Bad header found during backing up datafile

> In our development box, when RMAN is running, I see the following
> messages only in the alert.log quite often.
> And it seems to me always happens in the index tablespace.
> I ran dbverify and validate structure of the whole database
> with no corruption reported.
>
> Any comments?
>
>
>
>
>
> ***
> Corrupt block relative dba: 0x13c2c44c (file 79, block 181324)
> Bad header found during backing up datafile
> Data in bad block -
> type: 48 format: 1 rdba: 0x3939390a
> last change scn: 0x3537.31333031 seq: 0x34 flg: 0x38
> consistency value in tail: 0x791b0602
> check value in block header: 0x3431, block checksum disabled
> spare1: 0x4, spare2: 0x31, spare3: 0x330
> ***
> Reread of blocknum=181324, file=/oracle/DV2/sapdata3/btabi_15/btabi.data15. found valid data
>
>
> Roger Xu
> Database Administrator
> Dr Pepper Bottling Company of Texas
> (972)721-8337
>

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-- 
Author: Roger Xu
  INET: roger_xu_at_dp7uptx.com

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