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Reading corrupted Datafiles offline

Reading corrupted Datafiles offline

2005-09-09       - By Lou Fangxin

Reply:     1     2     3     4     5     6     7     8     9     10     >>  

MYDUL also support the chained row/IOT, and limited support of LOBs,
currently only compressed table and IOT not supported.

On 9/10/05, Parker, Matthew <matthewp@(protected)> wrote:
>
> It's great to hear that he finished his upgrades to the tool. I had last
> talked to him in February during one of our major corruption fest's.
>
> -- --Original Message-- --
> From: oracle-l-bounce@(protected) [mailto:oracle-l-bounce@(protected)]
> On Behalf Of Lex de Haan
> Sent: Friday, September 09, 2005 8:35 AM
> To: Parker, Matthew; jost@(protected); ORACLE-L@(protected)
> Subject: RE: Reading corrupted Datafiles offline
>
>
> oh yes, Bernard did upgrade and improve DUL in may was, up to 10g.
> chained rows are easy to follow, reading row flags, by the way...
>
> kind regards,
>
> Lex.
>
> -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---
> Steve Adams Seminar http://www.naturaljoin.nl/events/seminars.html
> -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---
> -- --Original Message-- --
> From: oracle-l-bounce@(protected) [mailto:oracle-l-bounce@(protected)]
> On
> Behalf Of Parker, Matthew
> Sent: Tuesday, September 06, 2005 08:42
> To: jost@(protected); ORACLE-L@(protected)
> Subject: RE: Reading corrupted Datafiles offline
>
> As Jim mentioned there is the DUL (Data Unloader ) tool that Oracle
> consulting
> can use for you. The normal stated accuracy is 99% depending on your
> system. It
> never understood how to follow chained rows. You are lucky to be on 8.1.6as
> they never updated the tool to 9i/10g according to the developer, ( a
> project
> sometime in the future for him).
>
> Give us so more details about what exactly happened and what you have of
> your
> database, then we may be able to help you.
>
> -- --Original Message-- --
> From: oracle-l-bounce@(protected) [mailto:oracle-l-bounce@(protected)]
> On
> Behalf Of jost@(protected)
> Sent: Monday, September 05, 2005 9:00 AM
> To: ORACLE-L@(protected)
> Subject: Reading corrupted Datafiles offline
>
>
>
>
>
>
> Hi list,
>
> assuming the following scenario:
>
> No working Backup because of several reasons.
> Not all datafiles of the database
> Corrupt blocks in the datafiles we have
>
> So, as far as i know, there no way to restore the Database in any
> conventional
> way.
>
> My question is, is there any oficiall or unoficiall way to read the data
> from
> the datafiles direct?
>
> System ist Linux and Oracle 8.1.6(!)
>
> We need not the total whole off the data but some important tables from
> one
> special tablespace.
> I am aware of bad luck with the location of the corrupted blocks, but i
> will
> give them a try ;-)
>
> If you need more Information feel free to ask.
>
> Thx in advance
>
> J�rg
>
> --
> http://www.freelists.org/webpage/oracle-l
> --
> http://www.freelists.org/webpage/oracle-l
> --
> http://www.freelists.org/webpage/oracle-l
>



--
Welcome, Fangxin.Lou from China
Home: http://www.anysql.net/en/
Mydul: http://www.anysql.net/en/mydul.html

MYDUL also support the chained row/IOT, and limited support of LOBs, currently
only compressed table and IOT not supported.<br><br>
<div><span class="gmail_quote">On 9/10/05, <b class="gmail_sendername">Parker,
Matthew</b> &lt;<a href="mailto:matthewp@(protected)">matthewp@(protected)</a>&gt
; wrote:</span>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0
.8ex; BORDER-LEFT: #ccc 1px solid">It's great to hear that he finished his
upgrades to the tool. I had last talked to him in February during one of our
major corruption fest's.
<br><br>-- --Original Message-- --<br>From: <a href="mailto:oracle-l-bounce
@(protected)">oracle-l-bounce@(protected)</a> [mailto:<a href="mailto:oracle
-l-bounce@(protected)">oracle-l-bounce@(protected)</a>] On Behalf Of Lex de
Haan
<br>Sent: Friday, September 09, 2005 8:35 AM<br>To: Parker, Matthew; <a href=
"mailto:jost@(protected)">jost@(protected)</a>; <a href="mailto:ORACLE-L
@(protected)">ORACLE-L@(protected)</a><br>Subject: RE: Reading corrupted
Datafiles offline
<br><br><br>oh yes, Bernard did upgrade and improve DUL in may was, up to 10g.
<br>chained rows are easy to follow, reading row flags, by the way...<br><br
>kind regards,<br><br>Lex.<br><br>-- ---- ---- ---- ---- ---- ---- ---- ---- ---
-- ---- ---- ---- --
<br>Steve Adams Seminar <a href="http://www.naturaljoin.nl/events/seminars.html
">http://www.naturaljoin.nl/events/seminars.html</a><br>-- ---- ---- ---- ------
-- ---- ---- ---- ---- ---- ---- ---- ----<br>-- --Original Message-- --
<br>From: <a href="mailto:oracle-l-bounce@(protected)">oracle-l-bounce
@(protected)</a> [mailto:<a href="mailto:oracle-l-bounce@(protected)">oracle
-l-bounce@(protected)</a>] On<br>Behalf Of Parker, Matthew<br>Sent: Tuesday,
September 06, 2005 08:42
<br>To: <a href="mailto:jost@(protected)">jost@(protected)</a>; <a href=
"mailto:ORACLE-L@(protected)">ORACLE-L@(protected)</a><br>Subject: RE:
Reading corrupted Datafiles offline<br><br>As Jim mentioned there is the DUL
(Data Unloader ) tool that Oracle consulting
<br>can use for you. The normal stated accuracy is 99% depending on your system
. It<br>never understood how to follow chained rows. You are lucky to be on 8.1
.6 as<br>they never updated the tool to 9i/10g according to the developer, ( a
project
<br>sometime in the future for him).<br><br>Give us so more details about what
exactly happened and what you have of your<br>database, then we may be able to
help you.<br><br>-- --Original Message-- --<br>From: <a href="mailto:oracle-l
-bounce@(protected)">
oracle-l-bounce@(protected)</a> [mailto:<a href="mailto:oracle-l-bounce
@(protected)">oracle-l-bounce@(protected)</a>] On<br>Behalf Of <a href=
"mailto:jost@(protected)">jost@(protected)</a><br>Sent: Monday, September 05,
2005 9:00 AM
<br>To: <a href="mailto:ORACLE-L@(protected)">ORACLE-L@(protected)</a><br
>Subject: Reading corrupted Datafiles offline<br><br><br><br><br><br><br>Hi list
,<br><br>assuming the following scenario:<br><br>No working Backup because of
several reasons.
<br>Not all datafiles of the database<br>Corrupt blocks in the datafiles we
have<br><br>So, as far as i know, there no way to restore the Database in any
conventional<br>way.<br><br>My question is, is there any oficiall or unoficiall
way to read the data from
<br>the datafiles direct?<br><br>System ist Linux and Oracle 8.1.6(!)<br><br>We
need not the total whole off the data but some important tables from one<br
>special tablespace.<br>I am aware of bad luck with the location of the
corrupted blocks, but i will
<br>give them a try ;-)<br><br>If you need more Information feel free to ask.
<br><br>Thx in advance<br><br>J�rg<br><br>--<br><a href="http://www.freelists
.org/webpage/oracle-l">http://www.freelists.org/webpage/oracle-l</a>
<br>--<br><a href="http://www.freelists.org/webpage/oracle-l">http://www
.freelists.org/webpage/oracle-l</a><br>--<br><a href="http://www.freelists.org
/webpage/oracle-l">http://www.freelists.org/webpage/oracle-l</a><br></blockquote
>
</div><br><br clear="all"><br>-- <br>Welcome, Fangxin.Lou from China<br>Home:
<a href="http://www.anysql.net/en/">http://www.anysql.net/en/</a><br>Mydul: <a
href="http://www.anysql.net/en/mydul.html">http://www.anysql.net/en/mydul.html
</a><br>