Administering Platform LSF - SAS

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$Intel(R) Math Kernel Library for Linux* OS User's Guide$

Understanding External Executables Understanding External Executables About esub and eexec Validate, modify, or reject a job Modifying execution environments Passing data LSF provides the ability to validate, modify, or reject job submissions, modify execution environments, and pass data from the submission host directly to the execution host through the use of the esub and eexec executables. Both are site-specific and user written and must be located in LSF_SERVERDIR. To validate, modify, or reject a job, an esub needs to be written. See “Using esub” on page 381 To modify the execution environment on the execution host, an eexec needs to be written. See “Working with eexec” on page 388 To pass data directly to the execution host, an esub and eexec need to be written. See “Using esub and eexec to pass data to execution environments” on page 388 Interactive remote execution Interactive remote execution also runs esub and eexec if they are found in LSF_SERVERDIR. For example, lsrun invokes esub, and RES runs eexec before starting the task. esub is invoked at the time of the ls_connect(3) call, and RES invokes eexec each time a remote task is executed. RES runs eexec only at task startup time. DCE credentials and AFS tokens esub and eexec are also used for processing DCE credentials and AFS tokens. See the following documents on the Platform Web site for more information: ◆ “Installing LSF on AFS” ◆ “Installing LSF on DCE/DFS” 380 Administering Platform LSF
Chapter 30 External Job Submission and Execution Controls Using esub About esub An esub, short for external submission, is a user-written executable (binary or script) that can be used to validate, modify, or reject jobs. The esub is put into LSF_SERVERDIR (defined in lsf.conf) where LSF checks for its existence when a job is submitted, restarted, and modified. If LSF finds an esub, it is run by LSF. Whether the job is submitted, modified, or rejected depends on the logic built into the esub. Any messages that need to be provided to the user should be directed to the standard error (stderr) stream and not the standard output (stdout) stream. In this section ◆ “Environment variables to bridge esub and LSF” on page 381 ◆ “General esub logic” on page 384 ◆ “Rejecting jobs” on page 384 ◆ “Validating job submission parameters” on page 384 ◆ “Modifying job submission parameters” on page 385 ◆ “The bmod and brestart commands and esub” on page 386 ◆ “How LSF supports multiple esub” on page 386 ◆ “How master esub invokes application-specific esubs” on page 386 ◆ “Configuring master esub and your application-specific esub” on page 387 Environment variables to bridge esub and LSF LSB_SUB_PARM_FILE LSF provides the following environment variables in the esub execution environment: This variable points to a temporary file containing the job parameters that esub reads when the job is submitted. The submission parameters are a set of namevalue pairs on separate lines in the format "option_name=value". The following option names are supported: Option Description LSB_SUB_ADDITIONAL Arbitrary string format parameter containing the value of the -a option to bsub The value of -a is passed to esub, but it does not directly affect the other bsub parameters or behavior. LSB_SUB_ADDITIONAL cannot be changed in or added to LSB_SUB_MODIFY_FILE.. LSB_SUB_BEGIN_TIME Begin time, in seconds since 00:00:00 GMT, Jan. 1, 1970 LSB_SUB_CHKPNT_DIR Checkpoint directory LSB_SUB_CLUSTER Submission cluster name (MultiCluster only) LSB_SUB_COMMAND_LINE Job command LSB_SUB_CHKPNT_PERIOD Checkpoint period LSB_SUB_DEPEND_COND Dependency condition LSB_SUB_ERR_FILE Standard error file name Administering Platform LSF 381
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Administering Platform LSF® Versio
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Contents Welcome . . . . . . . . .
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Contents Part II: Working with Reso
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Contents 17 Reserving Resources . .
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Contents 30 External Job Submission
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Contents 40 Non-Shared File Systems
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Welcome Contents ◆ “About This
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Welcome Command notation Notation M
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Welcome Platform LSF License Schedu
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Welcome Resource requirement specif
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Welcome Run-time enhancements Threa
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Welcome Environment variables ◆
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Welcome New files added to installa
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Technical Support Contact Platform
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C H A P T E R 1 About Platform LSF
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Chapter 1 About Platform LSF Job sl
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Chapter 1 About Platform LSF Master
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Chapter 1 About Platform LSF Master
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Chapter 1 About Platform LSF Host t
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Chapter 1 About Platform LSF Extern
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Chapter 1 About Platform LSF Job Li
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C H A P T E R 2 How the System Work
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Chapter 2 How the System Works Queu
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Chapter 2 How the System Works Disp
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Job Execution Environment Shared us
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Fault Tolerance Dynamic master host
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P A R T I Managing Your Cluster Con
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Viewing Cluster Information Viewing
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Default Directory Structures Defaul
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Default Directory Structures Window
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Controlling Daemons Controlling Dae
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Controlling mbatchd Controlling mba
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Reconfiguring Your Cluster 3 Run ba
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Host States Host States Host states
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Viewing Host Information Viewing Ho
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Viewing Host Information type Viewi
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Controlling Hosts Controlling Hosts
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Adding a Host Adding a Host Use lsf
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Removing a Host Removing a Host CAU
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Adding and Removing Hosts Dynamical
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Adding and Removing Hosts Dynamical
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Adding Host Types and Host Models t
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Registering Service Ports NIS or NI
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Host Naming Host Naming Network add
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Hosts with Multiple Addresses Examp
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Host Groups Host Groups Where to us
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Tuning CPU Factors Tuning CPU Facto
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Handling Host-level Job Exceptions
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Handling Host-level Job Exceptions
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Queue States Queue States Queue sta
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Viewing Queue Information SCHEDULIN
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Controlling Queues Controlling Queu
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Controlling Queues Dispatch Windows
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Managing Queues Managing Queues Res
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Handling Job Exceptions Configuring
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Job States Job States The bjobs com
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Job States Viewing wait status and
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Viewing Job Information Viewing exc
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Switching Jobs from One Queue to An
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Suspending and Resuming Jobs Suspen
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Sending a Signal to a Job Sending a
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Using Job Groups Creating a job gro
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Using Job Groups % bhist -l 105 You
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Viewing User and User Group Informa
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About User Groups About User Groups
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LSF User Groups LSF User Groups You
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LSF User Groups 134 Administering P
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C H A P T E R 8 Understanding Resou
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Chapter 8 Understanding Resources T
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Chapter 8 Understanding Resources S
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How LSF Uses Resources Viewing job
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Chapter 8 Understanding Resources S
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Chapter 8 Understanding Resources V
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Chapter 8 Understanding Resources A
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C H A P T E R 9 Adding Resources Co
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Adding New Resources to Your Cluste
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Chapter 9 Adding Resources Configur
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Static Shared Resource Reservation
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Chapter 9 Adding Resources Configur
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Chapter 9 Adding Resources ELIM res
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Modifying a Built-In Load Index Con
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P A R T III Scheduling Policies Con
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Specifying Time Values Specifying T
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Specifying Time Expressions Specify
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Automatic Time-based Configuration
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Deadline Constraint Scheduling Dead
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Exclusive Scheduling 176 Administer
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About Preemptive Scheduling About P
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How Preemptive Scheduling Works Job
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Configuring Preemptive Scheduling Q
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Configuring Preemptive Scheduling 1
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About Resource Requirements About R
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Queue-Level Resource Requirements V
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About Resource Requirement Strings
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Selection String Selection String S
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Order String Order String Syntax De
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Usage String Example rusage[mem=50:
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Span String Span String Syntax A sp
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Same String 200 Administering Platf
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About Fairshare Scheduling About Fa
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User Share Assignments Examples ◆
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Dynamic User Priority Default dynam
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Host Partition Fairshare Host Parti
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Queue-Level User-based Fairshare Qu
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Cross-queue Fairshare bqueues -l al
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Cross-queue Fairshare 3 In all the
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Hierarchical Fairshare Viewing hier
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Queue-based Fairshare Queue-based F
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Configuring Slot Allocation per Que
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Viewing Queue-based Fairshare Alloc
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Typical Slot Allocation Scenarios T
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Typical Slot Allocation Scenarios W
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Typical Slot Allocation Scenarios T
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Using Historical and Committed Run
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Using Historical and Committed Run
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Users Affected by Multiple Fairshar
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Ways to Configure Fairshare Ways to
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Ways to Configure Fairshare Example
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Using Goal-Oriented SLA Scheduling
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Using Goal-Oriented SLA Scheduling
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Configuring Service Classes for SLA
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Viewing Information about SLAs and
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Viewing Information about SLAs and
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Understanding Service Class Behavio
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C H A P T E R 16 Resource Allocatio
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Chapter 16 Resource Allocation Limi
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C H A P T E R 17 Reserving Resource
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Chapter 17 Reserving Resources Usin
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Chapter 17 Reserving Resources Usin
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Chapter 17 Reserving Resources View
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C H A P T E R 18 Managing Software
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Host Locked Licenses Chapter 18 Man
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Network Floating Licenses Chapter 1
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Chapter 18 Managing Software Licens
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C H A P T E R 19 Dispatch and Run W
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Run Windows Configuring run windows
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C H A P T E R 20 Job Dependencies C
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Chapter 20 Job Dependencies ◆ In
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Chapter 20 Job Dependencies externa
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C H A P T E R 21 Job Priorities Con
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Chapter 21 Job Priorities Specifyin
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C H A P T E R 22 Job Requeue and Jo
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Chapter 22 Job Requeue and Job Reru
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C H A P T E R 23 Job Checkpoint, Re
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Approaches to Checkpointing Kernel-
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Chapter 23 Job Checkpoint, Restart,
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Checkpointing a Job Prerequisites C
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Making Jobs Checkpointable Manually
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Enabling Periodic Checkpointing At
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Restarting Checkpointed Jobs Requir
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Chapter 23 Job Checkpoint, Restart,
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C H A P T E R 24 Chunk Job Dispatch
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Chapter 24 Chunk Job Dispatch Confi
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Submitting and Controlling Chunk Jo
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Page 343: P A R T V Controlling Job Execution
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Page 372 and 373: About Job Starters About Job Starte
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Page 378 and 379: Controlling Execution Environment U
Page 382 and 383: Using esub Option LSB_SUB_EXCEPTION
Page 384 and 385: Using esub General esub logic Rejec
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Page 388 and 389: Working with eexec Working with eex
Page 390 and 391: Default Job Control Actions Default
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Page 419 and 420: Interactive Tasks Chapter 33 Runnin
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How LSF Runs Parallel Jobs How LSF
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Submitting Parallel Jobs Submitting
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Submitting MPI Jobs Submitting MPI
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Starting Parallel Tasks with LSF Ut
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Specifying a Minimum and Maximum Nu
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Specifying a Mandatory First Execut
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Controlling Processor Allocation Ac
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Running Parallel Processes on Homog
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Using LSF Make to Run Parallel Jobs
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Limiting the Number of Processors A
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Reserving Processors Reserving Proc
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Reserving Memory for Pending Parall
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Allowing Jobs to Use Reserved Job S
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Allowing Jobs to Use Reserved Job S
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Parallel Fairshare Parallel Fairsha
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Optimized Preemption of Parallel Jo
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About Advance Reservation About Adv
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Configuring Advance Reservation ◆
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Using Advance Reservation Adding a
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Using Advance Reservation Removing
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Using Advance Reservation 6:10 0 10
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Using Advance Reservation Modifying
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Using Advance Reservation 474 Admin
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C H A P T E R 36 Event Generation C
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Chapter 36 Event Generation Events
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C H A P T E R 37 Tuning the Cluster
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Adjusting LIM Parameters RUNWINDOW
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Chapter 37 Tuning the Cluster Compa
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Changing Default LIM Behavior to Im
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Chapter 37 Tuning the Cluster Whene
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Tuning mbatchd on UNIX Operating sy
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C H A P T E R 38 Authentication Con
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Chapter 38 Authentication eauth -c
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Chapter 38 Authentication How LSF d
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Chapter 38 Authentication Correctin
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Chapter 38 Authentication About Dae
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User Account Mapping Chapter 38 Aut
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C H A P T E R 39 Job Email, and Job
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Chapter 39 Job Email, and Job File
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C H A P T E R 40 Non-Shared File Sy
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Chapter 40 Non-Shared File Systems
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Chapter 40 Non-Shared File Systems
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C H A P T E R 41 Error and Event Lo
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Chapter 41 Error and Event Logging
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System Event Log CAUTION Chapter 41
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Chapter 41 Error and Event Logging
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C H A P T E R 42 Troubleshooting an
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Common LSF Problems LIM dies quietl
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Chapter 42 Troubleshooting and Erro
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Setting Daemon Timing Levels Chapte
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P A R T IX LSF Utilities Contents
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About lstcsh About lstcsh The lstcs
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Local and Remote Modes Local and Re
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Differences from Other Shells Diffe
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Starting lstcsh Starting lstcsh Sta
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Host Redirection Host Redirection E
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Built-in Commands Built-in Commands
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Writing Shell Scripts in lstcsh Wri
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Index job migration 321 job requeue
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Index D daemons authd 496 authentic
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Index file spooling. See command fi
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Index Internet addresses, matching
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Index host locked 279 interactive j
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Index pre-42 UNIX directory structu
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Index disabling 317 job-level 317 q
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Index associating with hosts 155 Bo
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Index status closed in bhosts 70 jo
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Index 580 Administering Platform LS
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