IT28787: MEMORY LEAK IS SEEN IN SSCLASS.C (SSGETCLASSDIRS)

8.1.9.000-IBM-SPSRV-WindowsX64
8.1.9.000-IBM-SPSRV-Linuxx86_64
8.1.9.000-IBM-SPOC-WindowsX64
8.1.9.000-IBM-SPCMS-WindowsX64
8.1.9.000-IBM-SPSRV-Linuxs390x
8.1.9.000-IBM-SPCMS-WindowsI32
8.1.9.000-IBM-SPOC-Linuxx86_64
8.1.9.000-IBM-SPCMS-Linuxx86_64
8.1.9.000-IBM-SPSRV-Linuxppc64le
8.1.9.000-IBM-SPOC-Linuxs390x
8.1.9.000-IBM-SPOC-LinuxPPC64le
8.1.9.000-IBM-SPSRV-AIX
8.1.9.000-IBM-SPOC-AIX
IBM Spectrum Protect Server V8.1 Fix Pack 8 (V8.1.9) Downloads

APAR status

• Closed as program error.

Error description

• Problem description:
  The IBM Spectrum Protect server, with file type device classes
  may suffer a memory leak in ssclass.c class.
  
  Below example from "show alloc" run at regular intervals shows
  the
  memory usage of ssclass.c growing over time.
  This situation can finally lead to system crash due to running
  out of memory
  if the server is not being restarted before.
  
  ssclass.c line 3116: 1446662 entries for   1527375072 bytes
  (ssGetClassDirs)
  ssclass.c line 3116: 1466662 entries for   1527775072 bytes
  (ssGetClassDirs)
  
  ssclass.c line 3116: 3541792 entries for   36750692352 bytes
  (ssGetClassDirs)
  ssclass.c line 3116: 3551792 entries for   36890692352 bytes
  (ssGetClassDirs)
  
  
  IBM Spectrum Protect Versions Affected:
  Server  7.1.x and 8.1.x  versions on all supported platforms
  
  Initial Impact:
  Medium
  
  Additional Keywords:
  IBM Spectrum Protect, memory leak file devclass file device
  class mem memleak TS002068388
  

Local fix

• Local fix
  Restart the server to release the memory.
  

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * All IBM Spectrum Protect server users.                       *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See error description.                                       *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Apply fixing level when available. This problem is currently *
  * projected to be fixed in level 8.1.9.                        *
  ****************************************************************
  

Problem conclusion

• This problem was fixed.
  Affected platforms for reported release:  AIX, HP-UX, Linux,
  Solaris, and Windows.
  Platforms fixed:  AIX, Linux, and Windows.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  TSM SERVER

• Fixed component ID

  5698ISMSV

Applicable component levels