IC69314: MEMORY LEAK WITH TIVOLI STORAGE MANAGER V6.2 SERVER

APAR status

• Closed as program error.

Error description

• Tivoli Storage Manager v6.2 server may run out of memory due to
  memory leak when a transaction is aborted and resent by the TSM
  client deduplication session (see client dedup APAR IC69038)
  
  The system memory is used up by the DB2 db2sysc process and
  causes the system to crash.
  
  db2diag.log reports:
  ---------------------
  date and time I26862008E494       LEVEL: Event
  PID     : 32343                TID  : 47710048610624PROC :
  db2sysc 0
  INSTANCE: tsminst1             NODE : 000          DB   : TSMDB1
  APPHDL  : 0-8                  APPID: *LOCAL.DB2.100518171533
  AUTHID  : TSMINST1
  EDUID   : 54                   EDUNAME: db2stmm (TSMDB1) 0
  FUNCTION: DB2 UDB, config/install, sqlfLogUpdateCfgParam,
  probe:20
  CHANGE  : STMM CFG DB TSMDB1: "Sortheap" From: "172" <automatic>
  To:
  "259" <automatic>
  
  date and time I26862503E559       LEVEL: Event
  PID     : 32343                TID  : 47710048610624PROC :
  db2sysc 0
  INSTANCE: tsminst1             NODE : 000          DB   : TSMDB1
  APPHDL  : 0-8                  APPID: *LOCAL.DB2.100518171533
  AUTHID  : TSMINST1
  EDUID   : 54                   EDUNAME: db2stmm (TSMDB1) 0
  FUNCTION: DB2 UDB, access plan manager, sqlra_resize_pckcache,
  probe:150
  CHANGE  : APM : Package Cache : FROM "101425807" : TO
  "152138711" :
  success
  IMPACT  : None
  DATA #1 : String, 29 bytes
  Package Cache Resized (bytes)
  
  data and time I26863063E500       LEVEL: Event
  PID     : 32343                TID  : 47710048610624PROC :
  db2sysc 0
  INSTANCE: tsminst1             NODE : 000          DB   : TSMDB1
  APPHDL  : 0-8                  APPID: *LOCAL.DB2.100518171533
  AUTHID  : TSMINST1
  EDUID   : 54                   EDUNAME: db2stmm (TSMDB1) 0
  FUNCTION: DB2 UDB, config/install, sqlfLogUpdateCfgParam,
  probe:20
  CHANGE  : STMM CFG DB TSMDB1: "Pckcachesz" From: "25528"
  <automatic>
  To: "38292"
  <automatic>
  
  Initial Impact: Low if no client side dedup
  
  Additional Keywords:
  zz62 memleak
  

Local fix

• See client APAR IC69038 for client side work around.  Apply
  client APAR IC69038 fix when available.
  Apply TSM server fix when it is made available.
  

Problem summary

• ****************************************************************
  * USERS AFFECTED: All Tivoli Storage Manager server users      *
  *                 who use client-side deduplication with       *
  *                 compression enabled on certain files.        *
  ****************************************************************
  * PROBLEM DESCRIPTION: See error description.                  *
  ****************************************************************
  * RECOMMENDATION: Apply fixing level when available. This      *
  *                 problem is currently projected to be fixed   *
  *                 in level 6.2.2.0. Note that this is          *
  *                 subject to change at the discretion of       *
  *                 IBM.                                         *
  ****************************************************************
  *
  

Problem conclusion

• This problem was fixed.
  Affected platforms:  AIX, HP-UX, Sun Solaris, 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

• R62A PSY

     UP

• R62H PSY

     UP

• R62L PSY

     UP

• R62S PSY

     UP

• R62W PSY

     UP