Symptom
The database is able to take a full data backup successfully. However, there is an issue with the log backup. The log backup may fails with the following error message:
- -9209 Errortext: System error: history_remove_error
- -9209 redo_log_read_error
- 20000: Assertion of state read pages for save log are consistent failed!
- Error reading log at offset <Number>: expected IOSequence <Number> but found IOSequence <Number>
Read more...
Environment
SAP NetWeaver on SAP MaxDB database
Product
SAP NetWeaver 2004 ; SAP NetWeaver 7.0 ; SAP NetWeaver 7.1 ; SAP NetWeaver 7.2 ; SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP NetWeaver 7.5 ; SAP enhancement package 1 for SAP NetWeaver 7.0 ; SAP enhancement package 1 for SAP NetWeaver 7.3 ; SAP enhancement package 2 for SAP NetWeaver 7.0 ; SAP enhancement package 3 for SAP NetWeaver 7.0
Keywords
-9209,20000,history_remove_error,clear log,redo_log_read_error,Assertion of state read pages for save log are consistent failed,expected IOSequence,found IOSequence , KBA , BC-DB-SDB , MaxDB , BC-DB-LVC , liveCache , Problem
About this page
This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP for Me (Login required).Search for additional results
Visit SAP Support Portal's SAP Notes and KBA Search.
SAP Knowledge Base Article - Preview