IBM Support

IT01018: RESTORE OF ZERO LENGTH COMPRESSED FILES DOES NOT RESTORE EXTENDED ATTRIBUTES, ACLS, OR ALTERNATE DATA STREAMS

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APAR status

  • Closed as program error.

Error description

  • Extended Attributes, ACLs, or Alternate
    Data Streams, not be restored for zero length files
    when TSM compression is used.
    
    The restore will not report any warnings or error messages.
    
    This applies to Windows, Linux, Solaris, AIX, and Mac OS X
    HPUX is not affected.
    
    For Mac, HFS+ compressed file data is stored as Extended
    Attributes. Beginning with Mac OS X 10.9, the files and
    applications provided by Apple are compressed files.  Restoring
    these files will remove their content and render them useless.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: Users of Widnows, Linux, AIX, and Mac OS X   *
    *                 clients.  Must be restoring a zero length    *
    *                 file with Extended Attributes, Alternate     *
    *                 Data Streams, or ACLs where the file was     *
    *                 backed up with TSM Compression.              *
    ****************************************************************
    * PROBLEM DESCRIPTION: See ERROR DESCRIPTION                   *
    ****************************************************************
    * RECOMMENDATION: Apply fixing level when available. This      *
    *                 enhancement is currently projected to be     *
    *                 available in levels 6.4.2 and 7.1.1.         *
    *                 Note that until these levels are available,  *
    *                 this information is subject to change at     *
    *                 the discretion of IBM.                       *
    ****************************************************************
    The problem was introduced by the fix for IC93914 which added
    a check for the file size before committing previously
    compressed data to disk.  If the size is zero, the expanded
    data is dicarded
    

Problem conclusion

  • The fix for IC93914 was converted to use testflag
    DISCARDZEROFILEDATA to discard expanded data found
    during the restore.
    

Temporary fix

  • Apply temporary fix level when available. This
    temporary fix is currently projected to be
    available in level 7.1.0.3.
    Note that until these level(s) are available,
    this information is subject to change at
    the discretion of IBM.
    Fixed in 6.3.2.3 (AIX, HP, Linux, Mac) and 6.3.2.4 (Windows)
    

Comments

APAR Information

  • APAR number

    IT01018

  • Reported component name

    TSM CLIENT

  • Reported component ID

    5698ISMCL

  • Reported release

    71M

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2014-04-16

  • Closed date

    2014-04-30

  • Last modified date

    2016-02-03

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

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

Modules/Macros

  • DSM      DSMAGENT
    

Fix information

  • Fixed component name

    TSM CLIENT

  • Fixed component ID

    5698ISMCL

Applicable component levels

  • R63A PSY

       UP

  • R63H PSY

       UP

  • R63L PSY

       UP

  • R63M PSY

       UP

  • R63W PSY

       UP

  • R64A PSY

       UP

  • R64H PSY

       UP

  • R64L PSY

       UP

  • R64M PSY

       UP

  • R64W PSY

       UP

  • R71A PSY

       UP

  • R71H PSY

       UP

  • R71L PSY

       UP

  • R71M PSY

       UP

  • R71W PSY

       UP



Document information

More support for: Tivoli Storage Manager

Software version: 71M

Reference #: IT01018

Modified date: 03 February 2016