APAR status
Closed as program error.
Error description
When running a VM backup of Hyper-V guests, and one of the Hyper-V guests migrates to another Hyper-V host during backup, the IBM Spectrum Protect client might crash. Customer/L2 Diagnostics: Extract the stack from dsmcrash.dmp. The stack will look like: dsmc!DoMultiVMSnap+0x18a2 dsmc!vmHypervDispatchCallback+0x1434 dsmc!DccBackupController::bacDispatcher+0x86 dsmc!DccBaPerformanceMonitor::Monitor+0x193 dsmc!startThread+0x81 ucrtbase!o__realloc_base+0x60 kernel32!BaseThreadInitThunk+0x22 ntdll!RtlUserThreadStart+0x34 IBM Spectrum Protect Versions Affected: IBM Spectrum Protect for Virtual Environments - Data Protection for Microsoft Hyper-V 7.1.8 IBM Spectrum Protect for Virtual Environments - Data Protection for Microsoft Hyper-V 8.1.x The issue is only seen on Microsoft Windows 2012R2 Hyper-V hosts Initial Impact: Medium Additional Keywords: TDP, TDP4VE, Hyperv, MS, TS001566148
Local fix
Apply one of the following workarounds: - Migrate the Hyper-V hosts to Microsoft Windows Server 2016 - avoid VM migrations while backups are running.
Problem summary
**************************************************************** * USERS AFFECTED: * * Spectrum Protect for Virtual Environments Data Protection * * for Microsoft Hyper-V versions 7.1.6, 7.1.8, 8.1.2, 8.1.4, * * 8.1.6 and 8.1.7 on Windows Server 2012 (R2) * **************************************************************** * PROBLEM DESCRIPTION: * * See ERROR DESCRIPTION * **************************************************************** * RECOMMENDATION: * * This issue is projected to be fixed in the Data Protection * * for Microsoft Hyper-V version 8.1.8 on all Microsoft Windows * * platforms * * Note that this is subject to change at the discretion of * * IBM. * ****************************************************************
Problem conclusion
The Data Protection for Microsoft Hyper-V has been changed to issue a message and continue processing other virtual machines when one of the vm has moved to another HyperV host.
Temporary fix
Comments
APAR Information
APAR number
IT27681
Reported component name
TSM VE DP MS HY
Reported component ID
5725TVEHV
Reported release
81W
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2019-01-22
Closed date
2019-03-22
Last modified date
2019-03-22
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Modules/Macros
DSM DSMC
Fix information
Fixed component name
TSM VE DP MS HY
Fixed component ID
5725TVEHV
Applicable component levels
[{"Line of Business":{"code":"LOB26","label":"Storage"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SS8TDQ","label":"Tivoli Storage Manager for Virtual Environments"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"81W"}]
Document Information
Modified date:
13 February 2021