IC87751: SNAPSHOT ABORTED WITH FBSS5007W DUE TO TIMEOUT ERROR BETWEEN FASTBACK SERVER AND DATA DEDUPE SERVICE.

APAR status

• Closed as program error.

Error description

• A snapshot may be aborted with FBSS5007W because the timeout
  error happens in the TCP/IP communication between FastBack
  Server and Data Dedupe service.
  >>>
  FBSS5007W Failed to complete procedure on sectors[****-****]
  <<
  
  The following errors can be found in FAST_BACK_SERVER0nn.sf.
  >>>
  [MM DD hh:mm:ss:sss]( 824)--->E18.LIB       : DoIO error:SN
  Error: 5 start address: 0x748f648, bufferSize: 0 bytesPAssed: 0,
  buffer: 0x748f682.
  [MM DD hh:mm:ss:sss]( b8c)--->E18.LIB       : DoIO error:SN
  Error: 5 start address: 0x409fe74, bufferSize: 16384
  bytesPAssed: 16384, buffer: 0x61f4000.
  [MM DD hh:mm:ss:sss]( 8b0)--->E18.LIB      :
  SNRepository::GetStatistics: proc_getdevinfo failed error: 5,0.
  [MM DD hh:mm:ss:sss]( 824)--->E18.LIB       :
  SNFile::InformSNOnLastIO: Failed to write back data. Object
  name: D:\JOB26\MBLK006a.DDPDAT.
  [MM DD hh:mm:ss:sss]( b8c)--->E18.LIB       : SNFile::Append:
  Error appending to file: D:\JOB25\MBLK0069.DDPDAT.
  [MM DD hh:mm:ss:sss]( 8b0)--->E16.GENERAL   :
  UpdateDedupStatistics: Failed to get SN statistcs. Can not
  calculated dedupe data size.
  <<<
  
  The following errors can be found in sn_server_trace.log
  >>>
  YYYY-MM-DD hh:mm:ss.sss addConnection 522 hostname Accepting
  connection **** from 127.0.0.1.
  YYYY-MM-DD hh:mm:ss.sss win32.c sendmsgall 272 hostname INFO The
  socket, **** aborted. (WSACONNABORTED)
  YYYY-MM-DD hh:mm:ss.sss win32.c sendmsgall 286 hostname ERROR
  Error WSASending all the bytes: total=***, bytes_sent=0
  <<<
  
  The problem may intermittently happen in case that Data Dedupe
  service doesn't respond to FastBack Server within 30 seconds.
  
  
  Tivoli Storage Manager Versions affected:
  FastBack Client 6.1 for all supported Windows platform
  
  Additional Keywords:
  SN service,  Data Deduplicated repository
  
  Additional L2 info:
  The problem could be avoided using the debug server that
  includes SN API with extended timeout value, such as 100 seconds
  for example.
  
  Initial Impact:
  Medium
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: All Fastback Users running TSM Fastback      *
  *                 Server with de-duplicated repository         *
  ****************************************************************
  * PROBLEM DESCRIPTION: See Error Description                   *
  ****************************************************************
  * RECOMMENDATION: Apply fixing level when available. This      *
  *                 problem is currently projected to be fixed   *
  *                 in levels 6.1.7.1. Note that this is         *
  *                 subject to change at the discretion of IBM.  *
  ****************************************************************
  *
  

Problem conclusion

• TSM Fastback has been fixed to correct this problem.
  

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 FASTBACK

• Fixed component ID

  5724FSBBK

Applicable component levels

• R55W PSN

     UP

• R61L PSY

     UP

• R61W PSY

     UP