OA67869: AFTER RESTORING A ZFS MOUNT FAILS WITH MSGBPXF135E RC8A, RSNEF186058

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• SMS-managed zFS is defined with 5823 cylinders.  Extended
  addressability is not set, EATTR=OPT is specified.
  The data set is allocated on a non-EAV volume with 87345 tracks.
  HARBA/HURBA are 4293181439 which is just under 4 GB limit.
  The zFS is unmounted then DFSMSdss physical dump captured:
  DUMP DS(INC(SUE.TEST.ZFS)) -
        PHYSINDD(DD2)   -
        OUTDD(OUT) ALLDATA(*)
  Then RESTORE is done on another system to a storage group with
  EAV volumes:
   RESTORE DATASET(INCLUDE(SUE.TEST.ZFS)) -
  
       REPLACEU CATALOG SPHERE -
  
       ODY(ZSSMSA) -
  
       STORCLAS(SCDEFLT            ) -
  
       INDDNAME(DUMP) -
  
       RENAMEU((SUE.TEST.ZFS -
  
                SUE.TEST.EAV.ZFS.NEW))
  
  The zFS is re-cataloged and LISTCAT shows it is now allocated in
  CMS(Cylinder Managed Space) causing the allocation to be 87570
  tracks which pushes the data set just over the 4GB limit.
  HARBA/HURBA are still 4293181440 which is incorrect.
  Mount fails with MSGBPXF135E RC8A, RSNEF186058
  

Local fix

• BYPASS/CIRCUMVENTION:
  force the data set to go to non-EAV or alter dataclass so
  EATTR=NO is specified.
  

Problem summary

• ****************************************************************
  * USERS AFFECTED: All users performing physical data set DUMP  *
  *                 and RESTORE of non-extended addressable      *
  *                 VSAM data sets that are just under 4 GB      *
  *                 in size.                                     *
  ****************************************************************
  * PROBLEM DESCRIPTION: Physical data set RESTORE was performed *
  *                      on a non-extended addressable SMS       *
  *                      managed zFS that was just under the     *
  *                      4GB maximum size.  After the RESTORE    *
  *                      to an EAV, the resulting target was     *
  *                      allocated in the extended-addressable   *
  *                      space and grew to just over the 4GB     *
  *                      limit. The zFS could not be mounted.    *
  ****************************************************************
  See Problem Description.
  

Problem conclusion

• DFSMSdss has been modified to correct the problem.
  
  KEYWORDS:
  EAV/K
  

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:

  UJ97367 UJ97368 UJ97370

Modules/Macros

• ADRSB100
  

Fix information

• Fixed component name

  DFSMSDSS, ISMF

• Fixed component ID

  5695DF175

Applicable component levels

• R250 PSY UJ97370

     UP25/06/17 P F506

• R310 PSY UJ97368

     UP25/06/17 P F506

• R320 PSY UJ97367

     UP25/06/17 P F506

Fix is available

• Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.