Readme file for IBM® Spectrum LSF Session Scheduler 10.1 Fix 602150

Abstract

P105208. This fix allows the ssched (LSF Session Scheduler) command when using the –M option to set a hard task memory limit for v1 cgroups successfully, according to the LSF_CREATE_SS_TASK_MEMLIMIT=y environment variable setting while submitting jobs, even without LSB_RESOURCE_ENFORCE=memory configured in the lsf.conf file.

Description

Readme documentation for IBM Spectrum LSF Session Scheduler 10.1 Fix 602150 including installation-related instructions, prerequisites and co-requisites, and list of fixes.

This fix addresses the following issue:

Without config LSB_RESOURCE_ENFORCE=memory in lsf.conf file, will fail to set a hard memory limit by specify the LSF Session Scheduler command, ssched with the –M option, even set the   LSF_CREATE_SS_TASK_MEMLIMIT environment variable to y while submitting jobs.

 

Readme file for: IBM® Spectrum LSF Session Scheduler

Product or component release: 10.1

Update name: Fix 602150

Fix ID: SS-10.1-build602150

Publication date: 22 August 2024

 

Contents

1. List of fixes

2. Download location

3. Product 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

P105208.

 

2. Download locations

Download Fix 602150 from the following location: https://www.ibm.com/support/fixcentral

 

3. Product or components affected

Affected product or components include:

LSF/res

LSF/sbatchd

 

 4. System requirements

linux2.6-glibc2.3-x86_64

linux3.10-glibc2.17-x86_64

 

5. Installation and configuration

Before you install

LSF_TOP is the full path to the top-level installation directory of IBM Spectrum LSF.

1.      Before you apply this fix, ensure that you install LSF 10.1 Fix Pack 12 or later. You can download Fix Pack 12 from https://www.ibm.com/support/fixcentral. Search for build600488. Contact IBM LSF Support if you have any questions or problems with installing Fix Pack 12.

2.      Starting from LSF 10.1 Fix Pack 13, the default values of the following three GPU parameters are changed to:
LSF_GPU_AUTOCONFIG=Y
LSB_GPU_NEW_SYNTAX=extend
LSF_GPU_RESOURCE_IGNORE=Y

If you have installed Fix Pack 13, no further action is needed to set these parameters. If you have installed LSF Fix Pack 12 or earlier, consider explicitly configuring the same values to these three parameters:
LSF_GPU_AUTOCONFIG=N
LSB_GPU_NEW_SYNTAX=N
LSF_GPU_RESOURCE_IGNORE=N

3.      If you are using the lsfd.service file from Fix Pack 14 or the Fix  build601849, make sure you install the Fix build602067. You can download the LSF fix from https://www.ibm.com/support/fixcentral. Search for build602067. Contact IBM LSF Support if you have any questions or problems with installing build602067.     

 

Installation steps

1.      Log on to the LSF management host as the LSF cluster primary administrator and set your environment:
-For csh or tcsh:
% source LSF_TOP/conf/cshrc.lsf

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

2.      Run badmin hclose all

3.    Run badmin qinact all

4.      Log on to the LSF management host as the root user and set your environment:
-For csh or tcsh:
% source LSF_TOP/conf/cshrc.lsf

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

5.      Go to the install directory: cd $LSF_ENVDIR/../10.1/install/

6.      Copy the fix file to the install directory: $LSF_ENVDIR/../10.1/install/

7.      Run patchinstall: ./patchinstall <fix>

 

After you install

1.      Log on to the LSF management host as the LSF cluster primary administrator and set your environment:
-For csh or tcsh:
% source LSF_TOP/conf/cshrc.lsf

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

2.    Run badmin hrestart all

3.    Run lsadmin resrestart all

4.      Run badmin hopen all

5.    Run badmin qact all

 

Uninstallation

1.      Log on to the LSF management host as the LSF cluster primary administrator and set your environment:
-For csh or tcsh
: % source LSF_TOP/conf/cshrc.lsf
-For sh, ksh, or bash: $ . LSF_TOP/conf/profile.lsf

2.      Run badmin hclose all

3.    Run badmin qinact all

4.      Log on to the LSF management host as the root user and set your environment:

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

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

5.      Go to the install directory: cd $LSF_ENVDIR/../10.1/install/

6.      Run ./patchinstall -r <fix>

7.      Log on to the LSF management host as the LSF cluster primary administrator and set your environment:
-For csh or tcsh
: % source LSF_TOP/conf/cshrc.lsf
-For sh, ksh, or bash: $ . LSF_TOP/conf/profile.lsf

8.    Run badmin hrestart all

9.    Run lsadmin resrestart all

10.      Run badmin hopen all

11.    Run badmin qact all

 

 

6. List of files

The following components in all Linux packages:

LSF/res

LSF/sbatchd

 

7. Product notifications

To receive information about product solution and fix 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 2024

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.