Fixes are available
APAR status
Closed as program error.
Error description
The dsmagent.exe process may crash when performing a high number (more than 254) of Microsoft SQL backups (vss method) via IBM Spectrum Protect for Databases ? Data Protection for Microsoft SQL Server. The following errors are reported in dsmerror.log: ANS5250E An unexpected error was encountered. TSM function name : vssCreateLocalBackup TSM function : No memory to allocate snapVolEntry_t structure TSM return code : 102 TSM file : ..\..\common\winnt\vssback.cpp (6609) ANS5250E An unexpected error was encountered. TSM function name : baCreateLocalBackup TSM function : VSS Create Local Backup Failed TSM return code : 102 TSM file : ..\..\common\ba\backsnap.cpp (2452) Nothing is reported in tdpsql.log Customer/L2 Diagnostics: The dump analysis of the dsmagent shows: STACK_TEXT: dsmagent!llGetItemAt+0x50 dsmagent!VssRequestor::getRequest+0xf0 dsmagent!VssRequestor::abortCSVBackup+0x113 dsmagent!VssRequestor::VssBackupComplete+0x138 dsmagent!VssRequestor::abortBackup+0x4d dsmagent!vssAbortBackup+0x253 dsmagent!tlPostProcessTxnSpec+0x912 dsmagent!DccTxnConsumer::HandleRcPrivFlush+0x494 dsmagent!DccTxnConsumer::HandleQueue+0x71c dsmagent!DccTxnConsumer::Run+0x6a2 dsmagent!DccTxnConsumer::DoThread+0xc4 The issue does not occur if performing a legacy backup IBM Spectrum Protect Versions Affected: IBM Spectrum Protect backup-archive client v7.1 and v8.1 on Windows platforms Initial Impact: medium Additional Keywords: ANS5250E dsmagent baCreateLocalBackup vssCreateLocalBackup vss crash sql backup tdpsqlc tsm IBM Spectrum
Local fix
Backup the Microsoft SQL DB with IBM Spectrum Protect for Databases ? Data Protection for Microsoft SQL Server in groups of 254 DBs (or less) or use the legacy method backup
Problem summary
**************************************************************** * USERS AFFECTED: * * Backup-archive client versions 7.1 and 8.1 running on all * * Microsoft Windows platforms. * **************************************************************** * PROBLEM DESCRIPTION: * * See ERROR DESCRIPTION * **************************************************************** * RECOMMENDATION: * * This issue is projected to be fixed in the Backup-Archive * * Client version 7.1.8 and 8.1.4 on all Microsoft Windows * * platforms * * Note that this is subject to change at the discretion of * * IBM. * ****************************************************************
Problem conclusion
The problem when attempt to back up more then 255 MS SQL databases did lead to the crash and the hang has been fixed so that it no longer occurs.
Temporary fix
Comments
APAR Information
APAR number
IT21045
Reported component name
TSM CLIENT
Reported component ID
5698ISMCL
Reported release
71W
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2017-06-15
Closed date
2017-08-02
Last modified date
2017-08-02
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Modules/Macros
dsmc
Fix information
Fixed component name
TSM CLIENT
Fixed component ID
5698ISMCL
Applicable component levels
R71W PSY
UP
R81W PSY
UP
[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSGSG7","label":"Tivoli Storage Manager"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"71W","Line of Business":{"code":"LOB26","label":"Storage"}}]
Document Information
Modified date:
08 January 2022