IJ22414: CL_CCV_COMPARATOR FAILS WITH ERROR

PowerHA-7.2.4 SP1

APAR status

• Closed as program error.

Error description

• cl_ccv_comparator fails with following ERROR, when RG
  dependencies are configured in clusters being compared.
  UnboundLocalError: local variable 'defMsg' referenced before
  assignment
  
  This APAR also handles below problems as well.
  
  1. Logical Volume always getting created with default name and
     user given name is ignored either from
     "smitty cspoc" or "clmgr add lv" like given below:
      # clmgr add lv lvname VOLUME_GROUP=cspocvg1
  
  
  
  2. When a volume group is created on a single node and "clmgr
     query volume_group" command is executed
     from some other node of the cluster(where that volume group
     is not created) then it is listing that
     specific volume group. But if "clmgr query volume_group
     VG_NAME" command is executed then it is giving
     an error that "vg "VG_NAME" does not appear to exist". If the
     volume group is listed in "clmgr q volume_group"
     command then "clmgr q volume_group vg_name" command should
     show the attributes of that volume group.
  

Local fix

• NA
  

Problem summary

•     cl_ccv_comparator fails with following ERROR, when RG
  dependencies are configured in clusters being compared.
  UnboundLocalError: local variable 'defMsg' referenced before
  assignment
  
  This APAR also handles below problems as well.
  
  1. Logical Volume always getting created with default name and
     user given name is ignored either from
     "smitty cspoc" or "clmgr add lv" like given below:
  
  2. When a volume group is created on a single node and "clmgr
     query volume_group" command is executed
     from some other node of the cluster(where that volume group
     is not created) then it is listing that
     specific volume group. But if "clmgr query volume_group
     VG_NAME" command is executed then it is giving
     an error that "vg "VG_NAME" does not appear to exist". If the
     volume group is listed in "clmgr q volume_group"
     command then "clmgr q volume_group vg_name" command should
     show the attributes of that volume group.
  

Problem conclusion

• 1. Modified the code to read the user given name properly and
     using that as Logical Volume Name.
  2. After giving the fix, the user can fetch the result for
     "clmgr query volume_group vg_name" command from
     any of the cluster nodes whether the volume group is created
     on it or not.
  3. Made changes to fix the ERROR message seen while performing
     CCV comparision between clusters configured with RG
     dependencies.
  

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

  POWERHA SYSMIR

• Fixed component ID

  5765H3900

Applicable component levels