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2679087 - Intermittent Main Bufman: Incorrect page header read (IPHR) s_corruptdiskblkhdrexception errors - SAP IQ

Symptom

  • Queries intermittently failing with main Bufmain: Incorrect page header read errors (IPHR)

  • Exceptions Thrown from from slib/s_blockmap.cxx

  • Followed by Exception Thrown from slib/s_blockmap.cxx 

  • main Bufman: An error was detected on a database page. You may have a damaged index.

  • ErrID: 2100 (s_corruptdiskblkhdrexception); SQLCode: -1009039, SQLState: 'QSA39'

  • server is not crashing and no stacktrace is printed

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Environment

This has specifically been reported on Solaris multiplex platforms running

  • SAP IQ 16.0 SP11 PL18

  • SAP IQ 16.1 SP02 PL08

however it is not proven to be platform nor version specific

Product

SAP IQ 16.0 ; SAP IQ 16.1

Keywords

sybase, random, sporadic, CR814957, CR#814957, 814957, CR814978, CR#814978, 814978, abort, crash, corrupt, inconsistent, damage, failing, consistency, verify, checkdb, dbcc, table, mpx, HG, 'high group', sp_iqcheckdb , KBA , BC-SYB-IQ , Sybase IQ , Problem

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