IC77225: FMM6967E THE DIRECTORY /ABC/PRD HAS NESTED MOUNT POINTS THAT ARE STORED ON MORE THAN ONE VOLUME GROUP.

APAR status

• Closed as program error.

Error description

• Tivoli Storage FlashCopy Managercan mistake similarly named
  filesystems as nested filesystems when in fact the filesystem is
  not nested.
  For example: FlashCopy Manager for Custom Applications will
  determine that '/abc/prd' is the root directory of 'abd/prddr'.
  Initial Impact: Medium
  Tivoli Storage Manager Versions Affected:
  FlashCopy Manager for Custom Applications v2.2 on AIX, Solaris,
  and Linux
  FlashCopy Manager for DB2  v2.1 & 2.2
  FlashCopy Manager for Oracle  v2.1 & 2.2
  FlashCopy Manager for Oracle in SAP environments v2.1 & 2.2
  Additional Keywords: nested
  

Local fix

• Change the filesystem named /abc/prd to /abc/prod or /abc/prd_
  or anything else that differentiates 'prd' from 'prddb'.
  

Problem summary

• ****************************************************************
  * USERS AFFECTED: Users of one or more IBM Tivoli Storage      *
  *                 FlashCopy Manager 2.1.x and 2.2.x on AIX,    *
  *                 Solaris, and Linux, components listed below  *
  *                 that have similarly named file systems:      *
  *                 FlashCopy Manager for Custom Applications    *
  *                 FlashCopy Manager for DB2                    *
  *                 FlashCopy Manager for Oracle                 *
  *                 FlashCopy Manager for Oracle in SAP          *
  *                 environments                                 *
  ****************************************************************
  * PROBLEM DESCRIPTION: Tivoli Storage FlashCopy Manager can    *
  *                      mistake file systems as nested file     *
  *                      systems when the name of a files system *
  *                      is a substring of another file system   *
  *                      name.                                   *
  *                                                              *
  *                      For example: FlashCopy Manager for      *
  *                      Custom Applications will                *
  *                      determine that '/abc/prd' is the root   *
  *                      directory of 'abc/prddr'.               *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  Similarly named file systems detected as nested file systems
  when in fact the file system is not nested.
  

Problem conclusion

• IBM Tivoli Storage FlashCopy Manager is corrected to correctly
  determine nested mount points.
  
  Please keep in mind that nested mount points remain being
  unsupported with IBM Tivoli Storage FlashCopy Manager for
  the 2.1 and 2.2 releases. Nested mount points are only
  supported with the 3.1 and later releases.
  This fix only prevents the program from falsely diagnosing
  nested mount points.
  

Temporary fix

• Avoid using file system names that are substrings of
  another file system name.
  

Comments

APAR Information

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

  IC75847

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

Fix information

• Fixed component name

  FLSHCPY DB2 AGE

• Fixed component ID

  5608AC6DB

Applicable component levels

• R22L PSY

     UP

• R22S PSY

     UP