IT47994: EMBEDDED GLOBAL CACHE DOES NOT USE THE REPLICATEREADSFROM LIST.

APAR status

• Closed as program error.

Error description

• If you configure the Embedded Global Cache introduced in
  13.0.3.0 to replicateReadsFrom a list of servers that is
  different to the configured list of servers to
  replicateWritesTo, you will find that only servers in the write
  list are written to and read from, and the read list is ignored.
  If you only had a replicateReadsFrom list, the server does not
  replicate the read at all.
  

Local fix

• If writing to and reading from the same set of servers is an
  acceptable behaviour in your architecture, setting the
  `replicateReadsFrom` and `replicateWritesTo` properties to the
  same value will allow reading from *and writing to* the
  specified servers.
  

Problem summary

• ****************************************************************
  
  USERS AFFECTED:
  Users using the new Embedded Global Cache introduced in ACE
  13.0.3.0, and attempting to configure servers with asymmetric
  replicateReadsFrom and replicateWritesTo lists.
  
  
  Platforms affected:
  AIX, LinuxZ64, LinuxX64, LinuxPPCLE64, WinX64
  
  ****************************************************************
  
  PROBLEM DESCRIPTION:
  An integration server configured to use the new Embedded Global
  Cache with an asymmetric replicateReadsFrom and
  replicateWritesTo list, would find that the cache is not
  replicating reads as expected.
  
  So values that exist in the
  Embedded Global Cache of servers in the replicateReadsFrom list
  are not being replicated to the server that is configured to
  asymmetrically read from them.
  

Problem conclusion

• A programming error has been corrected, the replicateReadsFrom
  list now works as expected.
  
  ---------------------------------------------------------------
  The fix is targeted for delivery in the following PTFs:
  
  Version   Maintenance Level
  v13.0      13.0.3.1
  
  The latest available maintenance can be obtained from:
  http://www-01.ibm.com/support/docview.wss?rs=849&uid=swg27006041
  
  
  If the maintenance level is not yet available,information on
  its planned availability can be found on:
  http://www-1.ibm.com/support/docview.wss?rs=849&uid=swg27006308
  ---------------------------------------------------------------
  

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

  APP CONNECT ENT

• Fixed component ID

  5724J0570

Applicable component levels