DBVerify Reports Blocks as 'influx - most likely media corrupt' (Doc ID 468995.1)

Last updated on JUNE 05, 2013

Applies to:

Oracle Database - Enterprise Edition - Version 7.3.4.0 and later
Information in this document applies to any platform.
***Checked for relevance on 05-Jun-2013***

Symptoms

When using DBVerify (DBV) to check for data block corruptions in an open database, dbv intermittently reports blocks as being 'influx - most likely media corrupt', e.g.:

Page 38832 is influx - most likely media corrupt
***
Corrupt block relative dba: 0x058097b0 (file 22, block 38832)
Fractured block found during dbv:
Data in bad block -
type: 6 format: 2 rdba: 0x058097b0
last change scn: 0x0000.52fb2cae seq: 0x1 flg: 0x04
consistency value in tail: 0x490c0601
check value in block header: 0xd19f, computed block checksum: 0xbc49
spare1: 0x0, spare2: 0x0, spare3: 0x0
***

Changes

DBVerify reports the corruptions only when used against an open (in use) database.

Cause

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