IJ19038: HA SYNC FAILS IF DYNAMIC LPAR ALWAYS START RESOURCE GROUPS = NO

PowerHA-7.2.3 SP2

APAR status

• Closed as program error.

Error description

• If "Dynamic LPAR Always Start Resource Groups" is set
  to "Yes", cluster sync succeeds. But if it is set to
  "No", cluster sync fails with these messages --
  ERROR: An error occurred while checking if Resource
         Group(s) rg1 is able to run on node node1. If
         this problem persists, please use standard
         problem reporting procedures.
  ...
  cldare: Failures detected during verification. Please
          correct the errors and retry this command.
  

Local fix

Problem summary

• Verify and sync failed with below errors when
  "Dynamic LPAR Always Start Resource Groups"
  cluster tunable is set to "NO".
  ERROR: An error occurred while checking if
  Resource Group(s) RG1 can run on node <node1>.
  If this problem persists, please use standard problem
  reporting procedures.
  
  ERROR: An error occurred while checking
   if Resource Group(s) RG1 can run on node <node2>.
  If this problem persists, please use standard problem
  reporting procedures.
  
  ERROR: At the time of verification, no node (out of 2)
  was able to acquire sufficient resources to run
  Resource Group(s) RG1.
  
  Problem2:
  While moving RG to another node ROHA Resource
  acquisition getting failed and following error observed in
  hacmp.out log file
  clhmccmd: ERROR: HMC r2r1-hmc returns HSCL909F error code when
  running command "chcodpool -p Power9_Pool -m
  r3r1m1-9080-M9S-SN781CFC8 -r proc -o add -q 4":
  [ROHALOG:29557080:(453.047)] HSCL909F The number of Mobile CoD
  processors to add exceeds the number of available Mobile CoD
  processors in the Power enterprise pool, which is 2
  

Problem conclusion

• Solution for problem1:
  Made code changes to handle invalid results in manage roha
  function.
  and processing verify and sync without any error.
  Solution for Problem2:
  Required changes done and while RG moved to another node
  ROHA Resource acquisition getting success.
  

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:

  IJ22391 IJ22392

Fix information

• Fixed component name

  POWERHA SYSMIR

• Fixed component ID

  5765H3910

Applicable component levels