IT17409: BACKUP HANGS WITH CLIENT ERRORS "ANS1017E / ANS0361I" AND SERVER ERROR "ANR9999D_1559062718 SMADDSESSIONTOAFFINITYCLUSTER"

IBM Spectrum Protect client 7.1.6.x interim fix downloads
IBM Spectrum Protect client 8.1.x.y interim fix downloads
IBM Spectrum Protectâ„¢ Client 8.1.2 Downloads and READMEs

APAR status

• Closed as fixed if next.

Error description

• A client backup may hang with following symptoms:
  
  - A lot of client sessions are opened at the Tivoli Storage
    Manager / IBM Spectrum Protect server side ( more than 100
    sessions ).
  - The following errors appears on the Tivoli Storage Manager /
    IBM Spectrum Protect server:
     ANR9999D_1559062718 SmAddSessionToAffinityCluster(smutil.-
      c:20251) Thread<xx>: Session NODEX(yy) exceeded maximum
      number of affinity slots
     ANR9999D Thread<1737223> issued message 9999 from:
     ANR9999D Thread<1737223>  0x0000000100025914 StdPutText
     ANR9999D Thread<1737223>  0x00000001000264f8 OutDiagToCons
     ANR9999D Thread<1737223>  0x000000010000a5f4 outDiagfExt
     ANR9999D Thread<1737223>  0x00000001002b1fc8
       SmAddSessionToAffinityCluster
     ANR9999D Thread<1737223>  0x000000010068d688 SmNodeSession
     ANR9999D Thread<1737223>  0x000000010057e3c4
       HandleNodeSession
     ANR9999D Thread<1737223>  0x000000010056ddac
       smExecuteSession
     ANR9999D Thread<1737223>  0x0000000100544934 psSessionThread
     ANR9999D Thread<1737223>  0x000000010000e1f0 StartThread
  - In the same second, the following errors are reported in the
    dsmerror.log file on the client:
     ANS0361I DIAG: ..\..\common\cu\cucommon.cpp(1509):
      cuGetAuthResultEx(): Error -50 receiving AuthResultEx
     ANS0361I DIAG: ..\..\common\winnt\psthread.cpp( 554):
      Destroy mutex failed; reason 6.
     ANS1017E Session rejected: TCP/IP connection failure.
     ANS0361I DIAG: ..\..\common\cu\cucommon.cpp(1509):
      cuGetAuthResultEx(): Error -50 receiving AuthResultEx
     ANS0361I DIAG: ..\..\common\winnt\psthread.cpp( 554):
      Destroy mutex failed; reason 6.
     ANS1017E Session rejected: TCP/IP connection failure.
  - That will most probably happen when saving large filesystems
  with millions of files.
  
  | MDVREGR 7.1.6-TIV_5698ISMCL |
  
   IBM Spectrum Protect Versions Affected: 7.1.6.0 and later
           versions on all platforms
  
  
  Initial Impact: Medium
  
  Additional Keywords:   TSM hung freeze IT16004
  

Local fix

• - Add this undocumented option into the dsm.opt file until
    correction is available:
      "TESTFLAG MAXTHREADSLIMIT"
  

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * Backup-archive client versions 7.1.6  running on all         *
  * platforms.                                                   *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * see ERROR DESCRIPTION                                        *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  

Problem conclusion

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:

Modules/Macros

• dsmc
  

Fix information

Applicable component levels

• R71W PSN

     UP

• R71S PSN

     UP

• R71M PSN

     UP

• R71L PSN

     UP

• R71H PSN

     UP

• R71A PSN

     UP