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>
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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
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