Hp XP P9000 Performance Advisor Software Manual do Utilizador

HP StorageWorks P9000 Performance AdvisorSoftware User GuideThis document describes how to use the HP StorageWorks P9000 Performance Advisor Software

Glossary ... 465Index ...

• Configure alarms on the associated LDEVs, so that P9000 Performance Advisor monitors andsends appropriate notifications to intended recipients. For

4. Click Create Custom Group. The Create Custom Group button is enabled only when you selectLDEV records in the Custom Groups table.The selected set o

• P9000 XP Continuous Access Synchronous is installed on an XP24000 Disk Array (primary storageserver) to create a secondary copy of the production da

3. Click View. The View button is enabled only when you select LDEV records in the Custom Groupstable.The View Custom Group Details screen appears pro

DescriptionScreen elementsDisplays the LDEV ID of the LUSE master, if theselected LDEV is a LUSE component. If the LDEV isnot a LUSE component, this f

2. To add the LDEV records to a custom group:a. Select a custom group from the list under List of Custom Groups.b. In the LDEV records table, select t

Managing fabricated LDEV recordsP9000 Performance Advisor enables you to modify the fabricated or incomplete LDEV records that itgets from the RMLIB.

DescriptionScreen elementsDisplays the total number of LDEV records that you can view on the Data GridUpdate screen. This number is inclusive of all t

Related Topics• “Modifying records” on page 108• “Applying Template” on page 110Modifying fabricated LDEV recordsYou can modify or delete the fabricat

3. Enter the values for the following in the text boxes located above the Data Grid Update table:• Host• Target:LUN• Volume Group• Device File• SSIDAl

FiguresP9000 Performance Advisor Dashboard ... 171License screen ...

3. Click Delete Records.A dialog box appears prompting you to confirm the removal of the selected LDEV records.4. Click OK.The record is removed from

You can also login as a storageadmin, who is an administrator user of CV XP and has the sameprivileges as the administrator user of P9000 Performance

A new user record appears under Users. By default, records are sorted in an alphabetical order.Related Topics• “Changing password” on page 112• “Delet

Viewing group propertiesTo view the properties of a group:1. Click PA and DB Settings > Security in the left pane.The Security screen appears.2. Se

Configuring common settings for P9000 Performance Advisor114

6 Monitoring performance of XP and P9000disk arraysThis chapter discusses the following topics:• “Introduction” on page 115• “Configuring dashboard th

In addition, the average usage summary for components is also derived from the set threshold durationand verified against the threshold limits set for

2. Click a status icon in the Frontend, Cache, Backend, or the MP Blade (applicable only for theP9000 disk arrays) category in the XP/P9000 Array Heal

The Component Information section, where the busiest and leastbusiest components are displayed. These components areassociated with the corresponding

1. Do one of the following:Click PA and DB Settings > Threshold Setting in the left pane.ORClick Edit Threshold on the Dashboard screen. The Dashbo

Host Basedscreen ... 36233HP StorageWorks P9000 Applica

3. Enter the threshold value.When you set the threshold limits, P9000 Performance Advisor verifies the usage of componentsagainst the set threshold li

the P9000 disk arrays, and the average usage summary of components, specify the thresholdlimit for at least one metric in the respective category.The

1. Go to the Component Settings section on the Threshold Setting screen.2. From the Maximum Components list, select the maximum number of consumers yo

DescriptionScreen elementsCacheIf the cache exceeds the defined threshold limit during the specified threshold duration for a cache metric, the status

DescriptionScreen elementsThe RG utilization threshold value indicates the average overall RAID group utilization that youdefine for an individual RAI

DescriptionSectionsDisplays the statistics of the average usage summary of individual componentsfor the category, for which you click the status icon.

XP/P9000 array healthThe following table describes the different status icons that depict the overall health of the XP and theP9000 disk arrays in the

The overall usage status of an XP or a P9000 disk array in a category is based on the usage ofcomponents in that category. The usage data is collected

• The average sequential backend write tracks on individual RAID groups• The average utilization of a RAID group• The average utilization of an ACP/DK

DescriptionComponent levelsCan include the following:• The components whose usage corresponding to a particular metric is at 95%of the threshold limit

TablesLicense management during installation or upgrade ... 221Meter based Term licenses for P9500 ar

DescriptionMetricsCat-egoryRG Seq Reads (IOPS) (Avg Seq Reads), RG NonSeq Reads (IOPS) (AvgNonSeq Reads), RG Writes (IOPS) (Avg Writes): Average of th

IMPORTANT:Combined backend transfers:In Thin Provisioned environments, the overall backend transfers at the RAID group level are reportedusing combine

IMPORTANT:At a time, you can view the maximum X busiest consumers for only one frontend, backend, or MPblade record that you select in the Statistics

DescriptionMetricsThe frontend throughput in MB/s read and written to the LDEV during the specified thresholdduration.Block IO MBPSThe average of the

1. Select a record corresponding to a port, CLPR, RAID group, or an MP blade in the Frontend,Cache, Backend, or the MP Blade Statistics section, or a

3. Select the check box for the metric, for which you want to view the performance or usage graphof the selected component, and click OK.P9000 Perform

High watermark level.1Monitoring performance of XP and P9000 disk arrays136

7 Configuring alarms and managing eventsThis chapter discusses the following topics:• “Introduction” on page 137• “Configuring alarms and viewing alar

IMPORTANT:You can configure and activate alarms on components only if you have logged into P9000 PerformanceAdvisor as an Administrator, or a user who

2. In the component selection tree under Data Source, select components on which you want toconfigure alarms. For more information on selecting compon

XP1024 ... 43633XP12000 ...

For a new component record, the following default values are displayed in the Alarms table:• Selected XP or P9000 disk array name under Array• Selecte

• Deleting component records. For more information, see “Deleting records in the Alarmstable” on page 148If you want to configure notification and mon

the Alarms Status list. The set of RAID group records are further filtered to display only RAID group,1–3 for the RAID Group Total IO – Frontend metri

• “Applying a template” on page 147• “Deleting records in the Alarms table” on page 148• “Filtering records in Alarms History table” on page 153• “Vie

2. In the Alarms table, select the component records for which you want to specify the thresholdlevel.You can also filter component records in the Ala

Related Topics• “Adding or removing metric values” on page 138• “Setting threshold level” on page 142• “Establishing scripts for alarms” on page 145•

<?xml version=”1.0” encoding="ISO-8859-1"?><!-- A sample XML file describes the script to be executed --><Service><Meth

• “Filtering records in Alarms History table” on page 153• “Viewing graph of metric value's performance” on page 155• “Filtering event records” o

4. Click Apply Settings. If required, modify the alarm settings copied to the Settings section andthen apply the updated settings to other records in

2. Select the record that you want to delete.3. Click Delete.The records are permanently removed from the Alarms table. Once Alarm is deleted, an entr

1 Introduction to P9000 PerformanceAdvisorOverviewHP StorageWorks P9000 Performance Advisor Software collects, monitors, and displays theperformance o

3. In the Physical LDEV text box, enter the cu:ldev format of the LDEV that you want to search andclick the Search icon.The component selection tree f

While configuring an alarm, if you set threshold and dispatch settings but do not enable the alarmfor a component, P9000 Performance Advisor does not

DescriptionScreen elementsDisplays the array model to which the selectedcomponent belongs.DKC/Grp (Array Name)Displays the array type to which the sel

DescriptionScreen elementsDisplays the status on email and SNMP notifications,and script execution. The five possible statuses arelisted as follows:•

3. Click Filter. P9000 Performance Advisor filters the existing set of records and displays only thosethat match the selection criteria on the Alarm H

DescriptionScreen ele-mentsThis list displays the following options:• Time posted (default selection): If this option is selected, the time stamps of

• The performance of a component drops below the set threshold limit.The current value of the component is displayed under Value in the Alarms History

• “Adding or removing metric values” on page 138• “Configuring notification and monitoring settings” on page 140Viewing eventsP9000 Performance Adviso

• “Deleting event records” on page 159Filtering event recordsYou can filter event records based on the duration when the events are logged, type, and

DescriptionSeverity levelCritical errors, where P9000 Performance Advisormay not function.Critical ErrorThough you would have already set the severity

P9000 Performance Advisor also provides P9000Watch, a troubleshooting tool that helps you totroubleshoot performance issues of the XP and the P9000 di

Configuring alarms and managing events160

8 Managing the P9000 PerformanceAdvisor databaseThis chapter discusses the following topics:• “Introduction” on page 161• “Configuring database size”

IMPORTANT:• You have to log on to P9000 Performance Advisor as an Administrator or a user with administratorprivileges to configure, purge, archive, o

• “Automatically purging data” on page 167• “Creating and viewing Export DB CSV files” on page 168• “Archiving data” on page 178• “Importing data” on

initiate Auto Grow + 3 GB), the allocated database size is automatically increased by additional2 GB.Simultaneously, the following prediction on the t

1. Click PA and DB Settings > Database Manager in the left pane.The Database Manager screen appears. By default, the DB Configuration/Purge is enab

CAUTION:The data that is purged cannot be recovered. It is permanently deleted from the P9000 PerformanceAdvisor database. Hence, purge data only when

4. Click Purge.A dialog box appears prompting you to confirm the deletion of records.5. Click Yes. P9000 Performance Advisor deletes the performance d

• “Automatically increasing the database size (AutoGrow)” on page 163• “Manually increasing the database size” on page 164• “Manually purging the data

• The performance data collection interval time stamps.• The data for the following metrics:• RIO Read Cache Hits, RIO Reads, RIO Write Cache Hits, an

2 Working with the P9000 PerformanceAdvisor GUIIntroductionThe P9000 Performance Advisor screen has the following sections:• Title bar• Left pane• Rig

IMPORTANT:Since, the CHIP/CHA and the ACP/DKA MPs are moved to the MP blades in the P9000 disk arrays,their MP utilization metrics are not applicable

The MP busy time indicates the time taken by an MP blade to process the request it receives fromthe associated processing type.rgutil_exportDB-array_s

Creating Export DB CSV filesIMPORTANT:• If you have logged in with user privileges, you cannot schedule the export DB activity.• Only a single .csv fi

3. Based on your requirement, select the Collection Period as One Time or Recurring.• If you select the Collection Period as One Time, proceed to step

6. Select the check box for Human Readable Format, if you want to view the data for LDEVs in thecu:ldev format.7. Select the check box for Version Num

9. Select the check box for the RG Utilization, if you want to view the percentage of utilization forthe RAID groups. This option can be used only whe

• “Automatically increasing the database size (AutoGrow)” on page 163• “Manually increasing the database size” on page 164• “Manually purging the data

the corresponding schedule details for the Export DB schedules are also displayed in the ScheduledExport DB tasks section, under the View Exported/Sch

• “Automatically purging data” on page 167• “Archiving data” on page 178• “Importing data” on page 181• “Deleting logs for archival and import activit

IMPORTANT:• After the data is archived, it is permanently deleted from the P9000 Performance Advisor databaseand the free disk space is released back

• Help: Click Help to launch the P9000 Performance Advisor help.• Sign Out: Click Sign Out if you want to log off from P9000 Performance Advisor.• HP

5. Click Export.P9000 Performance Advisor archives data for the specified duration. As part of the archivalprocess, P9000 Performance Advisor does the

• “Deleting logs for archival and import activities” on page 184• “Migrating data to another management station” on page 184Importing dataYou can impo

IMPORTANT:The following are a few important points:• After importing performance data for an XP or a P9000 disk array, ensure that you perform afresh

3. Based on the XP or the P9000 disk array for which you want to import its performance data,select the relevant file from the list displayed in the A

• “Automatically increasing the database size (AutoGrow)” on page 163• “Manually increasing the database size” on page 164• “Manually purging the data

CAUTION:HP Strongly insists not to manually copy or use the drag and drop feature to move the PADB folderto the target management station, or another

Space requirements• Before taking a backup of the database, make a note of the Current Database Size under the DBConfiguration/Purge tab.• While resto

6. Click Yes to proceed.The Backup status window is displayed. Also, the details of the data being backed up is displayedin the command prompt window.

• %HPSS_HOME%\bin\backuputility -backup target-path —time <Start dateand time> <End date and time>The format for the start and end date, a

• PORTs = Total number of ports for an XP or a P9000 disk array• Ldev_Collection_frequency = Collection frequency for LDEVs (in seconds)• Port_Collect

Right paneThe right pane displays the screen based on the menu that you select in the left pane. You can selectrelated options on these screens to ach

Managing the P9000 Performance Advisor database190

9 Viewing XP and P9000 disk arraycomponentsThis chapter discusses the following topics:• “Introduction” on page 191• “Viewing performance summary” on

NOTE:The CHIPs and ACPs are applicable only for the XP48, XP128, XP10000, XP12000, and the XP20000Disk Arrays. They are replaced by the CHAs and the D

Figure 11 on page 193 shows the Array View screen for 53036, which belongs to the P9500 DiskArray type:Figure 11 Array View screen.Further, to view th

For P9000 disk arraysFor XP disk arraysDocumentation LinksDescriptionComponent selectiontreeNoYes“Viewing ACP/DKAdata” on page 210Provides the followi

For P9000 disk arraysFor XP disk arraysDocumentation LinksDescriptionComponent selectiontreeYesYes“RAID Group sum-mary” on page 231Provides the follow

For P9000 disk arraysFor XP disk arraysDocumentation LinksDescriptionComponent selectiontreeYesNo• “Viewing CHIP/CHAdata” on page 205• “Viewing ACP/DK

The following table describes the Performance View screen elements. The images shown are for53036, which belongs to the P9500 Disk Array type.Descript

DescriptionPerformance View screen ele-mentsFor an XP disk array, the Bus/PathUtil % group box displays theCHIP/CHA utilization and the ACPpair utiliz

DescriptionPerformance View screen ele-mentsDisplays the overall averagesequential and non-sequentialreads, and writes for an ACP pair.For more inform

© Copyright 2012 Hewlett-Packard Development Company, L.P.Confidential computer software. Valid license from HP required for possession, use or copyin

screen sorts in an alphabetical order. The Value column sorts based on the numbers first followedby the alphabets.Resizing columnsTo resize a column w

DescriptionPerformance View screen ele-mentsDisplays the average utilization ofan MP blade, which is calculatedas the utilization of all the individua

IMPORTANT:• The MIX CHIP displays only eight ports and four MPs though there are eight MPs on that board.The remaining four behave as ACP MPs.• If per

DescriptionScreen elementsThe Volume Information displays the summary of allthe components for the selected XP or the P9000 diskarray. A list of compo

Related Topics• “Viewing performance summary” on page 196• “Advisory on CLPR utilization” on page 205• “Viewing CHIP/CHA data” on page 205• “Viewing A

• CHA MPs and the associated ports.The port type, such as Fibre, Ficon, Escon, or FCoE (applicable only for P9000 disk arrays) is alsodisplayed beside

Advisory on CLPR utilizationP9000 Performance Advisor provides an advisory on the usage of individual CLPRs in an XP or aP9000 disk array. The advisor

CHIPs/CHAs. You can also click CHIP for an XP disk array or CHA/DKA for a P9000 disk array inthe component selection tree.The summary is displayed in

The following table describes the CHIP/CHA summary table for an XP disk array and the CHA summarytable for a P9000 disk array.CHA summary table for P9

IMPORTANT:• The port type, such as Fibre, Ficon, Escon, or FCoE (applicable only for P9000 disk arrays) is alsodisplayed beside the port ID.• Since, t

For P9000 disk arraysFor XP disk arraysIndividual CHIP/CHA dataYesYesThe average I/Os and throughput of datain MB/s on all the ports in the selectedCH

3 Managing licenses for XP and P9000 diskarraysThis chapter discusses the following topics:• “Introduction” on page 21• “Instant-on license on P9000 P

• “Viewing MP blade utilization for P9000 disk arrays” on page 214• “Viewing Smart and ThP pools data for P9000 disk arrays” on page 217• “Utilization

The following images display the ACP Pair Backend group box and the DKA summary table for 53036,which belongs to the P9000 Disk Array type:HP StorageW

The following table describes the ACP/DKA summary table for an XP disk array and the DKA summarytable for a P9000 disk array.DKA summary table for P90

For P9000 disk arraysFor XP disk arraysIndividual ACP/DKA dataSummaryNoYesThe MPs on the individual ACP/DKA andtheir utilization percentageFor example

• “Utilization Summary” on page 203• “10 busiest LDEVs/Ports” on page 228• “10 busiest LDEVs/RAID groups” on page 229• “Port summary” on page 233• “Vi

Figure 13 MP Blades screen.The MP Blade Configuration group box includes the following:• The installed MP blades, DKCs, and the clusters to which they

DescriptionMP blade screen elementsDisplays the following details:• Processing Type: The list of processing types.• Avg. Util%: The average MP blade u

MPB-1MB is also listed in the MP Blade Configuration group box.• MPB-1MB belongs to the Cluster 1 and the DKC 0.• 1 in MPB-1MB represents the cluster

To view data about the different storage tiers and the RAID group utilization for a Smart or ThP poolin a P9000 disk array, click Pools for the disk a

IMPORTANT:The data on the Smart pools and the ThP pools are not displayed if the pools are not configured inthe selected P9000 disk array. The followi

So, usable capacity = Internal LDEVs — (External Volumes + Virtual Volumes)Table 1 License management during installation or upgradeLicense management

DescriptionColumn namesDisplays the sum of the random and sequential read and write I/Os on the individual Smart pool or theThP pool.IOPSDisplays the

NOTE:HP recommends viewing a maximum of 150 records at a time, so that there is no performanceimpact.• The metrics based on which you want to sort the

• “10 busiest LDEVs/Ports” on page 228• “10 busiest LDEVs/RAID groups” on page 229• “Port summary” on page 233• “Viewing LDEV data” on page 236Viewing

Figure 18 Continuous Access Async.Table 13 describes the data displayed:Table 13 Continuous access configuration dataDescriptionScreen elementSerial n

DescriptionScreen elementFailed or Active.NOTE:When Continuous access is configured as Sync orAsync and the selected volume type is SVOL, thenyou migh

CA link status metricsSelect the row to see the performance metrics of PVOL or SVOL (based on the volume type). If journalsare displayed in the select

DescriptionScreen elementsThe average utilization of the MP blade that isconfigured for the selected volume based on thevolume type (S-VOL or P-VOL).N

DescriptionScreen ele-mentState of the journal group, can be one of the following:• JSTAT_SMPL: The journal volume that does not have a pair, or delet

Column HeadColumn HeadTotal random and sequential frontend read and write MBs on the journalLDEV during the entire collection interval.LDEV MB/s - Fro

Figure 19 10 busiest front end LDEVs.Figure 20 10 busiest front end Ports.Related Topics• “Viewing performance summary” on page 196• “Viewing CHIP/CHA

License screenYou can add new licenses and view the status of existing licenses on the License screen. Figure2 on page 23 shows the License screen tha

IMPORTANT:• Under the LDEV tab, you can also view the associated RAID Group for an LDEV. This data helpsdetermine if more than one LDEV is contributin

• “Utilization Summary” on page 203• “10 busiest LDEVs/Ports” on page 228• “RAID Group summary” on page 231• “Port summary” on page 233• “Viewing LDEV

DescriptionScreen elementsThe RAID group to which the LDEV belongs.RGThe SLPR with which the RAID group is associated.NOTE:SLPR does not exist in the

DescriptionScreen elementsThe sequential write parity utilization percentage fora RAID group.% RGUtil Seq Write ParityThe overall percentage utilizati

Figure 24 Port summary.DescriptionScreen elementsDisplays the port ID for the CHP port. Provides the op-tion to view information associated with a par

DescriptionScreen elementsDisplays the minimum frontend I/Os on the port.Min IO/sDisplays the maximum frontend throughput in MB/s.Max MB/sDisplays the

Viewing LDEV dataP9000 Performance Advisor displays the following data on the Array View LDEV screen for all theLDEVs that belong to an XP or a P9000

You can query the existing performance data in P9000 Performance Advisor for a particular dateand time stamp to view the corresponding point in time d

page links to navigate to other sections of the LDEV table and view additional LDEV records. You canalso click the prev, next, or last links to naviga

DescriptionScreen elementsSelect Host Group to sort LDEV data based on the host groups (does not apply tothe XP48 Disk Array).Host GroupSelect Jnl Gro

DescriptionScreen elementsIn this section, view the status of all the Permanent licenses installed on P9000 PerformanceAdvisor. It displays the aggreg

2. Click Query. If you do not select a last collection date and time stamp, the current last collectiondate and time stamp is considered for querying

For P9000 disk arraysFor XP disk arraysDescriptionScreen elementsYesYesThe RAID group to whichthe LDEV belongsRGYesYesThe card letters for theACP pair

Components and metrics in the LDEV Column Settings listTable 19 on page 242 lists components available for selection in the LDEV Column Settings list:

DescriptionScreen elementsThe port ID for the CHIP (CHP) port. Provides the op-tion to view information associated with a particularport or with all p

DescriptionScreen elementsThe external LUN LDEV ID on the external array.E-LDEVIndicates that the LDEV is an Ext-Lun. The followingoptions are availab

DescriptionScreen elementsThe identification number of the LUN.LUN (Logical Unit Number) IDThe identification number of the MP blade that is cur-rentl

DescriptionScreen elementsThe LUN associated with the given LDEV.Target LUNThe volume group identification name if the device isassociated with a volu

IMPORTANT:• If the state for an LDEV displays up as SMPL (Simplex), it means that the LDEV is neither configuredas a PVOL or SVOL.• The replication pa

Filtering LDEV recordsRecords in the LDEV table can be filtered in the following ways:• Filter records based on user specified criteria• Filter record

The LDEV table displays only those records that match the specified RAID group IDs.Filter records for values greater or lesser than the specified valu

NOTE:The term, monitored XP or P9000 disk arrays, refers to those XP or P9000 disk arrays for whichat least one round of configuration data collection

4. Click OK to continue.A record for the export activity is logged in the Event Log screen. The record includes the nameof the XP or P9000 disk array,

Continuous Access Journal Detail ViewDouble-click a Journal group volume ID in the Jnl Group column to open the Continuous Access JournalDetail View s

DescriptionScreen elementsThe status of the ThP Pool• 0: Undefined/Creating/Deleting – Specified pooldoes not exist completely.• 1: Normal• 2: Pool ca

IMPORTANT:• The LDEV table does not display hyperlinks in the ACP Pair ID and ACP Pair Util fields for RAIDgroups spanning across multiple ACP pairs.

Viewing CLPR informationClick a CLPR value in the LDEV table to view the detail view for that CLPR in a separate browserwindow. In the CLPR window, th

• “Viewing ACP/DKA data” on page 210• “Utilization Summary” on page 203• “10 busiest LDEVs/Ports” on page 228• “10 busiest LDEVs/RAID groups” on page

Viewing XP and P9000 disk array components256

10 Using chartsThis chapter discusses the following topics:• “Introduction” on page 257• “Plotting charts” on page 262IntroductionYou can plot perform

of a component by viewing its data points collected at different collection rates in the same chart.You can compare components across the XP and the P

IMPORTANT:• In the Chart Work Area, plot performance graphs for any combination of the XP and the P9000disk arrays, metrics, and components. Ensure th

• It initiates a grace period of 60 days for all the monitored XP and P9000 disk arrays. Duringthe grace period, you can monitor unlimited internal ra

DescriptionSectionsIncludes the Available Metrics Choose Metric Category list thatdisplays all the applicable metrics from the following metriccategor

DescriptionSectionsBy default, each chart window is identified by the metric categoryfor which the performance metrics of components are plotted. TheC

• “Zooming in on charts” on page 316Plotting chartsNOTE:The figures in the following procedure are an example for the XP disk array metric selection.P

1. Click Monitoring > Charts in the left pane.The Charts screen appears. By default, the Data Source section displays the following main nodesin th

2. Based on your requirement, select components from an XP or a P9000 disk array or chooseLDEVs from a custom group. You can also search for a particu

By default, the metrics for the first metric category in the list are automatically displayed in theMetric column.3. Choose the metrics for which you

DescriptionXP or P9500 Disk Array main categories – component se-lection treeFor an XP disk array, Front-end comprises of the frontendcomponents, such

DescriptionXP or P9500 Disk Array main categories – component se-lection treeComprises of volumes that are used in the business copy or thecontinuous

This logical grouping of components enables easy navigation through different levels of componenttypes to select and view performance graphs of specif

IMPORTANT:• For a component type, the metrics are displayed for selection only if the corresponding componentsare supported or configured in the XP an

DescriptionScreen elementsDisplays the aggregate capacity of all valid licensekeys installed.License capacity (TB)Displays the current status of the l

In the above image, under Front-end for the XP disk array 10090 (XPArray_1):1. Front-end is the main category.2. Port is the component type. The numbe

The applicable metrics are displayed in the Available Metrics Choose Metric Category list. Select themetrics at the component type or the individual c

IMPORTANT:CLPRs do not exist in an XP1024 Disk Array. So, the Cache related metrics are not displayed in theAvailable Metrics Choose Metric Category l

NOTE:For an XP10000 Disk Array, the MIX boards do not have MP4, 5, and 6 defined. So, when thesemetrics are chosen, the utilization is shown as zero.T

In the above image, under MP Blades for the P9000 disk array 53036:• MP Blades is the main category. The number 2 indicates the total number of MP bla

• “Back-end navigation path” on page 275• “Replication Volumes navigation path” on page 284• “Pools navigation path” on page 278• “Snapshot Pool navig

In the above image, under Back-end for the XP disk array 10090:• DKA is a component type. The number (2) indicates the number of DKA pairs available o

In the above image, under Back-end for the P9000 disk array 53036:• DKA is a component type. The number (1) indicates the number of DKA pairs availabl

the XP disk arrays and For the P9000 disk arrays columns indicate whether the particular defaultmetric is applicable for that XP or P9000 disk array.F

• VVols (6)• Volumes (6)In the above image, under THP Pool for the XP disk array 10090:• THP Pool is the main category. The number (18) indicates the

For P9000 Performance Advisor to continue configuration collection for additional internal raw diskcapacities on the monitored XP disk arrays or usabl

For the P9000 disk arraysThe Pools main category comprises of the following:• ThP pools• Smart poolsTHPThe THP comprises of the associated RAID groups

• THP is the component type that displays the individual ThP pools.• SMART is another component type.• Pool ID:5 is a Smart pool.• RG(s) is a componen

• “Custom groups navigation path” on page 293Snapshot Pool navigation pathThe Snapshot Pool main category comprises of the snapshot pools that contain

• RG(s) is a component type. The number (2) indicates the number of RAID groups associated withthe Snapshot Pool ID:7.• 5–6 is one of the individual R

• “Drive types navigation path” on page 292• “Custom groups navigation path” on page 293Replication Volumes navigation pathThe Replication Volumes mai

The applicable metrics are displayed in the Available Metrics Choose Metric Category list. Select themetrics at the component type or the individual c

LUSE > Individual LUSE masters > Components (component type) > Individual LDEVs that belong tothe selected LUSE master.The LUSE masters and t

Related Topics• “Front-end navigation path” on page 269• “Cache navigation path” on page 271• “MP Blades navigation path” on page 273• “Back-end navig

NOTE:The ports and LDEVs can be associated with multiple hosts in a host group.The port type, such as Fibre, Ficon, Escon, or FCoE (applicable only fo

RAID groups under the Back-end category. For more information, see “Front-end navigationpath” on page 269 and “Back-end navigation path” on page 275.F

IMPORTANT:• It is mandatory that you have the P9000 Performance Advisor registration number to generate aPermanent frame license. This registration nu

In the above image, under Host Groups for the P9000 disk array 53025:• MP Blades is a component type under Host Group. The number (3) indicates the nu

• “Replication Volumes navigation path” on page 284• “Ext-RG(s) navigation path” on page 291• “Drive types navigation path” on page 292• “Custom group

• “Custom groups navigation path” on page 293Drive types navigation pathThe Drive Types main category comprises the individual drive types that are av

• 1–4 is an individual RAID group.• Physical LDEVs is a component type under the RAID group 1–4. The number (1) indicates thenumber of LDEVs associate

The serial numbers of the XP and the P9000 disk arrays to which the LDEVs belong are alsomentioned in brackets beside the LDEV IDs. You can create a c

Searching for componentsYou can search for a particular physical LDEV in the component selection tree under Charts, if youare aware of the CU:LDEV nam

2. In the Physical LDEV text box, enter the name of the LDEV that you want to search in the CU:LDEVformat and click the Search icon.The component sele

The Chart Work Area displays the following default settings. They are applicable across the chartwindows until you select the other available options:

NOTE:• These selections work only on the active chart windows.• If the total number of data points from all the performance graphs exceeds 500 in a ch

An individual chart window can accommodate the performance graphs for up to 250 components.The 250 components that you select can belong to multiple c

Contents1 Introduction to P9000 Performance Advisor ... 15Overview ...

For more information on generating and installing Meter based Term license, see “Generating licensesat the HPAC license key website” on page 36 and “I

For more information on the tasks that you can perform in the Chart Work Area, see “Using chartcontrols and settings” on page 304.Viewing top 20 consu

Example (see Figure 27)MP blade utilization by top20 consumersLDEV:0:18 (Backend)A consumer's association with a processing type provides an unde

DescriptionProcessing typesIndicates all the processing involved in the continuous access replication activities.Open-initiatorIndicates all the proce

Example (see Figure 28)MP blade utilization by processing types3.12%Average MP blade utilization by a processing type (averagefrom the previous to the

Figure 29 Average Metric Utilization.Place the pointer over an area to view the following details:Example (see Figure 29)Aggregate Data53040,CL1B(Fibr

• “Using date and time filters” on page 314• “Using chart Styles” on page 314• “Printing charts” on page 310• “Changing the Chart Work Area layout” on

in the Chart Work Area, the save operation opens the equivalent number of new browser windows.You are prompted to open, save the PDF, or cancel the sa

3. Click Save to save the selected charts as favorite charts. You can provide a name for the favoritechart by clicking in the respective text box and

1. Click Load Fav Chart(s).A pop-up dialog appears displaying the favorites charts that you can view.2. Select one or more favorite charts from the li

Generating or saving reports for favorite chartsNOTE:• To create a report, it is mandatory that you provide the report name, array model, and reportty

So, 50TB usable capacity is monitored every day beginning December'10 for the next 39 days. Afterthe spike in usable capacity reduces to 75TB, P9

7. Click Generate to view the report immediately.Click Save to save and view the report later.P9000 Performance Advisor saves the report in its databa

NOTE:• When you change the layout, it applies to all the chart windows in the Chart Work Area.• Each column in the Chart Work Area can occupy only fou

Figure 30 Current MP blade assignment.Place the pointer over a particular data point for an LDEV to view the following details:Example (see Figure 30)

The forecast utilization can be monitored for a day, week, month, six months, or year based on thecurrent data points. For example, if you have data p

To forecast utilization for any of the above-mentioned components, select the component and itscorresponding metric, and select the duration from the

Time Line Chart StyleTime Line chart style (default) enables you to view the plotting of data points for a fixed time interval.In addition, when data

the data collection resumes, the data points and the average values are again plotted simultaneouslyfor the selected components.Time Line No Breaks Ch

Focused area in the Zoom preview panel1Sliders on the time scale in the Zoom preview panel2Zooming in on data points across performance graphsIn addit

To zoom out, click an empty area in the chart window.In the Zoom Preview panel, if you plot the chart for one day, the chart displays data with time s

In the Zoom Preview panel, if you plot the chart for more than one day, the chart displays data withdate stamp.Rearranging or moving chart windowsTo m

At the time of installing the Meter based Term license, if the usable capacity is within the Permanentlicensed capacity, the installed TB-Days remain

Removing chart windowsYou can remove all the charts currently displayed in the Chart Work Area by clicking Close Charts.All the active and passive cha

11 Using reportsThis chapter discusses the following topics:• “Generating, saving, or scheduling reports” on page 327• “Viewing a report” on page 335•

For P9000 disk arraysFor XP disk arraysDescriptionReport typesYes• The Findings sectionprovides a brief summary onthe status of the cache,LDEVs, and t

For P9000 disk arraysFor XP disk arraysDescriptionReport typesNoYesThe CHIP Utilization reportprovides data on the utilizationof various installed CHI

For P9000 disk arraysFor XP disk arraysDescriptionReport typesYesYesThe RAID Group Utilizationreport provides the top 32 RAIDgroups, which is derived

For P9000 disk arraysFor XP disk arraysDescriptionReport typesYesNoThe MP Blade Utilization reportprovides data on the averageutilization of each inst

IMPORTANT:• Reports on the following are available only if they are configured in the selected XP or P9000disk array. If not configured, they are not

Tasks you can perform on the Reports screen• “Generating, saving, or scheduling reports” on page 327• “Viewing a report” on page 335• “Scheduling repo

2. Select or enter the following details:• Name of the report in the Report Name box. The name should not be less than 2 charactersor exceed 80 charac

The following are the supported file formats:• HTML• PDF• RTF• CSV• DOCXThe HTML format is the default file type for any report that you generate or s

DescriptionColumn Headings - LicenseStatus sectionDisplays Never.This is because, the Permanent license which is for an unlimited durationis currently

3. Generate or save the report.• To generate a report, click Generate.P9000 Performance Advisor does not save the report in its database or display re

2. Choose the schedule and specify the duration of your choice:1. Collection Schedule: displays Daily, Weekly, and Monthly. By default, Weekly is sele

4. Click Save. P9000 Performance Advisor does the following:• Saves the schedule and also displays a record for the schedule in the Scheduled Reportss

displays the graphs for only those LDEVs that have the associated I/Os and those RAID groups onwhich the I/Os transactions have occurred.Consider the

2. Select the Metric Type as:• FontEndIO: Select this metric type to view a report of the most active or the least active LDEVs(or both) based on the

Viewing reportsIMPORTANT:• Report schedules with an asterisk (*) before the User Name indicate that they are generated bya schedule. Following is the

• “Deleting a report” on page 336• “Scheduling reports” on page 330• “Viewing a schedule” on page 337• “Logging report details and exceptions” on page

Editing report schedulesThe report schedules that you create appear in the Scheduled Reports section (Reports > View Reports).IMPORTANT:• The Sched

Click Cancel to retain the records.Understanding report recordsThis section describes what to infer from the data displayed in the Reports section (Re

generate a report daily at 19:00 hours. Hence, the schedule is active and a report is generatedonly the day after 9th September 2008, on 10th Septembe

After 1:00 PM on 12/11/2010 (Day 1 of grace period), the following fields on the License screen- License Status section display:DescriptionColumn Head

Using reports340

12 Using Performance Estimator for XP andP9000 disk arraysThis chapter discusses the performance estimation for XP and P9000 disk arrays.IntroductionP

Supported disk sizes for performance estimationThe following table lists the disk arrays and the disk size they support.Table 22 Disk types supported

The Performance Estimator screen corresponding to the selected XP disk array appears.The Array List displays the XP disk arrays that belong to the sel

• R.T. (ms) - Indicates the time taken in milliseconds for the XP disk array to respond for the se-lected configuration.• Number of disks - Indicates

2. Select the disk array model from the Array Type list. This list displays only the XP24000 or P9500disk array models that are currently monitored by

• MB/sec - Indicates the MB/s of data that the disk array can receive per second for the selectedconfiguration.• R.T. (ms) - Indicates the time taken

13 Troubleshooting issues for componentsassociated with applicationsThis chapter discusses troubleshooting issues for disk array components associated

When you perform the host agent installation, the real-time server is also automatically installed onthe host agent. For more information on the host

RealTime screenThe real-time performance data collection can be initiated on the RealTime screen, which appearswhen you click Troubleshooting > Rea

After 1:00 PM, the above fields are updated to display:• License Capacity: 50TB, +1000TB-Days• License Status: Installed• Term (Days): 10• End Date: 1

• “Stopping real-time performance data collection” on page 353Starting real-time performance data collectionPrerequisites• HP recommends that you dedi

IMPORTANT:The following are important notes on the real-time performance data collection:• You can configure only one instance of the real-time perfor

2. Click the plust (+) sign for an XP or a P9000 disk array serial number to view the componentcategories.The following image shows the MP selection f

5. Select the host agent name from the HostAgent box, if the XP or the P9000 disk array is connectedto more than one host agent. Every host agent can

2. Click the Stop Collections tab.The Stop Collections table displays the following details for the XP or the P9000 disk arrays, ora combination of th

If your application is associated with components that belong to the XP disk arrays, the response timeof an LDEV is determined by the performance of t

3. View the performance data of the disk array components.If you application is using XP disk array components, view the performance data of LDEVs, po

1. Click Troubleshooting > Host Based in the left pane.The list of the XP and the P9000 disk arrays monitored by P9000 Performance Advisor aredispl

6. Click New under Application and provide the application name. If you want to associate anexisting application with the selected host group or WWN,

Removing association between application and hostsTo remove the association between an application and the corresponding host and WWN:1. Click Trouble

valent to 3TB-Days is monitored on 11/30/2010, followed by 2TB-Days on 12/01/2010. Asa result, the 5TB-Days ends by 12/01/2010.Example scenario 5Consi

2. Select the appropriate component from the Component Type list. The search function is supportedonly for the following component types:• WWN• Host G

DescriptionViewing dataThe data is retrieved through all the hosts and the WWNs that are connected toyour application and the XP disk arrays.Applicati

2. Based on your requirement, select an application or choose the host group or the WWNassociated with an application:If your selection is at the appl

CLPR table3RAID Group table4Click an LDEV ID to view the associated port, CLPR, and the RAID group records highlighted inthe respective tables. By def

DescriptionDefault metricsResourcesThe average utilization of the MPblades that are associated with theLDEVs.NOTE:The MP blade average utilizationdata

DescriptionDefault metricsResourcesThe total MB/s of data transferredthrough the ports.MBPSThe average of individual MPutilization on each port.IMPORT

The details of the partner port that is associated with the same MP is also displayed. Thepartner port record appears in grey. When you plot the usage

The additional set of metrics that P9000 Performance Advisor supports for the LDEVs are as follows:Table 26 Additional metrics for LDEVsDescriptionAdd

The additional set of metrics that P9000 Performance Advisor supports for the RAID groups, Ports,and the CLPRs are as follows:Table 27 Additional metr

Viewing variations in the LDEV response timeYou can identify the LDEVs that are experiencing response time variations by analyzing their readand write

2. Click Generate a License Key in the Main Menu section.The Generate License Key screen appears.3. Enter the registration number in the Registration

The reference value used by P9000 Performance Advisor is displayed as a blue straight line in theLDEV average read and write response time graph.Plott

3. Select the check box for the metric, for which you want to view the performance graph of theselected components and click OK.P9000 Performance Advi

3. Select the XP array.4. Select the application.5. Identify ports associated with the LDEVs mapped to the application. In this case, this should brin

9. Based on the trend of the utilization values of the RG and its LDEVs, the reason for poor responsetime on LDEV2 could be attributed to the overload

Troubleshooting issues for components associated with applications374

14 Launching P9000 ApplicationPerformance Extender from P9000Performance AdvisorYou can launch the P9000 Application Performance Extender from P9000 P

2. On the HP StorageWorks P9000 Application Performance Extender Software screen, click LaunchHP StorageWorks P9000 Application Performance Extender S

15 Launching P9000 Performance Advisorfrom other Storage productsIntroductionYou can launch P9000 Performance Advisor from P9000 Tiered Storage Manage

You can launch P9000 Performance Advisor for the Migration Group volumes and the Storage Tiervolumes, and also in the Create Migration Task operation

7. Enter your user name, password, and click Login.By default, the Frontend IO Metrics chart window appears in the Chart Work Area displayingthe perfo

1. Click PA and DB Settings > License in the left pane.The License screen appears.2. Click Browse in the Add New License File section.3. Navigate t

4. Under the Parity Groups tab, select the RAID group records for which you want to view theirusage and I/O details.5. Click Analyze Performance.The P

Launching P9000 Performance Advisor from P9000 RemoteWeb ConsoleThe HP Remote Web Console enables you to manage and optimize the P9000 storage systems

2. Download the PA_Link_Launch_Configuration_Files.zip file to your managementstation or the system from where you accessed the P9000 Performance Advi

2. Do one of the following:• To update the IP address, open the appDefinition.xml file in Notepad and update theP9000 Performance Advisor management s

After each of the above-mentioned commands is executed, a confirmation on the number of filescopied is displayed in the command prompt window.IMPORTAN

5. Click Settings > Launch Application > Performance Advisor.If you have updated a different session name in the appDefinition.xml file, that se

5. Click Settings > Launch Application > Session Name (default: Performance Advisor).The data for the selected processor blade is displayed in t

The following image shows the processing distribution for MPB-1MA.To view the utilization data for MPB2, click MPB-2MC in the MP Blade Configuration g

2. Select Parity Groups in the list displayed for the P9000 disk array serial number.NOTE:The navigation path Parity Groups > Internal is not supp

4. Click Settings > Launch Application > Session Name (default: Performance Advisor).By default, the utilization data for the Overall RAID Group

5. Click Add License.CAUTION:After the licenses are installed, do not modify the date and time on the management stationwhere P9000 Performance Adviso

Viewing Logical Device dataConsider two RAID groups (preferably belonging to the same drive type) that have an imbalance,where one RAID group is less

Viewing host group dataFor a host group, P9000 Performance Advisor provides the I/O, MB, and response time metrics onthe associated port and individua

4. Click Settings > Launch Application > Session Name (default: Performance Advisor).The host group and the usage data of ports and LDEVs associ

The above image displays the LDEVs and ports associated with the host group san-ita1. The ChartWork Area in the above image displays the maximum, mini

For example, if <display_ID>V5-1</display_ID> is deleted in the appProfile.xml file,the RAID Groups application menu item does not appear

16 Support and other resourcesContacting HPHP technical supportFor world wide technical support information, see the HP support website:http://www.hp.

• P9000Info Release NotesTo find related documents, browse to the Manuals page of the HP Business Support Center web site:http://www.hp.com/support/ma

Typographic conventionsTable 29 Document conventionsElementConventionCross-reference links and email addressesBlue text: Table 29Website addressesBlue

Support and other resources398

A Appendix AStorage management logical partitions (SLPRs)A disk array can be shared with the multiple organizations and with multiple departments with

Scheduling configuration data collection ... 65Configuration collection sc

Click Refresh to view the latest data on the License screen.Related Topics• “Viewing aggregate License status” on page 40• “Viewing status for individ

enterprise B's disk array administrator can manage enterprise B's virtual disk array, but cannot manageenterprise A's disk array.Cache

B Sample reportsReport typesP9000 Performance Advisor supports report generation for the following categories:• “Array performance reports” on page 40

In addition, it includes a section called Findings at the beginning of the report.IMPORTANT:• The Findings section for an XP disk array provides a bri

Figure 38 Total I/O Rate.The total backend transfers may be compared to the total frontend I/Os and the difference is due tothe effects of the array c

Figure 39 Total I/O Rate by hour of day.The total backend transfers may be compared to the total frontend I/Os and the difference is due tothe effects

Figure 40 Total I/O Rate Detail.The sequential frontend I/Os are when data is read from or written to consecutive addresses. Therandom frontend I/Os a

Figure 41 Read/Write Ratio.For example, the data point of X on the graph indicates X% read activity and (100-X)% of writeactivity.NOTE:If there are no

Figure 42 Read/Write Ratio by hour of day.NOTE:If there are no data points available for the dates selected, blank chart is displayed. If all the data

Figure 43 Read/Write Detail.NOTE:If there are no data points available for the dates selected, blank chart is displayed. If all the datavalues are zer

Figure 44 Read/Write Detail.NOTE:If there are no data points available for the dates selected, blank chart is displayed. If all the datavalues are zer

3. Click View Details.The View License Detail section appears.The following image shows the license details for 53036, which belongs to the P9500 Disk

Figure 45 Read/Write Detail.NOTE:If there are no data points available for the dates selected, blank chart is displayed. If all the datavalues are zer

In the LDEV I/O Mapping table:• Hyphen (-) is displayed in the RAID Format column if that RAID format is not applicable for THPPool V-Vols.• Hyphen (-

Figure 46 Total Backend I/O Rate First Top 8 LDEVs.Total Backend I/O Rate First Top 8 RAID Groups reportThe Total Backend I/O Rate First Top 8 RAID Gr

Figure 47 Total Backend I/O Rate First Top 8 RAID Groups.Total Frontend I/O Rate First Top 8 LDEVs reportThe Total Frontend I/O Rate First Top 8 LDEVs

Figure 48 Total Frontend I/O Rate First Top 8 Ldevs.Total Frontend I/O Rate First Top 8 RAID Groups/Pools reportThe Total Frontend I/O Rate First Top

Figure 49 Total Frontend I/O Rate First Top 8 Array Groups/Pools.RAID Group Utilization ReportThe Raid Group Utilization report consists of four chart

Figure 50 RAID Group Utilization — First top 8 RAID groups.The report displays the utilization graphs for only those RAID groups that have managed the

Figure 51 Cache Utilization.Cache Write Pending reportThe Cache Write Pending report displays in a chart format, the amount of data in the cache waiti

Figure 53 Percentage read hits.Total Backend Transfer reportThe Total Backend Transfer report displays in a chart format, the total number of transfer

Figure 55 Total Backend Transfer by Hour of the Day.Cache Side File Utilization reportThe Cache Side File Utilization report displays in a chart forma

DescriptionScreen elementsDisplays the available license capacity.• If you select an XP disk array record, this columnalways displays the Installed Li

The ACP utilization reports allow you to view in a chart format, the average utilization of the variousinstalled ACP/DKA pairs either over the entire

Figure 58 ACP utilization over a 24-hour period.CHIP utilization reportIMPORTANT:The utilization metrics on the CHIP/CHA MPs are not displayed for the

Figure 59 CHIP Utilization.CHIP Utilization by Hour of the Day reportThe CHIP Utilization by Hour of the Day report displays in a chart format, the ut

Figure 60 CHIP Utilization by Hour of the Day.CHIP processor utilization reportThe CHIP processor utilization report displays in a chart format, the i

Figure 61 CHIP Processor Utilization.In this sample report, the individual MP utilization for the CHA 1E is displayed. Similarly a report isgenerated

Figure 62 XP Thin Provisioning pool occupancy.Snapshot pool occupancy reportThe Snapshot Pool Occupancy report provides the usage percentage of the ei

Figure 63 Snapshot pool occupancy.P9000 Continuous Access Journal group utilization reportThe Journal Pool Utilization report displays the utilization

Figure 64 P9000 Continuous Access Journal group utilization.LDEV Activity reportYou can view the maximum and least busiest LDEVs in an XP or a P9000 d

Figure 65 LDEV Activity report.IMPORTANT:• The threshold limits that you specify are independent of each other and applicable to only thecategory that

Figure 66 Export Database report (Human readable format).For more information on the different .csv files that are generated for an XP or a P9000 disk

DescriptionScreen elementsIf you select an XP or a P9000 disk array recordwhose usable capacity is monitored using only aPermanent license, this colum

MP blade utilization reportThe MP Blade Utilization report can be generated only for the P9000 disk arrays. It includes theaverage utilization data fo

MP blade utilization by the processing typesThe average MP blade utilization split up for the different processing types is displayed in a chart forth

For more information on processing types, see “Viewing MP blade utilization by processingtypes” on page 301.Sample reports432

C Appendix CSupportability matrixThe following matrix displays the supportability of ThP, snapshot, and continuous access journalvolumes on the XP arr

Appendix C434

D Appendix DArray mappingTo correctly map the ACP and CHIP pairs, see the following tables for the respective array:Table 31 on page 435 lists ACP and

Table 33 on page 436 lists the ACP and CHIP pairs for XP1024.Table 33 XP1024Slot IDPair IDSlot nameACP B = 0; H = 4ACP Pair 1B, HACP C = 1; J = 5ACP P

Table 35 on page 437 lists the ACP and CHIP pairs for the XP10000 and SVS200 type arrays.Table 35 XP10000 and SVS200Slot IDPair IDSlot nameACP MIX-A =

Slot IDPair IDSlot nameCHIP LU=20; XU=28,CHIP Pair 13LU, XUCHIP KU=22; WU=30CHIP Pair 14KU, WUCHIP LL=21; XL=29CHIP Pair 15LL, XLCHIP KL=23; WL=31CHIP

E Metric Category, metrics, and descriptionsMetrics and descriptions“Metric Category, metrics, and descriptions” on page 439 provides the metric categ

Viewing license historyThe View License History section displays the list of events generated on the View License screen foreach license key. The time

DescriptionMetricMetric categoryThe frontend I/Os for thesequential read requeststhat result in cache hits forall the RAID groups man-aged by the ACP

DescriptionMetricMetric categoryThe frontend I/Os forread requests in theCache Fast Write mode,for the ACP pair.CFW ReadsThe frontend I/Os forread req

DescriptionMetricMetric categoryEach External RAID groupvalue is the sum of all theLDEVs in all the Ext-RAIDgroups in the array.The chart displays onl

DescriptionMetricMetric categoryThe total random frontendI/Os rate on this LDEVduring the entire collec-tion interval.LDEV Total Random IO –FrontendTh

DescriptionMetricMetric categoryThe total random and se-quential frontend writeI/Os on this LDEV duringthe entire collection inter-val.Total IO Writes

DescriptionMetricMetric categoryThe total IO/s (reads andwrites) on that port overa given duration. Thisport in turn connects tothe host group through

DescriptionMetricMetric categoryThe frontend randomwrite I/Os on all theLDEVs created in a RAIDgroup.RAID Group RandomWrites – FrontendThe sum total o

DescriptionMetricMetric categoryThe sum total of sequen-tial frontend read I/Os onindividual virtual volumesdefined in this pool.Total Sequential Read

DescriptionMetricMetric categoryThe frontend I/Os for se-quential read requeststhat result in cache hits,for all the snapshots in asnapshot pool.Total

DescriptionMetricMetric categoryTotal number of I/Os ona pool compared againstthe used pages in a poolfor the last collectedmonitoring cycle.NOTE:This

Because this is a short term unplanned surge in storage requests, you can install TB-Days of Meterbased Term license to monitor the additional usable

DescriptionMetricMetric categoryTotal number of I/Os ona pool tier over the collec-ted monitoring cycles ina given duration.Tier IOPS per TimeSingle L

DescriptionMetricMetric categoryThe total throughput ofdata handled by a portover a given duration.This port in turn connectsto the host group through

DescriptionMetricMetric categoryThe frontend throughputin MB/s written sequen-tially to the RAID group.RAID Group SequentialWrite MB – FrontendEach AC

DescriptionMetricMetric categoryThe sum total of sequen-tial frontend I/Osthroughput in MB/s trans-fer rate of all the individu-al virtual volumes in

DescriptionMetricMetric categoryThe sum total of sequen-tial frontend write I/Osthroughput in MB/s trans-fer rate of all the virtualvolumes in this po

DescriptionMetricMetric categorySingle CLPR, data ac-cessed or the reads on asingle CLPR.CLPR Read HitsCache IO MetricApplicable only for XP diskarray

DescriptionMetricMetric categoryThe utilization of the MP#on the right ACP.• ACP Right Util MP0• ACP Right Util MP1• ACP Right Util MP2• ACP Right Uti

DescriptionMetricMetric categoryThe utilization of the RAIDgroup for sequentialwrites.RAID Group UtilizationSeq WritesThe utilization of the RAIDgroup

DescriptionMetricMetric categoryThe average MP bladeutilization by each of thefollowing processingtypes over an entire collec-tion interval:• Open Tar

DescriptionMetricMetric categoryThe total backend tracksdestaged for a specifiedRAID group.RAID Group Write Tracks– BackendThe Overall backendtransfer

The every day reduction in TB-Days is equal to the additional usable capacity because of which thegrace period has started.NOTE:Reduction or negative

DescriptionMetricMetric categoryThe average writeresponse time value for anLDEV is obtained fromdividing the accumulatedresponse time of all theI/Os b

Real-time metrics and descriptions“Real-time metrics and descriptions” on page 461 provides the real-time metrics and their descriptions.Table 39 Real

DefinitionsReal-time metricsIO size for readsTotal seq IOPSIO size for readsTotal seq read IOPSIO size for readsTotal seq write IOPSIO size for readsT

F Appendix FForecasting ThP pool performanceGuidelines for selecting data range to receive an optimal forecastTo validate the forecasted data, we need

• No variance: Select a data range that has at least some variance. If the selected data range hasconstant values for most of the range, the forecast

GlossaryArray ControlProcessor (ACP)ACP is used in the XP disk arrays prior to the XP24000 Disk Array. With theintroduction of the XP24000 Disk Array,

CHA Channel adapter. A device that provides the interface between the array andthe external host system. Occasionally, this term is used synonymously

In an XP disk array, the DKA is one of the two PCB types that contains the MPs.Disk Controller(DKC)The array enclosure that contains the channel adapt

OPEN-9). The number of resulting LDEVs depends on the selected emulationmode. The term LDEV is also known as term volume.LUN Logical unit number. A LU

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

When fractions of a TB of additional usable capacity is monitored and the installed TB-Days are notsufficient, P9000 Performance Advisor considers it

set of volumes with the same characteristics. For more information, see themanuals set provided for Tiered Storage Manager on the HP Manuals page.trap

IndexSymbolsArray View screen, 5310 busiest back-end RAID groups, 22910 busiest front-end LDEVs, 228, 87disk space requirements, 188displaying charts

collection, datadisplaying charts with different rates, 257collection, dataconfiguring, 53disk space requirements, 188command devices, configuring , 5

GroupsDisplaying authorized, 110groupsdisplaying properties, 113GUICommon tasks, 19Screen resolution, 17Sorting records, Selecting records, 19Hhelpobt

Report typesACP utilization, 321Array Performance, 321Cache utilization, 321CHIP utilization, 321Journal pool utilization, 321LDEV Activity, 321LDEV I

XP disk arraysReal-time monitoringHost agents, CMDs, 347SVP registrationOutband collection, 87HP StorageWorks P9000 Performance Advisor Software User

476

Violating licensed capacityAfter 60 days of grace period, P9000 Performance Advisor considers it as a capacity violation andstops configuration data c

NOTE:Once a Meter based Term license is removed, it cannot be added again. However, another Meterbased Term license can be installed.Consider the foll

Dashboard statistics ... 127Component levels in

2. In the View License Status section, select the P9000 disk array record for which you want toremove the Meter based Term license, and click Remove L

If the permanent license is removed, when the Meter based Term license has a positive count. It willenter the grace period and Meter based Term licens

Managing licenses for XP and P9000 disk arrays52

4 Collecting configuration and performancedataThis chapter discusses the following topics:• “Introduction” on page 53• “Configuring host information”

NOTE:• P9000 Performance Advisor also collects the real-time performance data from the XP and theP9000 disk arrays. For more information, see “Trouble

DescriptionScreen elementsDisplays the XP and the P9000 disk arrays that communicate with P9000Performance Advisor through the connected hosts. Each X

Tasks you can perform under the Host Information tab• “Requesting host agent updates” on page 56• “Removing host agent information from P9000 Performa

2. Click the Host Information tab. The details for the P9000 Performance Advisor host agents appearin the Host Information table:DescriptionScreen ele

• “Removing host agent information from P9000 Performance Advisor” on page 58• “Collecting configuration data” on page 62• “Scheduling configuration d

• One-time configuration data collection: Use this collection type if you want to collect the configur-ation data only once. Any new configuration cha

Determining disk space requirements ... 1889 Viewing XP and P900

DescriptionScreen elementsDisplays the device file for the command device.DeviceFileDisplays —, if the configuration collection is not yet initiated f

• Components 101-16483 represent the external RAID group information collected using the outbandmode.• The outband mode of configuration data collecti

One-time configuration data collectionPrerequisitesEnsure that the following prerequisites are met before you start the configuration data collection

5. Retain the Collection Type as Outband (default selection), if you want P9000 Performance Advisorto directly collect data from the XP or the P9000 d

6. Based on the disk array and mode of collection that you selected, following are the further courseof steps:If you selected an XP disk array and eit

• “Filtering event records” on page 158• “Configuring email and SNMP settings” on page 88• “Starting real-time performance data collection” on page 35

4. Select Collection Period as Recurring.Figure 4 on page 66 shows scheduling configuration data collection for 53036, which belongsto the P9500 Disk

6. Retain the Collection Type as Outband (default selection), if you want P9000 Performance Advisorto directly collect data from the XP or the P9000 d

7. Based on the disk array and mode of collection that you selected, following are the further courseof steps:If you selected an XP disk array and eit

• “Deleting configuration data collection schedules” on page 70• “Performance data” on page 71• “Providing user-friendly names for XP and P9000 disk a

Ext-RG(s) navigation path ... 291Drive types navigation path

ExamplesDescriptionCollectionScheduleIf you select Sunday as theday of the week, 2 as theweek of the month, and starttime as 8:00 PM, P9000Performance

Collecting performance dataAfter completing the configuration data collection for the XP and the P9000 disk arrays, schedule theperformance data colle

Initially, when performance data collection is not yet configured for the XP and the P9000 disk arrays,the following details are displayed in the Perf

Creating performance data collection schedulesIMPORTANT:• Only one schedule can be created on a selected command device. For a better performance, sel

3. Click Create. The Create button is enabled only when you select an XP or a P9000 disk arrayrecord under the Performance Collection tab. Based on wh

6. In the respective component type lists, select the check boxes for the components to collect theirperformance data. The following component type li

Figure 5 Performance Data Collection.Resource type list.17. Set the frequency in minutes for the DKC, RAID groups, and the port performance data colle

10. Click Save for the changes to take effect.Click Cancel, if you do not want to configure a schedule for the current selection.Click Refresh to view

• “Starting real-time performance data collection” on page 350Enabling performance collection schedules for automatic updatesYou can enable the perfor

While creating a performance data collection schedule:1. The RAID groups and ports are not selected from the respective component type lists.2. Instea

13 Troubleshooting issues for components associated with applications ... 347Troubleshooting using real-time performance data from XP and P9000 disk

• The newly discovered RAID groups and ports are not added to this performance schedule, as theAdd new RAID Groups, Ports to this schedule check box i

• “Stopping performance data collection” on page 81• “Deleting performance data collection schedule” on page 82• “Starting real-time performance data

P9000 Performance Advisor stops the collection from the next collection cycle. The current performancedata collection schedule stops only after the cu

2. Click the Performance Data tab and select the XP or the P9000 disk array record for which youwant to delete the associated performance data collect

3. If you type y at the prompt, you are further prompted to provide the minimum and maximum javaheap size values.The minimum heap size value must be m

The user must run the Resize Heap tool again and reset the value to a lower size.HP StorageWorks P9000 Performance Advisor Software User Guide 85

Collecting configuration and performance data86

5 Configuring common settings for P9000Performance AdvisorThis chapter discusses the following topics:• “Introduction” on page 87• “Configuring email

Settings > Custom Groups“Managing custom groups” on page 99Manage custom groups, where you create, view, modify, or deletethe custom groupsSettings

IMPORTANT:• The new email notification settings that you provide are automatically updated in the server-parameters.properties file. Hence, a manual r

Array performance report ... 401Total I/O Rate report .

3. Configure the following settings on the Email Settings screen:SMTP Server Settings• The IP address or host name of the SMTP server that will be use

• The name of the customer for whom the report is generated.• The name of the consultant who is associated with the customer.• The location of the XP

• “Configuring alarms and viewing alarms history” on page 137• “Configuration data” on page 58• “Generating, saving, or scheduling reports” on page 32

IMPORTANT:• For a P9000 disk array (such as the P9500) or for an XP24000 Disk Array, the IP address of themanagement station is also registered with t

4. Click Save Credentials.The SVP IP address, user name, and password are saved in P9000 Performance Advisor database.P9000 Performance Advisor also u

NOTE:This change affects only those messages that are created after you instigated the severity change. Allmessages that were logged before you set th

Related Topics• “Setting severity level” on page 94• “Setting the duration to predict the LDEV response time” on page 96Setting the duration to predic

1. Attempts to restart the HP StorageWorks P9000 Performance Advisor Tomcat service 'n' numberof times, where 'n' indicates the re

NOTE:• If you configure the SMTP parameters but do not specify a retry count, the HP StorageWorksP9000 Performance Advisor Monitor service does not at

1. Click PA and DB Settings > Email Settings in the left pane.The Email Settings screen appears.2. In the Performance Advisor Monitor Settings sect