. Also, a new directorynamed export is created.NOTE:• The export directory cont

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 Tool.The sv

remote copy operations by XP Continuous Access and TrueCopy for Mainframe in short range.You can describe multiple lines of the group command to expor

The apply command saves monitoring data in files. For detailed information about the applycommand, see “apply Subcommand” on page 154.When you install

Batch file for Windows computers (runWin.bat)Java -classpath "./lib/JSanExport.jar;./lib/JSanRmiServer.jar"-Dhttp.proxyHost=Jupiter-Dhttp.pr

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

You can change the maximum number of retries by using the retry command. For detailed informationabout the retry command, see “retry Subcommand” on pa

statistics spanning 24 hours, you could run the Export Tool eight times; each time you run the ExportTool, the tool should export statistics spanning

MeaningTerminationCodeEither one of the following two errors occurred:• A command file has been corrupted or could not be read.• An error occurred whe

SeeFunctionSubcommandretry Subcommand, page 131Makes settings on retries of export processing.retrylogin Subcommand, page 132Logs the specified user i

Figure 1 Performance Management Process Flow Diagram.HP StorageWorks XP Auto LUN Software lets you balance workload among hard disk drives, volumes(LU

DescriptionConventionIndicates that you must select one operand from the operands enclosed by the braces.Two or more operands are enclosed by the brac

svpip SubcommandSyntaxsvpip {ip-address|host-name}DescriptionThe svpip command specifies the IP address or the host name of the SVP.OperandsDescriptio

OperandsDescriptionOperandSpecifies the interval between retries in minutes.m is a value within the range of 1 to 59.If this operand is omitted, the i

OperandsDescriptionOperandSpecifies the user ID for the SVP.If the user ID includes any non-alphanumeric character, the user ID must be enclosedby dou

shortrange or longrange command additionally, you can narrow the term of data to be exported (see“shortrange Subcommand” on page 148 or “longrange Sub

PPCGWWN [[XP Performance Control-group-name]:[XP Performance Control-group-name]][ …]|RemoteCopy |RCLU [[port-name.host-group-id]:[port-name.host-grou

SeeSaved ZIP FileMonitoring Data Saved inthe FileWindowof Per-formanceMonitorOperandTable10, page 103LDEV_XXXXX.ZIP2Statistics about volumes inparity

SeeSaved ZIP FileMonitoring Data Saved inthe FileWindowof Per-formanceMonitorOperandTable21, page 114URJNL_dat.ZIPStatistics about remote copyoperatio

OperandsDescriptionOperandUse this operand when you want to export statistics about parity group usage rates,which are displayed in the Physical tab o

DescriptionOperandUse this operand when you want to export statistics about external volume groups,which are displayed in the Physical tab of the Auto

Overview of Performance Monitor14

DescriptionOperandUse this operand when you want to export the following statistics, which aredisplayed in the Physical tab of the Auto LUN window:• U

DescriptionOperandUse this operand when you want to export statistics about volumes, which aredisplayed in the LDEV tab of the Auto LUN window. When s

DescriptionOperandUse this operand when you want to export statistics about host bus adapters(WWNs) connected to ports, which are displayed in the Por

DescriptionOperandUse this operand when you want to export statistics about XP Performance Controlgroups, which are displayed in the WWN tab of the Au

DescriptionOperandUse this operand when you want to export statistics about remote copy operationswhich are displayed in the Continuous Access Monitor

DescriptionOperandUse this operand when you want to export statistics about remote copy operationswhich are displayed in the Continuous Access Monitor

DescriptionOperandUse this operand when you want to export statistics about remote copy operationswhich are displayed in the Continuous Access Journal

DescriptionOperandUse this operand when you want to export statistics about volumes which aredisplayed in the LDEV tab of the Auto LUN window. By usin

group LDEV :1-3The following example exports statistics about LU paths for the host group (host storage domain) ID01 for the port CL1-A:group LU CL1-A

DescriptionOperandyyyyMMdd indicates the year, the month, and the day. hhmm indicates the hour andthe minute.If yyyyMMddhhmm is omitted on the left of

2 About Performance MonitorThis chapter gives an overview of performance management operations.• Components, page 15• Overview of Performance Monitor,

The Export Tool saves monitoring data within the range of Jan. 1, 23:59 to Jan. 2, 00:00.shortrange :+0001The Export Tool saves monitoring data within

OperandsThe value on the left of the colon (:) specifies the starting time of the period. The value on the right ofthe colon specifies the ending time

The Export Tool saves monitoring data within the range of Jan. 1, 9:30-17:30.longrange 200601010930:The Export Tool saves monitoring data within the r

OperandsDescriptionOperandSpecifies the directory in which files will be saved.If the directory includes any non-alphanumeric character, the directory

DescriptionOperandDisplays a message that asks whether to delete existing files or directories.askDeletes existing files and directories and then save

• Wait until maintenance operations finish at the SVP, so that the set command can execute.NOTE:• Batch files can include script that should execute w

help SubcommandSyntaxhelpDescriptionThe help command displays the online help for commands.To view the online help, It is recommended that you create

OperandsDescriptionOperandSpecifies the path to the class file of the Export Tool.The path must be enclosed in double quotation marks (").class-p

-Dhttp.proxyPort=8080 -Xmx536870912 -Dmd.command=command.txt -Dmd.logpath=logsanproject.getmondat.RJMdMainIn the following example, a log file named e

Probable CausesInvalid Values of Monit-oring DataCause — The value "-4" indicates that Performance Monitor failed to obtainmonitoring data.R

Software, and Hitachi Universal Replicator™ for Mainframe. The displayed contents are the same asthose displayed in the Usage Monitor windows of each

Using the Export Tool160

7 TroubleshootingThis chapter gives troubleshooting information on Performance Monitor and XP Auto LUN. Fortroubleshooting information on Remote Web C

Troubleshooting the Export ToolTable 33 explains possible problems with the Export Tool and probable solutions to the problems.Table 33 Troubleshootin

Probable Causes and Recommended ActionPossible ProblemsIt might be unsuitable combination of DKCMAIN/SVP program versionand Export Tool version. Pleas

Probable Causes and Recommended ActionPossible ProblemsThe specified value is invalid. Specify a correct value.Invalid value: valueAn attempt to log i

Probable Causes and Recommended ActionPossible ProblemsThe Export Tool cannot display the online help due to a systemerror.Unable to display help mess

Probable Causes and Recommended ActionPossible ProblemsThe Export Tool starts collecting data specified by the groupcommand.The number of targets is x

8 Support and Other ResourcesRelated Documentation• HP StorageWorks XP24000/XP20000 for FlashCopy Mirroring Software User Guide• HP StorageWorks XP240

•1 PB (petabyte) = 1,0245bytes• 1 block = 512 bytesHP Technical SupportFor worldwide technical support information, see the HP support website:http://

GlossaryACP Array control processor.CHA Channel adapter. A device that provides the interface between the array andthe external host system. Occasiona

A RAID-5 parity group consists of four or eight HDDs. One of these HDDs is used as a parity disk.• RAID-6 parity groupA RAID-6 parity group consists o

S-VOL Secondary or remote volume. The copy volume that receives the data from theprimary volume.SVP Service processor. A notebook computer built into

IndexAaccess path, 22Cchannel adapter (CHA), 18channel processor (CHP), 18conventionsstorage capacity values, 167Ddata recovery and reconstruction pro

172

External Volume Usage StatisticsAn external volume is a volume existing in an external storage system that is mapped to a volume inthe storage system

2. Check the usage rate of each parity group to find parity groups whose usage rate is lower thanthe parity groups that you want to migrate. It is rec

Legal and notice information© Copyright 2007, 2010 Hewlett-Packard Development Company, L.P.Confidential computer software. Valid license from HP requ

Migrating Volumes in an XP24000 Disk ArrayDisk ProcessorDisk AdapterClusterMigrate volumes from parity groups with the followingIDs to another parity

Migrating Volumes in an XP24000 Disk ArrayDisk ProcessorDisk AdapterClusterMigrate volumes from parity groups with the followingIDs to another parity

Access Path Usage StatisticsAn access path is a path through which data and commands are transferred within a storage system.In a storage system, chan

The I/O rate indicates how many I/Os are made to the hard disk drive in one second. If the I/Orate is high, the hosts might consume a lot of time for

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

Figure 3 An Example of a Text File.NOTE:• When you run the Export Tool, text files are usually compressed in a ZIP-format archive file. Toopen a text

display the monitoring data while the storage system is powered off. The monitoring data imme-diately after powering on again might contain extremely

3 Preparing for Performance MonitorOperationsThis chapter explains the preparations for performance management operations• System Requirements, page 2

For more information on using XP Auto LUN, see the HP StorageWorks XP24000/XP20000 AutoLUN Software User Guide.This section explains the permission-dr

Figure 4 Auto LUN Window Displayed When Logged in as a Storage Partition Administrator.Export Tool LimitationsThe Export Tool functions which are limi

Contents1 Overview of Performance Monitor ... 112 About Performance Monitor ...

Preparing for Performance Monitor Operations30

4 Using the Performance Monitor WindowsThis chapter describes Performance Monitor windows and operations. This chapter explains in thefollowing order:

map volumes in an external storage system (storage system other than HP StorageWorksXP24000/XP20000 Disk Array) to the internal volumes, you can view

DescriptionItem• Select a range of statistics to view in the window: shortrange or longrange (seeFigure 6). The storing period of statistics is the ra

DescriptionItemThe tree lists items such as parity groups, channel adapters (CHAs), disk processors(DKPs), and so on.• Parity Group or External Group

DescriptionItemThe list displays statistics about parity group usage, processor usage, and so on.The list displays statistics for up to a maximum of 4

Figure 6 Storing Period of Statistics (Physical Tab).Figure 7 List of Disk Adapters.Figure 8 Selecting an Item Displayed in the Graph and the Highest

data, select shortrange. For details on viewing the usage statistics of external volume groups andexternal volumes, see “Viewing Usage Statistics abou

Figure 9 The LDEV Tab of the Performance Monitor Window.When the LDEV tab is active, the Auto LUN window contains the following information:Descriptio

DescriptionItemSelect a monitoring term to narrow the range of statistics to display in the window.Starting and ending times for collecting statistics

Start Monitoring ... 57View the Monitori

DescriptionItemLists parity groups, external volume groups, and V-VOL groups.Box folders (for example, Box 1, Box E1, Box V1, and Box X1) are displaye

DescriptionItemThe list displays statistics about disk access performance (for example, I/O rate, transferrate, read hit ratio, write hit ratio, and a

Figure 10 Selecting an Item to be Displayed in the Graph (LDEV Tab).Table 3 Items You Can Select in the List and the Types of Statistics (LDEV Tab)Typ

Figure 11 Chart Y Axis Rate List and Detail Check Box (LDEV Tab).Table 4 Detailed Information that can be Displayed in the Graph (LDEV Tab)The Graph C

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 information:DescriptionI

DescriptionItemSelect a monitoring term to narrow the range of statistics to display in the window.Starting and ending times for collecting statistics

DescriptionItemThe tree contains the Subsystem folder. Below the Subsystem folder are ports (such asand ):Indicates the attribute of the stored port i

DescriptionItemAn illustration of changes in the I/O rate or the transfer rate. The vertical axis indicatesthe usage rates (in percentage). The horizo

• For the period of 9:59 to 10:00, the maximum workload on CL1-A is 400 IO/s. The averageworkload on CL1-A is 300 IO/s. The minimum workload on CL1-A

WWN Tab of the Performance Monitor WindowWhen you click Go, Auto LUN / Perf Ctl / Perf Mon and then Auto LUN on the menu bar of the RemoteWeb Console

Example ... 133show Subcommand ...

DescriptionItemCurrent interval of collecting statistics.• If the number of CUs to be monitored is 64 or less, the value is between 1 and 15appears as

DescriptionItemThe tree contains the Subsystem folder. Below the Subsystem folder are XP PerformanceControl groups, which are groups of multiple WWNs.

Figure 16 Chart Y Axis Rate List, Detail Check Box, and the List to Select the Item to be Displayed(Port-LUN tab).Monitoring Options WindowWhen you cl

Figure 17 Monitoring Options Window of Performance Monitor.The Monitoring Switch area in the Monitoring Options window contains the following items:De

DescriptionItemA list of IDs of the parity groups that can be monitored. Each cell displayed in the listis accompanied by an icon . Click PG on the he

Letter Displayed in The CellCU Monitoring StatusCU ExistsNoneCU is not being monitoredN: in blackCU will be monitored when it existsNo –: Hyphen in bl

• Continuous Access Journal Monitor windowThis window displays the information about remote copy operation of XP Continuous AccessJournal. The content

5 Performance Monitor OperationsThis chapter explains the following Performance Monitor operations:• Overview of Performance Monitor Operations, page

Figure 18 Monitoring Options Window of Performance Monitor.To start monitoring, select Enable for the Current Status option in Monitoring Switch, and

View the Monitoring ResultsTo view the results of monitoring, use the Auto LUN window of Performance Monitor. When you selectthe Auto LUN tab, the Aut

Related Documentation ... 167Conventions for

Note that you cannot view the monitoring results displayed in the Physical tab and the LDEV tab inreal time.Starting and Stopping Storage System Monit

NOTE:When statistics are collected, a heavy workload is likely to be placed on servers. Therefore, the clientprocessing might slow down.To stop monito

have been moved by XP Auto LUN or XP Business Copy, or formatted by Virtual LVI or OpenVolume Management).For more information on using XP Auto LUN, s

• CLPR: This column indicates numbers and names of cache logical partitions (CLPRs) correspondingto each parity group in the format CLPR-number:CLPR-n

NOTE:• The list displays up to a maximum of 4,096 resources at a time. If the number of resourcesexceeds 4,096, use Previous and Next to display the r

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

• XP Auto LUN (For more information on using XP Auto LUN, see the HP StorageWorksXP24000/XP20000 Auto LUN Software User Guide)• XP SnapshotThe Ave. (T

Figure 22 Example of Usage Statistics of an External Volume Group Usages Displayed in the List.NOTE:If the CU is not the monitoring target, all items

NOTE:• The list displays up to a maximum of 4,096 resources at a time. If the number of resourcesexceeds 4,096, use Previous and Next to display the r

Viewing Usage Statistics about Channel Processors (CHPs)Performance Monitor monitors channel processors in each channel adapter and displays statistic

FiguresPerformance Management Process Flow Diagram ... 121Access Paths ...

•: When the green checkmark icon is displayed on the left of a channel processor, the graphillustrates changes in usage rate for the channel processor

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

6. To display a graph that illustrates changes in usage rate for DRRs, select the desired DRRs in thelist and then click Draw.NOTE:The range of monito

The items displayed in the list are a little different depending on the selection of the storing period:longrange or shortrange. The write pending rat

When selecting longrange for storing period of statistics:When selecting shortrange for storing period of statistics:Figure 28 Examples of Write Pendi

When you view usage statistics about paths, the items displayed in the list by selecting longrangeand shortrange are the same.4. In the tree, double-c

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

In addition, the LDEV tab shows the read hit ratio and the write hit ratio.• For a read I/O, when the requested data is already in cache, the operatio

b. Use the list at the right side of the list to select the type of information that you want to viewin the graph. For details on the information that

NOTE:• It is possible that the I/O rate for a parity group or an external volume group is not equal to thesum of the I/O rate for each volume in that

I/O Rates for Disks ... 7830Transfer Rates for Disks ...

1. Ensure that the Auto LUN window is displayed.2. Click the LDEV tab.The tree displays a list of parity groups and external volume groups.3. Select M

the list and then click Draw. The detailed graph contents change as described in Table4 on page 43.CAUTION:If more than one parity group or volume is

• Trans.: Indicates the size (in megabytes) of data transferred to the parity group, the external volumegroup, or the volume per second.• Read Hit: In

For details on the Real Time option and the From option, see “Viewing Port Workload Statist-ics” on page 47.6. In the tree, select the Target folder,

I/O rate for ports (When the Subsystem folder is selected):I/O rate for ports (When the Target folder is selected):I/O rate for ports (When the Initia

• Performance Control Name: XP Performance Control names of the host bus adapters. Use XP Per-formance Control to assign an XP Performance Control nam

For details on the Real Time option and the From option, see “Viewing Port Workload Statist-ics” on page 47.6. In the tree, select the Target folder o

Transfer rate for ports (When the Subsystem folder is selected):Transfer rate for ports (When the Target folder is selected):I/O rate for ports (When

• Nickname: Nickname for the host bus adapters. Use LUN Manager to assign a nickname to eachhost bus adapter so that you can easily identify each host

The traffic statistics reported for an LU is aggregated across all LU paths defined for an LU.• I/O rate is the sum of I/Os across all LU paths define

TablesMigrating Volumes in XP24000 Disk Arrays When the Disk Processor Usage Rate isHigh ...

Figure 34 I/O Rates for LU Paths.NOTE:If the CU is not the monitoring target, all items in the row are displayed in italics. To monitor thoseitems, sp

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 right di

• Max.: Indicates the maximum transfer rate for the specified period.• Response Time: This column indicates the time for replying from the LU path whe

The list on the right displays the I/O rate.• To view the I/O rate for host bus adapters that do not belong to any XP Performance Controlgroup, select

I/O rate at host bus adapters(Displayed when an XP Performance Control group or Not Grouped is selected):I/O rate at each XP Performance Control group

1. Ensure that the Auto LUN window is displayed.2. Select the WWN tab.The tree displays a list of XP Performance Control groups ( ). Below XP Performa

NOTE:• If the graph does not display changes in the transfer rate (for example, if the line in the graphruns vertically), it is recommended that you c

• Ave.: Average transfer rate for the specified period.• Max.: Maximum transfer rate for the specified period.• Response Time: Time for replying from

Performance Monitor Operations98

6 Using the Export ToolThis chapter explains using the export tool.• Files to be Exported, page 99• Preparing for Using the Export Tool, page 118• Usi