RE: v$database_block_corruption not cleared

Hi Leng,

Thank you for the article.

The block was returned to the free list:

set lines 200 pages 10000
col segment_name format a30

SELECT e.owner, e.segment_type, e.segment_name, e.partition_name, c.file#
, greatest(e.block_id, c.block#) corr_start_block#
, least(e.block_id+e.blocks-1, c.block#+c.blocks-1) corr_end_block#
, least(e.block_id+e.blocks-1, c.block#+c.blocks-1)
- greatest(e.block_id, c.block#) + 1 blocks_corrupted
, null description

FROM dba_extents e, v$database_block_corruption c WHERE e.file_id = c.file#
AND e.block_id <= c.block# + c.blocks - 1 AND e.block_id + e.blocks - 1 >= c.block# UNION
SELECT s.owner, s.segment_type, s.segment_name, s.partition_name, c.file#
, header_block corr_start_block#
, header_block corr_end_block#
, 1 blocks_corrupted
, 'Segment Header' description

FROM dba_segments s, v$database_block_corruption c WHERE s.header_file = c.file#
AND s.header_block between c.block# and c.block# + c.blocks - 1 UNION
SELECT null owner, null segment_type, null segment_name, null partition_name, c.file#
, greatest(f.block_id, c.block#) corr_start_block#
, least(f.block_id+f.blocks-1, c.block#+c.blocks-1) corr_end_block#
, least(f.block_id+f.blocks-1, c.block#+c.blocks-1)
- greatest(f.block_id, c.block#) + 1 blocks_corrupted
, 'Free Block' description

FROM dba_free_space f, v$database_block_corruption c WHERE f.file_id = c.file#
AND f.block_id <= c.block# + c.blocks - 1 AND f.block_id + f.blocks - 1 >= c.block# ORDER BY file#, corr_start_block#;

OWNER                                                                                                                            SEGMENT_TYPE       SEGMENT_NAME
-------------------------------------------------------------------------------------------------------------------------------- ------------------ ------------------------------
PARTITION_NAME                                                                                                                        FILE# CORR_START_BLOCK# CORR_END_BLOCK# BLOCKS_CORRUPTED
-------------------------------------------------------------------------------------------------------------------------------- ---------- ----------------- --------------- ----------------

                                                                                                                                          7            694199          694199                1

                                                                                                                                          8            174445          174445                1

Best regards,

Nenad

From: Leng <lkaing_at_gmail.com>
Sent: Freitag, 10. Dezember 2021 11:24
To: Noveljic Nenad <nenad.noveljic_at_vontobel.com> Cc: ORACLE-L <oracle-l_at_freelists.org> Subject: Re: v$database_block_corruption not cleared

• E-Mail from outside Vontobel: Do not click on links or open attachments unless you know the content is safe. *** Hi Nenad,

This message is intended only for the individual named. It may contain confidential or privileged information. If you are not the named addressee you should in particular not disseminate, distribute, modify or copy this e-mail. Please notify the sender immediately by e-mail, if you have received this message by mistake and delete it from your system. Without prejudice to any contractual agreements between you and us which shall prevail in any case, we take it as your authorization to correspond with you by e-mail if you send us messages by e-mail. However, we reserve the right not to execute orders and instructions transmitted by e-mail at any time and without further explanation. E-mail transmission may not be secure or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete. Also processing of incoming e-mails cannot be guaranteed. All liability of Vontobel Holding Ltd. and any of its affiliates (hereinafter collectively referred to as "Vontobel Group") for any damages resulting from e-mail use is excluded. You are advised that urgent and time sensitive messages should not be sent by e-mail and if verification is required please request a printed version. Please note that all e-mail communications to and from the Vontobel Group are subject to electronic storage and review by Vontobel Group. Unless stated to the contrary and without prejudice to any contractual agreements between you and Vontobel Group which shall prevail in any case, e-mail-communication is for informational purposes only and is not intended as an offer or solicitation for the purchase or sale of any financial instrument or as an official confirmation of any transaction. The legal basis for the processing of your personal data is the legitimate interest to develop a commercial relationship with you, as well as your consent to forward you commercial communications. You can exercise, at any time and under the terms established under current regulation, your rights. If you prefer not to receive any further communications, please contact your client relationship manager if you are a client of Vontobel Group or notify the sender. Please note for an exact reference to the affected group entity the corporate e-mail signature. For further information about data privacy at Vontobel Group please consult www.vontobel.com <https://www.vontobel.com>.

--
http://www.freelists.org/webpage/oracle-l