IT39034: HYPER-V - CTGGA0076 UNPROTECTED VM: <VM_NAME>. DESTINATION DISK CHAINS IS BROKEN

APAR status

• Closed as program error.

Error description

• Hyper-V VMs can fail backup with the message
  
  CTGGA0076 Unprotected VM: <vm_name>. Destination disk chains is
  broken.
  
  This can occur if VM is large and transfer rate to backup
  storage is slow or if there are leftover invalid checkpoints.
  
  
  | MDVREGR 10.1.4.0  5737SPLUS |
  
  IBM Spectrum Protect Plus Versions Affected:
  IBM Spectrum Protect Plus 10.1.4 and later
  
  
  
  Additional Keywords: SPP, SPPlus, TS006320217, HYPER-V, CHAINS
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * IBM Spectrum Protect Plus level 10.1.8                       *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See error description                                        *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Apply the fixing level when available. This problem is       *
  * currently projected to be fixed in IBM Spectrum Protect Plus *
  * level 10.1.9. Note that this is subject to change at the     *
  * discretion of IBM.                                           *
  ****************************************************************
  

Problem conclusion

• The fix for this issue is to increase the timeout for stalled
  Hyper-V backup progress from 30 minutes to 4 hours.
  

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

• Hypervis HyperV
  

Fix information

• Fixed component name

  SP PLUS

• Fixed component ID

  5737SPLUS

Applicable component levels