Hp XP RAID Manager Software User Manual

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HP XP P9000 Performance for Open and
Mainframe Systems User Guide
Abstract
This guide describes and provides instructions for using HP XP P9000 Performance Monitor Software and HP XP P9000 Cache
Residency Manager Software to configure and perform operations on HP XP P9000 disk arrays. The intended audience is a
storage system administrator or authorized service provider with independent knowledge of HP XP P9000 disk arrays and the
HP StorageWorks Remote Web Console.
HP Part Number: AV400-96634
Published: March 2014
Edition: Twelfth
Page view 0
1 2 ... 205

Summary of Contents

Page 1 - Mainframe Systems User Guide

HP XP P9000 Performance for Open andMainframe Systems User GuideAbstractThis guide describes and provides instructions for using HP XP P9000 Performan

Page 2

Prestaging occurs under any of the following circumstances:• When prestaging is performed using Cache Residency.• When the storage system is powered o

Page 3 - Contents

Table 10 Operands of the group subcommand and saved monitoring dataSeeSaved ZIP fileMonitoring data saved inthe fileGUI operationOperandTable 12 (page

Page 4 - 4 Contents

Table 10 Operands of the group subcommand and saved monitoring data (continued)SeeSaved ZIP fileMonitoring data saved inthe fileGUI operationOperandCo

Page 5 - Contents 5

Table 10 Operands of the group subcommand and saved monitoring data (continued)SeeSaved ZIP fileMonitoring data saved inthe fileGUI operationOperand1W

Page 6 - 6 Contents

DescriptionOperandYou can use the Short or Long option to select the storing period of the monitoring data tobe exported. If you specify Short, the ex

Page 7 - Contents 7

DescriptionOperandUse this operand when you want to export the following statistics, which are displayed in theMonitor Performance window:PhyProc[Shor

Page 8 - 1 Performance overview

DescriptionOperandexg-id is an ID of an external volume group.-volume-group-id is a migration volume group ID.You can check to which V-VOL group each

Page 9 - Cache Residency overview

DescriptionOperandWhen you specify variables port-name.host-group-id, you can narrow the range of LU pathswhose monitoring data are to be exported. po

Page 10 - 10 Performance overview

DescriptionOperandIf port-name.host-group-id is not specified, the monitoring data of all the volumes (LUs) will beexported.Use this operand when you

Page 11

DescriptionOperandUse this operand when you want to export statistics about remote copy operations which aredisplayed in the Usage Monitor tab in the

Page 12

The following example exports statistics about LU paths for the host group (host storage domain)ID 01 for the port CL1-A:group LU CL1-A.01:CL1-A.01Sho

Page 13 - Prestaging specific data

Table 1 Cache capacity requirements for CR priority modeStandard cache capacitySettings of priority mode16 GBSpecified number of cache areas is 8,192

Page 14 - Bind mode

DescriptionOperandSubtracts time from the ending time for collecting monitoring data, if yyyyMMddhhmm isomitted.If the last two digit of the time on t

Page 15

long-rangeDescriptionThe long-range subcommand is used to specify a monitoring term (time range) for collectingmonitoring data to be exported into fil

Page 16

DescriptionOperandNote: When you specify the ending date and time, make sure to specify a time that is at least30 minutes before the current time. If

Page 17

outpathDescriptionThe outpath subcommand specifies the directory to which monitoring data will be exported.Syntaxoutpath [path]OperandsDescriptionOper

Page 18 - Using Performance Control

ExampleThe following example saves monitoring data in CSV files, not in ZIP files:option nocompressapplyDescriptionThe apply subcommand saves monitori

Page 19 - Using Performance Control 19

OperandsDescriptionOperandTo start monitoring, specify the gathering interval (interval of collecting statistics) of monitoringdata at m. Specify a va

Page 20 - Microprogram replacement

JavaDescriptionThis command starts the Export Tool and exports monitoring data into files. To start the Export Tool,write this Java command in your ba

Page 21

DescriptionOperandExamplesThe following example assumes that the system running the Export Tool communicates with the SVPvia a proxy host. In the foll

Page 22

Table 11 Performance management windows and monitoring data saved by the Export Tool(continued)Monitoring dataGUI operation“Resource usage and write-p

Page 23 - 4 Monitoring WWNs

Table 12 Files with resource usage and write pending rate statistics (continued)Data saved in the fileCSV fileZIP fileIf external storage volumes are

Page 24 - Connecting WWNs to ports

Table 2 Bind mode cache requirements (continued)Cache Residency CacheRequirementCapacity SpecificationsRAID Level or VolumeTypeSystem Type= 198 KB = 1

Page 25

Table 12 Files with resource usage and write pending rate statistics (continued)Data saved in the fileCSV fileZIP fileUsage rates for DRRs (data recov

Page 26 - 5 Monitoring CUs

Parity groups, external volume groups, or V-VOL groups statisticsThe following table shows the file names and types of information in the Monitor Perf

Page 27

Table 13 Files with statistics about parity groups, external volume groups or V-VOL groups(continued)Data saved in the fileCSV fileZIP fileAverage rea

Page 28 - 6 Monitoring operation

Table 14 Files with statistics about volumes in parity / external volume groups, or in V-VOL groups(continued)Data saved in the fileCSV fileZIP fileTh

Page 29 - Stopping monitoring 29

Table 15 Files with statistics about volumes in parity groups, external volume groups, or V-VOLgroups (at volumes controlled by a particular CU) (cont

Page 30 - Viewing statistics

Table 16 Files with statistics about portsData saved in the fileCSV fileZIP fileThe number of read and write operations per second at portsPort_IOPS.c

Page 31

Table 18 Files with statistics about volumes (LUs) (continued)Data saved in the fileCSV fileZIP fileThe number of sequential write operations per seco

Page 32 - 8 Working with graphs

Table 20 MP usage rate of each resource allocated to MP bladesData saved in the fileCSV fileZIP fileThe MP usage rate of each resource allocated to MP

Page 33

Table 22 Files with statistics about remote copy operations by Cnt Ac-S and Cnt Ac-S Z (for eachvolume (LU))Data saved in the fileCSV fileZIP fileThe

Page 34 - Usage rates of MPs

Table 23 Files with statistics about remote copy operations by Cnt Ac-S and Cnt Ac-S Z (at volumescontrolled by a particular CU) (continued)Data saved

Page 35 - Write pending statistics

2 About performance monitoringThis topic presents an overview of Performance Monitor and Cache Residency.Monitoring storage system resourcesPerformanc

Page 36 - Access paths usage statistics

contain statistics about remote copy operations (whole volumes) by Continuous Access Journal andContinuous Access Journal Z.Table 24 Files with statis

Page 37 - Throughput of storage system

Table 25 Files with statistics about remote copy operations by Cnt Ac-J and Cnt Ac-J Z (at journals)(continued)Data saved in the fileCSV fileZIP fileT

Page 38 - Size of data transferred

Table 27 Files with statistics about remote copy operations by Cnt Ac-J and Cnt Ac-J Z (at Volumescontrolled by a particular CU) (continued)Data saved

Page 39 - Response times

Probable causesInvalid values of monitoringdataThe value (-4) indicates that Performance Monitor failed to obtain monitoring datafor the following rea

Page 40 - Cache hit rates

Probable causes and recommended actionPossible problemsIf the error message ID is (0002 5510), probable error causes and solutions are:• An internal p

Page 41 - Storing period

Probable causes and recommended actionExport Tool messagesThe specified value is invalid. Specify a correct value.Invalid value: "value"An a

Page 42 - Back-end performance

Probable causes and recommended actionExport Tool messagesAn error occurs at the RMI server. For detailed information, see the HPP9000 Remote Web Cons

Page 43 - Hard disk drive access rates

B Performance Monitor GUI referenceThis topic provides reference information about the Performance Monitor GUI.Performance Monitor main window• “Summa

Page 44

SummaryThe summary information of monitoring is displayed.DescriptionItemMonitoring statuses of following:Monitoring SwitchEnabled: Performance Monito

Page 45 - 9 Changing display of graphs

DescriptionItemNormal: All WWNs connected with the port are monitoring targetobjects.Non-Integrity: The WWN is not monitored for the corresponding por

Page 46 - Deleting graph panel

NOTE:• If you access the Cache Residency area for input and output before the prestaging operationis performed from the SVP or Remote Web Console, the

Page 47

Confirm windowUse this window to confirm the specified monitoring information and to assign a task name to theediting task.Monitoring Switch Setting t

Page 48

Data RangeSpecify a range of statistics. Short-Range is default when there is monitor data collected withShort-Range. However, Long-Range is default w

Page 49

DescriptionItemFor details, see “Object and Monitor Data combinations”.Objects that can be displayed in graphs. For details, see “Available Objectstab

Page 50

Object and Monitor Data combinationsThe following table shows the possible Object and Monitor Data combinations that can be selectedin the Performance

Page 51

Unit of monitoring dataItem on left side of Monitor Data fieldItem on right side of Object fieldMB/sData Trans.msResponse Time• If Logical Device is s

Page 52

Unit of monitoring dataItem on right side of Monitor Data fieldItem on left side of Monitor Data field%Read (Sequential)Drive Access Rate*Read (Random

Page 53 - Port tab operations

Unit of monitoring dataItem on right side of Monitor Data fieldItem on left side of Monitor Data fieldcount/secTotalBack Trans.Cache To DriveDrive To

Page 54 - Analyzing traffic statistics

Unit of monitoring dataItem on right side of Monitor Data fieldItem on left side of Monitor Data fieldcount/secTotalBack Trans.Cache To DriveDrive To

Page 55 - Port tab operations 55

DescriptionItemMonitoring objectWWN of the host bus adapter. A WWN isa 16-digit hexadecimal number used as theunique identifier for a host bus adapter

Page 56 - Setting a threshold

Unmonitored CUs tableA table of the CUs that are going to be unmonitored.DescriptionItemUnmonitored CU number.CUNumber of LDEVs included in the unmoni

Page 57 - WWN tab operations

Bind mode has the following advantages:• The accessibility of read data is the same as Cache Residency priority mode.• Write operations do not have to

Page 58

AddClick to add CUs to Monitored CUs table.RemoveClick to remove CUs from Monitored CUs table.Monitored CUs tableA table of the CUs that are going to

Page 59

Selected CUs to Enable Monitor tableConfirm the information about the CUs to be monitored.DescriptionItemCUs to be monitored.CUNumber of LDEVs in the

Page 60

Selected CUs to Disable Monitor tableInformation about the CUs not to be monitored.DescriptionItemCUs not to be monitored.CUNumber of LDEVs in the CU

Page 61 - WWN tab operations 61

DescriptionItemeach CU number in the form of +n (where n is an integer from 0 to 9, ora letter from A to F).Total count of monitored CUs.Number of Mon

Page 62

Available Parity Groups tableDescriptionItemID of the parity group.Parity Group IDNumber of CUs included in the parity group.Number of CUsClick to dis

Page 63 - WWN tab operations 63

CUs tableDescriptionItemIdentification number of the CU in this parity group.CUNumber of LDEVs included in the individual CUs.Number of LDEVsCloseClos

Page 64

Monitored WWNs tableConfirm the information about the WWNs to be monitored.DescriptionItemHBA WWNs to be applied.HBA WWNWWN Names to be applied.WWN Na

Page 65 - Grouping host bus adapters

Unmonitored WWNs tableA table of WWNs that are going to be unmonitored.DescriptionItemName of the port.Port IDWorldwide name of the host bus adaptorHB

Page 66

Monitored WWNs tableA table of WWNs that are going to be unmonitored.DescriptionItemName of the port.Port IDWorldwide name of the host bus adaptor.HBA

Page 67 - Renaming an PFC group

Selected WWNs to Enable Monitor tableConfirm the information about the WWNs to be monitored.DescriptionItemPort name to be monitored.Port IDWorldwide

Page 68 - Deleting an PFC group

Changing the mode without cache extension requires reconfiguring Cache Residency (for example,release the data from cache, and then place the data bac

Page 69 - 11 Estimating cache size

DescriptionItemNickname of WWN not to be monitored. The name consists of up to 64alphanumeric characters and some signs.WWN NameStatus of a WWN not to

Page 70 - 70 Estimating cache size

HBA WWNSpecify a worldwide name of the host bus adapter. WWNs are 16-digit hexadecimal numbersused to identify host bus adapters.WWN NameSpecify a wor

Page 71

A list of WWNs to be monitored.DescriptionItemName of the port selected for monitoring.Port IDWWN selected for monitoring.HBA WWNWWN name is up to 64

Page 72 - 72 Estimating cache size

Add to Ports wizardAdd to Ports windowUse this window to add a WWN to the port.HBA WWNSpecify a worldwide name of the host bus adapter. WWNs are 16-di

Page 73 - Cache Residency cache areas

Available Ports tableA list of available ports in the storage system.DescriptionItemName of the port available in the storage system.Port IDNumber of

Page 74

Selected WWNs tableConfirm the information of the WWNs to become the monitoring target objects.DescriptionItemName of the port selected for monitoring

Page 75 - 12 Managing resident cache

DescriptionItemShows line graphs. The line graph is displayed at the left of the graphpanel, and explanatory notes are displayed at the right of the g

Page 76 - 76 Managing resident cache

Graph display areaShows graph panels.DescriptionItemShows the monitor period in the bottom left corner of this window. The first monitored timeand the

Page 77 - Launching Cache Residency

DescriptionItemExternal Volume: Indicates an external volume assigned to the storagesystem.Journal: Indicates a journal.Shows the ID of the resource.R

Page 78 - 78 Managing resident cache

Setting fieldsDescriptionItemSpecify dates in the From and To fields to define a time range for displayingmonitoring data in a performance graph. You

Page 79

3 Interoperability of Performance Monitor and other productsThis chapter describes the interoperability of Performance Monitor and other products.Caut

Page 80 - 80 Managing resident cache

ObjectObject types to display graphs. The list on the left specifies a large classification of monitoringobjects. The list on the right specifies a sm

Page 81

Available Objects tableThe columns depend on the object selected. For details, see “Available Objects table”.AddAdds objects to display the graph.Sele

Page 82 - 13 Troubleshooting

Object and Monitor Data combinationsThe following table shows the possible Object and Monitor Data combinations that can be selectedin the Performance

Page 83 - Related information

Unit of monitoring dataItem on left side of Monitor Data fieldItem on right side of Object fieldMB/sData Trans.msResponse Time• If Logical Device is s

Page 84 - Typographic conventions

Unit of monitoring dataItem on right side of Monitor Data fieldItem on left side of Monitor Data field%Read (Sequential)Drive Access RateRead (Random)

Page 85 - Typographic conventions 85

Unit of monitoring dataItem on right side of Monitor Data fieldItem on left side of Monitor Data fieldDrive To Cache (Sequential)Drive To Cache (Rando

Page 86 - A Export Tool

• If External Storage is selected on the left side of the Object field, following items can beselected.Unit of monitoringdataItem on right side of Mon

Page 87 - Installing the Export Tool 87

DescriptionItemMonitoring objectID of the parity group. Only the paritygroups assigned to the user are displayed.Parity Group IDParity GroupName of th

Page 88 - Using the Export Tool

ObjectObject types to display graphs. The list on the left specifies a large classification of monitoringobjects. The list on the right specifies a sm

Page 89 - Using the Export Tool 89

Selected Objects tableObjects to display the graph.DescriptionItemObject to display the graph.ObjectType of monitoring data.Monitor DataID of the moni

Page 90 - 90 Export Tool

Cautions and restrictions for usage statistics• Usage statistics for the last three months (93 days) are displayed in long-range monitoring,and usage

Page 91 - Preparing a batch file

Object and Monitor Data combinationsThe following table shows the possible Object and Monitor Data combinations that can be selectedin the Performance

Page 92 - Running the Export Tool

Unit of monitoring dataItem on left side of Monitor Data fieldItem on right side of Object fieldMB/sData Trans.msResponse Time• If Logical Device is s

Page 93 - Termination code

Unit of monitoring dataItem on right side of Monitor Data fieldItem on left side of Monitor Data field%Read (Sequential)Drive Access RateRead (Random)

Page 94 - Error handling

Unit of monitoring dataItem on right side of Monitor Data fieldItem on left side of Monitor Data fieldcount/secTotalBack Trans.Cache To DriveDrive To

Page 95 - Export Tool command reference

Unit of monitoring dataItem on right side of Monitor Data fieldItem on left side of Monitor Data fieldcount/secTotalBack Trans.Cache To DriveDrive To

Page 96 - Subcommand list

DescriptionItemMonitoring objectID of the volume, in the following format:LDKC:CU:LDEV.LDEV IDLogical DeviceName of the LDEV. LDEV Name is thecombinat

Page 97 - outoption compressapply

DescriptionItemClick to specify options for how the table displays information.OptionsClick to view the first page.|<Click to view the previous pag

Page 98

C Performance Control GUI referenceThis topic provides reference information about the Performance Control GUI.Performance Control windowDescriptionIt

Page 99

Port tab of the Performance Control main windowUse this tab to set the limit on the performance of non-prioritized ports and set the threshold on thep

Page 100

DescriptionItemA list of ports, including the I/O rate or the transfer rate for each port. You can specify the portattributes, and the threshold and u

Page 101

windows, the graph displays changes in the maximum, average, and minimum I/O rates inone minute.Performance Control applies upper limits and threshold

Page 102 - Operands

DescriptionItemRestores the last applied settings in the window. When you click this button, all the changesdisplayed with the blue text in the window

Page 103

DescriptionItemTip: To return the control status to No Control, specify Prio. for attributes of all the host busadapters and then click Apply.Allows y

Page 104

DescriptionItemYou can add a host bus adapter that appears below Monitor and is not yet registered on anyother PFC group. If you select a host bus ada

Page 105

DescriptionItemWWN list(continued)• The WWN Port column contains the following:Ave.: Indicates the average I/O rate or the average transfer rate for t

Page 106

DescriptionItemThis check box is available only when the following Performance Control settings on ports in aremoved channel adapter remain on the SVP

Page 107

D Cache Residency GUI referenceThis topic provides reference information about the Cache Residency GUI.Cache Residency windowThis window provides the

Page 108 - Examples

DescriptionItem: Indicates an open/expanded folder. An open LDKC folder shows theCUs that belong to that LDKC. An expanded CU folder shows the LDEVsth

Page 109 - Short-range

DescriptionItemA capacity in blue italics indicates a requested operation.Cache Residency cache mode:Mode• PRIO: Priority mode.• BIND: Bind mode.• A d

Page 110

Operations boxDescriptionItemSelects the mode for the data to be added to Cache Residency cache:Cache Residency Mode• Bind: Sets the bind mode. Bind m

Page 111 - Description

DescriptionItemThis button is unavailable when Cache Residency operations to set data intocache have been requested. To enable the Release, either per

Page 112

© Copyright 2010, 2014 Hewlett-Packard Development Company, L.P.Confidential computer software. Valid license from HP required for possession, use or

Page 113

NOTE:• Continuous Access Synchronous: Performance Control monitors write I/O requests issued frominitiator ports of your storage system.• When the rem

Page 114

Multi Set LDEV tableDescriptionItemLDEV number. An LDEV number ending with # (for example, 01#) is an external volume.LDEVSize of the LDEV.SizeEmulati

Page 115

Multi-Release LDEV tableDescriptionItemLDEV num. An LDEV number ending with # (for example, 01#) is an external volume.LDEVEmulation type of the LDEV.

Page 116 - ◦ Minimum: 1 minute

Glossaryallocation The ratio of allocated storage capacity versus total capacity as a percentage. Allocated storagerefers to those logical devices (LD

Page 117 - Exported files

RAID Manager The CLI configuration and replication tool for the P9000 or XP disk array that system administratorscan use to enter RAID Manager command

Page 118

IndexAaccess paths and I/O usage rates, 36Bback-end performance and I/O usage rates, 42batch filepreparing for use with Export Tool, 91using terminati

Page 119

hard disk drive, 42hard disk drive access, 43processor blades, 34throughput, 37write pending, 35interoperabilityPerformance Monitor with other softwar

Page 120

Changing the time setting of SVPIf the monitoring switch function is performed, do not change the time setting of the SVP. If the timesetting is chang

Page 121

Figure 8 Graph 3: I/O rate displayed in Performance Monitor (the Detail check box is selected)NOTE:• Continuous Access Synchronous: Performance Contro

Page 122

4 Monitoring WWNsThis topic describes how to set up WWNs to be monitored.Viewing the WWNs that are being monitoredTo view the WWNs that are being moni

Page 123

4. Click Add New Monitored WWNs.The Add New Monitored WWNs window opens.5. Specify the following information for each new WWN:• HBA WWN (required)Ente

Page 124 - Port statistics

4. Select the WWN to connect to the port, and click Add to Ports.The Add to Ports window opens. If you select a WWN to connect, select one WWN in thel

Page 125 - Volumes (LU) statistics

5 Monitoring CUsThis topic describes how to set up CUs to be monitored.Displaying CUs to monitorTo display the list of CUs to monitor:1. Open the Remo

Page 126 - MP blades

1. Display the Remote Web Console main window.2. Select Performance Monitor in Explorer, and select Performance Monitor in the tree.The Performance Mo

Page 127

6 Monitoring operationThis topic describes how to start and stop the monitoring operation.Performing monitoring operationsThis topic describes how to

Page 128

4. Click Disable in the Monitoring Switch field.The Sample Interval list is grayed out and becomes ineffective.5. Click Finish to display the Confirm

Page 129

Contents1 Performance overview...8Performance Monitor overview...

Page 130

7 Setting statistical storage rangesThis topic describes setting statistical storage ranges.About statistical storage rangesPerformance Monitor collec

Page 131

5. Select Set Range or Use Real Time in the Time Range as the periods (ranges) for displayingstatistics.If Long-Range is selected, you can specify onl

Page 132

8 Working with graphsThis topic describes how to display statistical graphs.Basic operationUse Monitor Performance window to display graphs.1. Display

Page 133

you click the text link, the resources assigned to an MP blade of top 20 in usage ratesare displayed on the detailed window.12. To close the graph, cl

Page 134

Monitoring dataMonitoring target objectWrite throughput (IOPS).Cache hit (%).Data transfer (MB/s).Response time (ms).Back transfer (count/sec).Drive u

Page 135

Usage rate of a data recovery and reconstruction processorFunctionA data recovery and reconstruction processor (DRR) is a microprocessor (located on t

Page 136

Selection of monitoring objectsSelect monitoring objects in Performance Objects field. The combination of items is shown asfollows.Item on right side

Page 137

Selection of monitoring objectsSelect monitoring objects in Performance Objects field. The combination of items is shown asfollows.Item on right side

Page 138 - Monitored WWNs tab

Item on right side of MonitorData fieldItem on left side of MonitorData fieldItem on right side of ObjectfieldItem on left side of ObjectfieldTotalWri

Page 139 - Edit Monitoring Switch wizard

Selection of monitoring objectsSelect monitoring objects in Performance Objects field. The combination of items is shown asfollows.Item on right side

Page 140 - Monitor Performance window

Usage rate of a data recovery and reconstruction processor...35Usage rate of cache memory...

Page 141 - Performance Objects

Selection of monitoring objectsSelect monitoring objects in Performance Objects field. The combination of items is shown asfollows.Item on right side

Page 142 - Selected Objects table

hit ratio for that time period is 30 percent. A higher write hit ratio implies higher processingspeed because fewer data transfers are made between de

Page 143

Back-end performanceFunctionThe back-end transfer can be monitored. The back-end transfer is the number of data transfersbetween the cache memory and

Page 144

Storing periodShort-Range can be specified.Selection of monitoring objectsSelect monitoring objects in Performance Objects field. The combination of i

Page 145 - Object field is blank

Storing periodShort-Range can be specified.Selection of monitoring objectsSelect monitoring objects in Performance Objects field. The combination of i

Page 146

9 Changing display of graphsThis topic describes how to change displaying of graphs.Graph operationInformation displayed in the graph can be changed.

Page 147 - Available Objects table

1. Display graph in the Monitor Performance window.For details, see “Basic operation ” (page 32).2. Click Add Graph.The Add Graph window opens.3. Chan

Page 148 - Edit CU Monitor Mode wizard

10 Performance Control operationsThis topic provides information and instructions for using Performance Control software to performupper-limit control

Page 149 - Unmonitored CUs table

1. Set priority to ports on the storage system using the Port tab of the Performance Control mainwindow.In network A, the ports 1A and 1C are connecte

Page 150 - Confirm window

3. Set an upper limit to traffic at the non-prioritized port. To prevent decline in I/O rates atprioritized ports, you set upper limit values to the I

Page 151

Viewing Cache Residency information...77Placing specific data into

Page 152 - View CU Matrix window

Figure 13 Network B (many-to-many connections are established between HBAs and ports)If many-to-many connections are established between HBAs and port

Page 153

3. Set priority to host bus adapters using the WWN tab of the Performance Control main window.In network B, the production server is given high priori

Page 154 - Parity Group Properties table

Figure 16 Traffic at ports5. Set an upper limit to traffic between ports and the non-prioritized WWN to prevent declinein I/O rates at prioritized WWN

Page 155 - Edit WWN wizard

If an upper limit of the non-prioritized WWN is set to zero or nearly zero, I/O performancemight be lowered. If I/O performance is lowered, the host c

Page 156 - Edit WWN Monitor Mode wizard

For details on the system configuration of one-to-one connections between host bus adapters andports, see “If one-to-one connections link HBAs and por

Page 157 - Unmonitored WWNs table

7. Right-click a low-priority port and then select Prio ->> Non-Prio from the pop-up menu. If thereis more than one low-priority port, repeat th

Page 158

Setting a thresholdIf threshold control is used, upper limit control is automatically disabled when traffic betweenproduction servers and the storage

Page 159

Table 6 Relationship between the thresholds of the prioritized port and the upper limitsof the non-prioritized portZero is set to the upper limit of t

Page 160 - Add New Monitored WWNs wizard

2. Click to change to Modify mode.3. In the Performance Control window, click Performance Control. The Performance Control mainwindow appears.4. Ensur

Page 161 - Selected WWNs table

If you add a port or host bus adapter to the storage system after the settings above, the trafficsabout connections to the newly added port or host bu

Page 162

Resource usage and write-pending rate statistics...118Parity groups, external volume gr

Page 163 - Add to Ports wizard

2. Click to change to Modify mode.3. In the Performance Control window, click Performance Control. The Performance Control mainwindow appears.4. Selec

Page 164

7. Double-click Monitor, which is displayed below the specified port.8. Check to see if all the WWNs of the host bus adapters to be controlled by usin

Page 165 - Monitor window

3. In the Performance Control window, click Performance Control. The Performance Control mainwindow appears.4. Ensure that the WWN tab is displayed.5.

Page 166 - Graph panel

If many-to-many connections are established between host bus adapters and storage system ports,you can set one threshold value for the entire storage

Page 167 - MP Properties window

7. Enter a new PFC name in the PFC Name box and then select OK. You can use up to 64characters for an PFC name.8. In the Performance Control main wind

Page 168 - Edit Time Range window

Grouping host bus adaptersUse Performance Control to create an PFC group to contain multiple host bus adapters. You caninclude a maximum of 32 host bu

Page 169 - Setting fields

4. Select the WWN tab.5. In the lower-left tree, double-click the PFC group ( ) that contains the host bus adapter to bedeleted.6. Below the PFC icon,

Page 170 - Performance Object Selection

6. If you selected the Storage System folder, take the following steps:• Select IOPS or MB/s from the list at the upper-left corner of the list. Selec

Page 171

8. In the Performance Control main window, click Apply.The settings in the window are applied to the storage system.Deleting an PFC group1. Click Repo

Page 172

11 Estimating cache sizeThis topic describes how to estimate the cache size required for using Cache Residency.About cache sizeThe required cache size

Page 173

Port tab of the Performance Control main window...188WWN tab of the Performance Cont

Page 174

If the priority mode or the bind mode is set, the cache size is calculated assuming that one slot hasthe following values.• For open-systems volumes:F

Page 175

1. Calculate the converted values of the starting address and the ending address.For all specified LDEVs:1. For OPEN-V:Number of LBAs = LDEV size (KB)

Page 176

2. For emulation types other than OPEN-V:Number of LBAs = Converted value of ending address - Converted value of startingaddress + 1Calculate the numb

Page 177 - Add Graph window

Calculating cache size for mainframe systems1. Calculate the converted values of the starting address and the ending address.1. For all specified LDEV

Page 178

• For OPEN-V volumes, Cache Residency cache areas must be defined in logical blocks usinglogical block addresses (LBAs), with a minimum size of 512 LB

Page 179

12 Managing resident cacheThis topic provides instructions for using Cache Residency software to manage resident cache.Cache Residency rules, restrict

Page 180

The following operations automatically reset Cache Residency cache:◦ When LDEVs that is partly or wholly assigned to Cache Residency is deleted.◦ When

Page 181

If the host timeout period is set to 11 seconds or longer, limit the total amount of data to:◦ 3 GB or less for open systems◦ 3,000 cylinders or less

Page 182

3. Select an unallocated area in the LDEV information table as the area to place specific datafrom one or more LDEVs into Cache Residency cache. The s

Page 183

7. Verify the Prestaging setting:• To enable prestaging, select Prestaging.• To disable prestaging, clear Prestaging.8. To start the operations, click

Page 184

1 Performance overviewUnless specified otherwise, the term HP XP P9000 refers to the HP XP P9500 Disk Array.This chapter provides an overview of the R

Page 185 - Navigation buttons

8. Monitor the Cache Residency window to make sure that the operations complete successfully.The cache information area shows the progress of the requ

Page 186

1. Check the Multi Set / Release box, click Release, and then click OK on the confirmationmessage.2. In the Multi Release dialog box, select the desir

Page 187 - Performance Control window

13 TroubleshootingThis topic provides references to sources of troubleshooting and contact information for HP TechnicalSupport.Troubleshooting resourc

Page 188

14 Support and other resourcesContacting HPFor worldwide technical support information, see the HP Support Center:http://www.hp.com/go/hpscBefore cont

Page 189

Conventions for storage capacity valuesXP P9000 disk arrays use the following values to calculate physical storage capacity values (harddisk drives):•

Page 190

CAUTION: Indicates that failure to follow directions could result in damage to equipment or data.IMPORTANT: Provides clarifying information or specifi

Page 191

A Export ToolThis topic explains how to export the monitoring data collected on your storage system into files.About the Export ToolUse the Export Too

Page 192

NOTE: If a firewall exists between the Remote Web Console computer and the SVP, seeChapter 2 of the HP P9000 Remote Web Console User Guide. In the sec

Page 193

4. Go to the /program/monitor/UNIX directory on the CD-ROM, and copy the export.tarfile to the new directory you just created.5. Decompress the export

Page 194

The login subcommand logs the specified user into SVP. You must include the loginsubcommand in your command file. For detailed information about the l

Page 195 - Cache Residency window

Upper-limit controlUsing Performance Control you can limit the number of I/O requests from servers to the storagesystem as well as the amount of data

Page 196 - LDEV Information table

the stored data. You can specify both the short-range and long-range subcommandsat the same time. The difference between these subcommands is as follo

Page 197 - Cache Information

Preparing a batch fileA batch file is used to run the Export Tool. The Export Tool starts and saves monitoring data in fileswhen you execute the batch

Page 198 - Operations box

-Dmd.command=command.txt -Dmd.logpath=log sanproject.getmondat.RJMdMain<CR+LF> pause <CR+LF>Example batch file for UNIX systems (runUnix.b

Page 199 - Multi Set dialog box

Processing timeFiles saved by the Export Tool are often very large. The total file size for all the files can be aslarge as approximately 2 GB. For th

Page 200 - Multi Release dialog box

In the previous scripts, <CR+LF> indicates the end of a command line.Log filesWhen the Export Tool runs, the Export Tool creates a new log file

Page 201 - Multi-Release LDEV table

Cause of errorError message IDAn internal process is being executed, or maintenance is in progress.5205 2003SVP is now updating the statistics data.52

Page 202 - Glossary

Writing a script in the command fileWhen you write a script in your command file, be aware of the following:• Ensure that only one subcommand is used

Page 203

OperandsDescriptionOperandSpecifies the IP address of SVP.ip-addressIf SVP is managed with IPv6 (Internet Protocol Version 6), you must specify the ip

Page 204 - 204 Index

loginDescriptionThis e subcommand uses a user ID and a password to log the specified user in SVP.The svpip subcommand must execute before the login su

Page 205

SyntaxshowOutputsThe show subcommand displays the storing period and the gathering interval for these two typesof monitoring data: in short range and

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