IT09054: VSS SNAPSHOTS NOT DELETED AFTER HYPER-V INCREMENTAL BACKUP

IBM Spectrum Protectâ„¢ Client 7.1.3 Downloads and READMEs

APAR status

• Closed as program error.

Error description

• The VSS snapshots created during an Incremental Forever backup
  IFFULL or IFINCR of Microsoft Hyper-V guests are not
  immediately deleted after the backup completion.
  The backup itself is successful and unaffected.
  
  Tivoli Storage Manager Versions Affected:
  Tivoli Storage Manager for Virtual Environments - Data
  Protection for Hyper-V version 7.1.1 and later on Windows 2012
  and above
  
  Initial Impact: Low
  
  Additional Keywords: zztsm tdp4ve tsm4ve hyperv vss snpashot
  diskshadow release checkpoint
  

Local fix

• The VSS snapshots can be deleted manually using the Microsoft
  'diskshadow' utility using the command 'delete shadows <shadow
  name>' or 'delete shadows all' if all still present shadows can
  be deleted.
  

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * Tivoli Storage Manager for Virtual Environments component    *
  * Data Protection for Microsoft Hyper-V versions 7.1.1 and     *
  * 7.1.2                                                        *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See ERROR DESCRIPTION                                        *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * This issue is projected to be fixed in the Tivoli Storage    *
  * Manager Client on Windows 7.1.3                              *
  * Note 1: The Tivoli Storage Manager (TSM) Client is a part of *
  * the Data Protection for Microsoft Hyper-V.                   *
  *              In Data Protection for Microsoft Hyper-V        *
  * environments, the TSM Client is also known as the data       *
  * mover.                                                       *
  * Note 2: This is subject to change at the discretion of IBM.  *
  * .                                                            *
  ****************************************************************
  *
  

Problem conclusion

• TSM client has been modified to release unused references to the
  snapshot that prevents the removal of the VSS snapshot.
  

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:

Modules/Macros

• DSM      DSMC     DSMCSVC
  

Fix information

• Fixed component name

  TSM CLIENT

• Fixed component ID

  5698ISMCL

Applicable component levels

• R71W PSY

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