IT21947: FAILURE RETRIEVING CBT DATA FROM VCENTER MIGHT CAUSE DATAMOVER CRASH

Download Information: Version 8.1.4 IBM Spectrum Protectâ„¢ for Virtual Environments

APAR status

• Closed as program error.

Error description

• When there is a network issue or the vCenter / ESXi hosts are
  heavily loaded, a timeout can happen retrieving CBT data from
  the vCenter / ESXi hosts.
  This timeout can lead to a crash of the datamover.
  
  IBM Spectrum Protect Versions Affected:
  IBM Spectrum Protect for Virtual Environments - Dataprotection
  for VMware 6.4.x, 7.1.x and 8.1.x on all supported platforms.
  
  
  Customer/L2 Diagnostics:
  The dsmerror.log will show ANS9365E messages
  
  ANS9365E VMware vStorage API error for virtual machine 'VMNAME'.
    TSM function name : RetrievePropertiesEx
    TSM file          : ..\..\common\vm\vmvisdk.cpp 4799
    API return code   : -1
    API error message : Error -1 fault: SOAP-ENV:Client[no
  subcode]
  "End of file or no input: Operation interrupted or timed out
  (1200 s recv delay) (1200 s send delay)"
  Detail: [no detail]
  
  The stack trace will show that the IBM Spectrum Protect Client
  crashes while retrieving CBT information:
  
  ntdll!NtWaitForSingleObject+0xa
  KERNELBASE!WaitForSingleObjectEx+0x94
  dsmcsvc!DiagWriteDump+0x502
  dsmcsvc!svcCrashHandler+0x11c
  KERNELBASE!UnhandledExceptionFilter+0x1a2
  ntdll!RtlUserThreadStart$filt$0+0x3e
  ntdll!_C_specific_handler+0x96
  ntdll!RtlpExecuteHandlerForException+0xd
  ntdll!RtlDispatchException+0x197
  ntdll!KiUserExceptionDispatch+0x3a
  dsmcsvc!std::basic_string<char,std::char_traits<char>,std::alloc
  ator<char> >::assign+0x90
  dsmcsvc!DiskChangeBlockInfo::setSavedChangeId+0x39
  dsmcsvc!VmGetVmChangedIds+0x4bc
  dsmcsvc!VmSendData+0x63d
  dsmcsvc!vmVddkBackupVM+0x2ddf
  dsmcsvc!vmBackupVM+0x12c
  dsmcsvc!tlVMSend+0x142
  dsmcsvc!DccTxnConsumer::HandleQueue+0x7e0
  dsmcsvc!DccTxnConsumer::Run+0x6f6
  dsmcsvc!DccTxnConsumer::DoThread+0xc4
  
  Note: This APAR will be used to correct the crash condition. The
  timeout issue is outside IBM Spectrum Protect and needs to
  reviewed separately.
  
  Initial Impact: Medium
  
  Additional Keywords: TSM, Tivoli, Storage, Manager, TDP, TDP4VE
  

Local fix

• n/a
  

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * Data Protection for VMware versions 6.4, 7.1 and 8.1 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 8.1.4 on Windows x64 and Linux *
  * x86 platforms.                                               *
  * Note 1: This is subject to change at the discretion of IBM.  *
  ****************************************************************
  

Problem conclusion

• The network error during CBT query is now correctly handled.
  

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

• R81W PSY

     UP

• R81L PSY

     UP