IBM Platform LSF 9.1.1 Fix 419497 Readme File

Abstract

P101876. This fix is a performance enhancement to reduce time spent on job preemption condition evaluation. Applying this fix shortens the time spent on the POSTPROC phase of the scheduling cycle when there are some running preemptable jobs.

Description

Readme documentation for IBM Platform LSF 9.1.1 Fix 419497 including installation-related instructions, prerequisites and co-requisites, and list of fixes.

This fix addresses the following issue:

This fix modifies the preemption scheduling plugin, schmod_preemption.so, to reduce the time spent on job preemption condition evaluation. This fix reduces the time spent on the POSTPROC phase of the scheduling cycle when there are some running preemptable jobs.

Readme file for: IBM® Platform LSF

Product/Component Release: 9.1.1

Update Name: Fix 419497

Fix ID: LSF-9.1.1-build419497

Publication date: 30 August 2016

Last modified date: 30 August 2016

Contents:

1. List of fixes

2. Download location

3. Products or components affected

4. System requirements

5. Installation and configuration

6. List of files

7. Product notifications

8. Copyright and trademark information

1. List of fixes

P101876

2. Download Location

Download Fix 419497 from the following location: http://www.ibm.com/eserver/support/fixes/

3. Products or components affected

Affected components include: LSF/mbschd, LSF/schmod_preemption.so

4. System requirements

Linux2.6-glibc2.3-x86_64

5. Installation and configuration

5.1 Before installation

(LSF_TOP=Full path to the top-level installation directory of LSF.)

1)    Log on to the LSF master host as root

2)    Set your environment:

- For csh or tcsh: % source LSF_TOP/conf/cshrc.lsf

- For sh, ksh, or bash: $ . LSF_TOP/conf/profile.lsf

5.2 Installation steps

1)    Go to the patch install directory: cd $LSF_ENVDIR/../9.1/install/

2)    Copy the patch file to the install directory $LSF_ENVDIR/../9.1/install/

3)    Run patchinstall: ./patchinstall <patch>

5.3 After installation

1)    Log on to the LSF master host as root

2)    Run badmin mbdrestart

5.4 Uninstallation

To roll back a patch:

1)    Log on to the LSF master host as root

2)    Run ./patchinstall -r <patch>

3)    Run badmin mbdrestart

6. List of files

mbschd
schmod_preemption.so

7. Product notifications

To receive information about product solution and patch updates automatically, subscribe to product notifications on the My notifications page (www.ibm.com/support/mynotifications) on the IBM Support website (support.ibm.com). You can edit your subscription settings to choose the types of information you want to get notification about, for example, security bulletins, fixes, troubleshooting, and product enhancements or documentation changes.

8. Copyright and trademark information

© Copyright IBM Corporation 2016

U.S. Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.

IBM®, the IBM logo and ibm.com® are trademarks of International Business Machines Corp., registered in many jurisdictions worldwide. Other product and service names might be trademarks of IBM or other companies. A current list of IBM trademarks is available on the Web at "Copyright and trademark information" at www.ibm.com/legal/copytrade.shtml.