PI78938: LOAD BALANCER'S SITE SELECTOR AND CONTENT BASED ROUTER COMPONENTS REACH ADVISOR FAILS

9.0.0.4: WebSphere Application Server traditional V9.0 Fix Pack 4
9.0.0.5: WebSphere Application Server traditional V9.0 Fix Pack 5
9.0.0.6: WebSphere Application Server traditional V9.0 Fix Pack 6
9.0.0.7: WebSphere Application Server traditional V9.0 Fix Pack 7
9.0.0.8: WebSphere Application Server traditional V9.0 Fix Pack 8
9.0.0.9: WebSphere Application Server traditional V9.0 Fix Pack 9
9.0.0.10: WebSphere Application Server traditional V9.0 Fix Pack 10
9.0.0.11: WebSphere Application Server traditional V9.0 Fix Pack 11
9.0.5.0: WebSphere Application Server traditional Version 9.0.5 Refresh Pack
9.0.5.1: WebSphere Application Server traditional Version 9.0.5 Fix Pack 1
9.0.5.2: WebSphere Application Server traditional Version 9.0.5 Fix Pack 2
9.0.5.3: WebSphere Application Server traditional Version 9.0.5 Fix Pack 3
9.0.5.4: WebSphere Application Server traditional Version 9.0.5 Fix Pack 4
9.0.5.5: WebSphere Application Server traditional Version 9.0.5 Fix Pack 5
WebSphere Application Server traditional 9.0.5.6
9.0.5.7: WebSphere Application Server traditional Version 9.0.5 Fix Pack 7
9.0.5.8: WebSphere Application Server traditional Version 9.0.5.8
9.0.5.9: WebSphere Application Server traditional Version 9.0.5.9
9.0.5.10: WebSphere Application Server traditional Version 9.0.5.10
9.0.5.11: WebSphere Application Server traditional Version 9.0.5.11

APAR status

• Closed as program error.

Error description

• Reach advisor may send requests using reverse byte order.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:  IBM WebSphere Application Server Edge Load  *
  *                  Balancer for IPv4 and IPv6 Content Based    *
  *                  Router and Site Selector users              *
  ****************************************************************
  * PROBLEM DESCRIPTION: Advisors may indicate constant          *
  *                      failures. Reach log will indicate all   *
  *                      servers are non-reachable               *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  The reach advisor may send ICMP ping requests in reverse byte
  order such that a server with an address 1.2.3.4 would be
  pinged using address 4.3.2.1.
  

Problem conclusion

• This fix affects the Content Based Router component installed
  under the Load Balancer for IPv4 and IPv6 in version 8.5 and
  installed under the Caching Proxy with version 9.0 and the
  Site Selector component.
  
  Fix provided in fix packs 8.5.5.12 and 9.0.0.4
  

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

  WS EDGE LB IPV4

• Fixed component ID

  5724H8812

Applicable component levels

• R850 PSY

     UP

• R900 PSY

     UP