IT37202: BACKUPS OF VIRTUAL MACHINES CAN FAIL WITH ANS4174E AND RC=-1 AFTER UPGRADING TO 8.1.11.

APAR status

• Closed as program error.

Error description

• At version 8.1.11 of IBM Spectrum Protect for Virtual
  Environments - Data Protection for VMware, a new functionality
  was delivered to improve backup performance.
  This functionality takes advantage of abilities in vSphere 6.7
  and higher to identify allocated blocks.
  This problem does not impact vSphere 6.5 environments.
  
  
  For environments using vSphere 6.7 and higher, using version
  8.1.11 or later of IBM Spectrum Protect for Virtual Environments
  - Data Protection for VMware, backups can fail with the
  following messages seen in the data mover node error log:
  <timestamp> ANS4174E Full VM backup of VMware Virtual Machine
  'VM_name' failed with RC=-1 mode=Incremental Forever -
  Incremental, target node name='VM_DC', data mover node
  name='VM_DM'
  
  
  A trace of the datamover using in dsm.opt 'traceflags service
  vm' or on the dsmc command line '-traceflags=service,VM' will
  show:
  
  <timestamp> [007636] [10216] :
  ..\..\common\vm\vmOverlappedIO.cpp(4358):
  OverlappedIOMonitor::CheckBackupProgress(): backup of VM
  'VM_name' disk 'x' has not processed CTL data, '0' mblks
  remaining
  ...
  <timestamp> [007636] [6640] :
  ..\..\common\vm\vmbackvddk.cpp(15542): vmBackupVMCleanup():
  check err code - error code=-1
  
  
  | MDVREGR 8.1.10 -TIV_5725TVEVM |
  
  
  
  IBM Spectrum Protect Versions Affected:
  IBM Spectrum Protect for Virtual Environments component Data
  Protection for VMware versions 8.1.11 and on Windows and Linux
  
  
  Initial Impact: Medium
  
  
  Additional Keywords: Spectrum protect, Tivoli, Storage,
  TS005484619, TDP4VE, backup.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * Data Protection for VMware versions 8.1.11 and 8.1.12        *
  * running on all Microsoft Windows x64 and Linux x86           *
  * platforms.                                                   *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See ERROR DESCRIPTION                                        *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * This issue is projected to be fixed in the Data Protection   *
  * for VMware Data Mover version 8.1.13 on Windows x64 and      *
  * Linux x86 platforms.                                         *
  * Note 1: This is subject to change at the discretion of IBM.  *
  ****************************************************************
  

Problem conclusion

• The problem was a timing issue, which was resolved.
  

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

• dsmagent
  

Fix information

• Fixed component name

  TSM FOR VE DP V

• Fixed component ID

  5725TVEVM

Applicable component levels