Contents | HP Process Resource Manager (PRM) specs

Contents
Preface	8
New in this edition	8
Supported platforms	8
Notational conventions	8
Associated documents	9
Providing feedback	9
Support and patch policies	10
Training	10
1 Overview	11
What is HP Process Resource Manager?	11
Introduction to PRM commands	12
Why use HP Process Resource Manager?	13
Standard HP-UX resource allocation	14
How PRM can improve on standard allocation	14
Balancing resource use between users	14
Prioritizing resource use between users	15
Prioritizing resource use for applications	15
Limiting resource consumption	16
Isolating resource use for applications and users	16
2 Understanding how PRM manages resources	17
How PRM controls resources	17
PRM groups	17
Resource allocation	18
What are processor sets?	18
How processor sets work?	18
What are shares?	19
How shares work	19
Hierarchical PRM groups	20
How PRM manages CPU resources	22
Example: PRM CPU resource management	23
CPU allocation and number of shares assigned	24
Capping CPU resource use	24
How PRM manages CPU resources for real-time processes	25
Hyper-Threading	25
Multiprocessors and PRM	25
How PRM manages real memory resources	26
How HP-UX manages memory	26
Available memory	27
How PRM controls memory usage	27
Reducing memory shares	28
Capping memory use	28
Implementation of shares and caps	28
Isolating a group’s private memory resources	29
How PRM manages shared memory	29
How PRM manages locked memory	29
Example: memory management	30
How resource allocations interact	31

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HP Process Resource Manager (PRM) manual Contents

Contents

HP Process Resource Manager User Guide Legal Notice Contents Using PRM with HP Systems Insight Manager SIM PRM configuration planningSetting up PRM Using PRM with HP System Management Homepage SMH Administering PRM Fine-tuning your PRM configuration Ovpm Command reference 101 Glossary 145 Index 148 Notational conventions PrefaceNew in this edition Supported platforms Providing feedback Associated documents Support and patch policies Training Overview What is HP Process Resource Manager? Introduction to PRM commands Why use HP Process Resource Manager? Resources managed by PRM Standard HP-UX resource allocationHow PRM can improve on standard allocation Balancing resource use between users Prioritizing resource use for applications Prioritizing resource use between users Isolating resource use for applications and users Limiting resource consumption Understanding how PRM manages resources How PRM controls resourcesPRM groups Processor sets example Resource allocationWhat are processor sets? How processor sets work? Converting shares to percentages Altered configurationWhat are shares? How shares work Parent, child, sibling, and leaf PRM groups Hierarchical PRM groups Hierarchical PRM groups-Development’s child groups Hierarchical PRM groups-top level How PRM manages CPU resources PRM CPU resource management Example PRM CPU resource management Capping CPU resource use CPU allocation and number of shares assigned How PRM manages CPU resources for real-time processes Hyper-ThreadingMultiprocessors and PRM How HP-UX manages memory How PRM manages real memory resources Available memory How PRM controls memory usageExample of available memory on a 1024-Mbyte system Reducing memory shares Capping memory useImplementation of shares and caps Isolating a group’s private memory resources How PRM manages shared memoryHow PRM manages locked memory Locked memory distribution Example memory management How PRM manages applications How resource allocations interact How PRM handles child processes Pattern matching for filenamesPRM’s group assignments at process start-up Opt/specialapps/bin/*GroupS Pattern matching for renamed application processes Precedence of PRM group assignments Phonehome MyfavoriteappPrmrun -g GroupA barnone Bar Understanding how PRM manages resources Budget model configurations PRM configuration planningUsing multiple configurations Selecting a configuration model Application priority model configurations MEM Quick analysis Identifying resource use Detailed analysis Using prmanalyze to quickly identify resource use Initial configuration based on prmanalyze’s CPU report #prmanalyze -s command -r mem -p -t summary -1filenameInitial configuration based on prmanalyze’s memory report 25% Installing PRM Setting PRM to start automatically at reboot Setting up PRMInstalling PRM Setting PRM to start automatically at reboot Using PRM with HP System Management Homepage SMH Quick start to using PRM’s SMH interface#/opt/prm/bin/prmsmhconfig -c #ps -efP Using PRM with HP Systems Insight Manager SIM Configuring user authorizationsWhat PRM tasks are available through SIM? Role PRM operator Quick start to using PRM’s SIM interfaceRole PRM administrator HP SIM toolboxes needed for PRM administrator role #ps -efP #prmconfig -i -fconfigfile Configuring and enabling PRM on the command lineQuick start to using PRM’s command-line interface #prmconfig -s -c -fconfigfile Configuring PRM PRM configuration file#prmconfig -e Configuration tips and requirements Reserved PRM groups Specifying PRM groups/controlling CPU resource use Development/Compilers/Fortran Group/CPU record syntax Hier Explained in the section Group/CPU record syntax Adding/modifying PRM groups and CPU allocations Removing groups/CPU allocations Capping CPU resource use Controlling memory use Memory record syntaxPrivate memory #!PRMMEM Megabytes Shared memory Explained in the section Memory record syntax #prmconfig -e MEMAdding/modifying private memory shares/caps Adding/modifying shared memory allocations Removing shared memory allocations Removing private memory shares Isolating private memory for a group Application record syntax Controlling applicationsDuplicate application records Missing applications are ignored See Pattern matching for filenames See Launching a Java program under PRM Adding/modifying an application’s group assignment # prmmove critapps -g #prmconfig -e Appl# prmconfig -k Removing an application’s group assignment # prmrun criticalapp Launching an application under PRM #prmrun -g sales CustomerOrder Launching a script under PRMLaunching an application in its assigned group Launching an application in a user-specified group Prmmove -p $$groupname Specifying PRM usersLaunching a Java program under PRM User record syntax Displaying netgroup expansions User Adding/modifying a user’s group assignment Removing a user’s group assignment Example Changing the initial group of a user#prmmove purchasing -u advisor6 Compartment record syntax Assigning secure compartments to PRM groups Adding/modifying a compartment’s group assignment Removing a compartment’s group assignmentExplained in the section Compartment record syntax Assigning Unix groups to PRM groups Unix group record syntaxAdding/modifying a Unix group’s PRM group assignment Explained in the section Unix group record syntax Removing a Unix group’s PRM group assignment Loading the PRM configuration Checking the configuration file Enabling resource managers Loading the PRM configuration with prmconfigDifferences in loads when a configuration is already loaded Prmconfig Updating the configuration Enabling resource managers with prmconfigEnabling specific resource management on the command line #prmconfig -i -fconfigfile -s -c Using prmanalyze to analyze your configuration Fine-tuning your PRM configuration #prmanalyze -r mem -E -1 -t hourly -s prmid myacct Example Locating system bottlenecksDaily weekly monthly #prmanalyze -r cpu -1 -t hourly -s prmid myacct #prmanalyze -s prmid -r cpu -p -t daily -x 0 filename Example Checking for patterns and configuration accuracyExample High-level views of usage #prmanalyze -t weekly -d 16 *.acct98 Jan.acct99 Feb.acct99 Using GlancePlus to analyze your configuration GlancePlus information on PRM Analyzing memory use Var/adm/syslog/syslog.log file #prmconfig -L MEM Stop#ps -ef grep prm2d #tail -f /var/adm/syslog/syslog.log grepPIDofcurrentprm2d Administering PRM Moving processes between PRM groupsDisplaying application filename matches #prmlist Displaying netgroup expansionsBin/b*Bapplications #prmlist -a #prmlist -u +prime Displaying accessible PRM groupsDisplaying state and configuration information #prmconfig Setting the interval with prmconfig Displaying application and configuration informationSetting the memory manager’s polling interval Setting the application manager’s polling interval Disabling PRM Resetting PRMDisabling PRM with prmconfig Resetting PRM with prmconfig Logging PRM application messages Controlling memory logging with prmconfigControlling application logging with prmconfig Logging PRM memory messages #prmmonitor 30 Displaying groups’ allocated and used resourcesDisplaying user information Displaying available memory to determine number of shares Displaying number of cores to determine number of shares Displaying past process informationDisplaying current process information Mwa restart scope Monitoring PRM with GlancePlus#ps -R Others Log global application=prm process dev=disk,lvm transaction PRMSLEEP=n Automating PRM administration with scriptsProtecting the PRM configuration from reboots PRMCONFIGFILE=/etc/opt/prm/conf/dayconf.prm PRMINTLAPPL=seconds Reconstructing a configuration fileInternal copies of configuration files Special case of interest Client/server connections Backing up PRM files Online cell operations Plock Command referencePrmagt Prmagt -plock -stop -intervalseconds Prmagt user options/parameters Prmanalyze -s command -r cpu -t summary /var/adm/pacct StopInterval seconds Disk mem cpu Auto uid gid command prmidFconfigfile Prmanalyze options/parameters Daily , weekly , monthly Summary conflict hourly daily weekly monthlyConflict Hourly Xexcludevaluekey Prmavail Prmavail -p -f CPU Disk MEMDresourcedensity Mminimumduration Prmconfig user options Prmconfig root user optionsConfigfile-i -k -s -c Configuration lock already held by %s ManagerIintervalmanager Mmode Prminitconfig -a -r -hPrmconfig -r to reset Lmanager logarg Group Prminitconfig options/parameters Prmloadconf Prmloadconf -fconfigfile Prmlist user optionsPrmloadconf root user options Interval Differences in output from prmmonitor and topPrmmonitor user options/parameters Resource Prmrecover Prmrecover resource Prmrecover user options/parametersPrmmove user options/parameters Prmrun user options/parameters Prmsmhconfig -c -u -hPrmsmhconfig options/parameters Prmrun -w Scomp2prm options/parameters Prm2scomp -pprmpath-sscomppath-iPrm2scomp options/parameters Scomp2prm -m -pprmpath Fbasepath Srpgen options/parameters HP-UX command/system call support HP-UX commands/system calls that support PRM groupsPRM options in HP-UX commands Structure of PRM’s Snmp data prmReadOnly Monitoring PRM through Snmp Using OpenView’s snmpwalk Accessing PRM’s Snmp data #/opt/OV/bin/xnmbrowser Using OpenView’s xnmbrowser#/opt/prm/bin/prmagt Start xnmbrowsesr Enter public in the field Community Name Navigate to the PRM’s data by following the hierarchy Monitoring PRM through Snmp Graphing resource usage Monitoring PRM through Snmp Mailserver PRM groups in xnmbrowser graphDatabases/inventory Databases/order Creating Secure Resource Partitions SERVICECMD0=/opt/prm/bin/prmrun -g mathdeptapplication Using PRM with Serviceguard EOF1 PRM and Virtual Machines Using PRM with HP Integrity Virtual Machines PRM resource managers disabled PRM error messagesPrmmonitor error messages PRM is not configured Prmconfig error messages -f option requires an argument Message Cannot display configuration. PRM is not configuredMessage PRM is disabled and not configured Message The -i and -k options cannot be used together Prmconfig command -M option requires a keyword argumentUnrecognized keyword argument for -M option Prmmove error messages User %s does not have permission to move process %d Could not find group %s in configuration fileRequires users to be specified by login names Requires that PRM be configured Prmrun error messages Application file %s is empty Could not launch application %s in group %sperrorUsers Path environment variable is empty Application file %s does not exist Prmlist error messages Please specify only one -s option Could not find group %s in the configuration fileCould not find user %s in the configuration file Could not find full path of application %s Prmrecover error messages Prmloadconf error messages Prmavail error messages Prmanalyze error messages Unable to read event temp file %s Unable to create temp file in /tmpUnable to open temp file %s File format with acctcom Prmagt error messages Alternate group Glossary Others group UID CPU Index Syntax, 111 prmrecover Index NIS Index 153 Index