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27.08.2007 13:05  
OlegON
Last Revision Date: 14-AUG-2007 Status: PUBLISHED
Note: For additional ORA-600 related information please read Note 146580.1

PURPOSE:
This article discusses the internal error "ORA-600 [4194]", what
it means and possible actions. The information here is only applicable
to the versions listed and is provided only for guidance.

ERROR:
ORA-600 [4194] [a] [b]

VERSIONS:
versions 6.0 to 10.1

DESCRIPTION:

A mismatch has been detected between Redo records and rollback (Undo)
records.

We are validating the Undo record number relating to the change being
applied against the maximum undo record number recorded in the undo block.

This error is reported when the validation fails.

ARGUMENTS:
Arg [a] Maximum Undo record number in Undo block
Arg [b] Undo record number from Redo block

FUNCTIONALITY:
Kernel Transaction Undo called from Cache layer

IMPACT:
PROCESS FAILURE
POSSIBLE ROLLBACK SEGMENT CORRUPTION

SUGGESTIONS:

This error may indicate a rollback segment corruption.

This may require a recovery from a database backup depending on
the situation.

If the Known Issues section below does not help in terms of identifying
a solution, please submit the trace files and alert.log to Oracle
Support Services for further analysis.

Known Issues:

Bug# 3210520 See Note 3210520.8
OERI[kjccqmg:esm] / OERI[4194] / corruption possible in RAC
Fixed: 9.2.0.5, 10.1.0.2

Bug# 792610 + See Note 792610.8
Rollback segment corruption OERI:4194 can occur if block checking detects a corrupt block
Fixed: 8.0.6.0, 8.1.6.0


 
 
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