IV67772: STANDBY HUB RESENDS EVENTS WHEN ROLE CHANGES

IBM Tivoli Monitoring 6.3.0 Fix Pack 5 (6.3.0-TIV-ITM-FP0005)

APAR status

• Closed as program error.

Error description

• standby HUB resends events when its role changes to primary HUB.
  
  RECREATE INSTRUCTIONS:
  1. Stop Acting HUB.
  2. Create an event on agent.
  3. Standby HUB receive the event before becoming acting HUB.
  4. The EIF event is sent with empty msg slot or insufficient
  slots.
  
  Approver Initials : BG
  

Local fix

• Do not connect agents directly to a HUB or MIRROR TEMS.
  You should connect agents to Remote TEMS.
  

Problem summary

• The monitoring server resends events when its role changes from
  mirror to primary monitoring server.
  
  
  An agent can connect to a mirror monitoring server and raise an
  event that is forwarded to an event server.  The mirror will
  then force the agent back to the primary monitoring server where
  the same event will be sent again to an event server.  Under the
  proper conditions, the mirror monitoring server can send an
  event to an event server and then become the primary monitoring
  server and resend the event to an event server.
  

Problem conclusion

• The code has been changed to not raise an event until the mirror
   monitoring server becomes the primary monitoring server.
  
  The fix for this APAR is contained in the following maintenance
  packages:
  
    | fix pack | 6.3.0-TIV-ITM-FP0005
  

Temporary fix

• Do not directly connect agents to the primary or mirror
  monitoring server.
  

Comments

APAR Information

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

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

  OA48100

Fix information

• Fixed component name

  TEMS

• Fixed component ID

  5724C04MS

Applicable component levels

• R630 PSY

     UP