SAP Knowledge Base Article - Preview

2272121 - How-To: Analyzing Physical Corruptions with the SAP HANA Persistence Diagnosis Tool (hdbpersdiag)

Symptom

You suffer from corruption errors on page level and want to perform some analysis:

Wrong checksum: Calculated <calc_checksum>, stored <act_checksum>.; 
$lpno$=<log_pageno>; $ppno$=<phys_pageno>

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Environment

SAP HANA

Product

SAP HANA, platform edition all versions

Keywords

corrupted page; page dump; data file; M_VOLUME_FILES; UndoFilePage; VirtualFileLOBPage; CHECK_TABLE_CONSISTENCY; Merge; Compression optimization; AttributeStoreFile error; error reading file; failed with rc 6946; , KBA , HAN-DB , SAP HANA Database , How To

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