(reposting)
Hi!
In 9i, you can actually dbv files online. No blocks are falsely detected
as corrupt, they're just rescanned in case block header tail SCN and wrap
bytes don't match. If the block is continuously in change, then block is
reported as being in flux not corrupt.
Tanel
Hi All!
This is a question for the script gurus out there. I am running
an SAP system. Recently, during a DR test, we found several
files with corruption. These were found originally with an
ORA-600 [12700], and confirmed with dbv.
So now they want me to run dbv's on the database files during
Vergara, Michael (TEM) wrote:
Hi All!
This is a question for the script gurus out there. I am running
an SAP system. Recently, during a DR test, we found several
files with corruption. These were found originally with an
ORA-600 [12700], and confirmed with dbv.
So now they want me
|grep -i dce
I think you should get hits like
dce.client.rte.pthreads
If you don't, then I wonder why dbv thinks it needs it...
Try the following just to make sure you're running the dbv
you think you are:
$ which dbv
It should return $ORACLE_HOME/bin/dbv, for example:
$which dbv /u01/app
Thanks Jared and Scott for your
replies. Scott: I ran your lslpp -L |grep -i dce,
but it did not produce any output. Which dbv did produce the expected output.
I had opened up a TAR with Oracle this
morning, and they set me straight in fairly short order. This problem is
due to a bug
Just found it: on AIX ( 4.3 at least ) it's LIBPATH
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cc:
Subject:Re: DBV Cannot Load Module LIBDCE.A
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Subject:RE: DBV Cannot Load Module LIBDCE.A
Hi all,
First, thanks Jared for the info.
The libdce.a file does not exist on any of our AIX servers. It just
AINT there!
I typed libdce.a into google and from there downloaded PTF2,3, and 4
We are running Oracle 7.3.4.5.0 on an IBM/AIX RISC
System/6000: Version 2.3.4.0.0.
When I attempt to run DBV I get the following error messages
$ dbv help=y
exec(): 0509-036 Cannot load program dbv because of the
following errors:
0509-150 Dependent module libdce.a(shr.o) could
respond to ORACLE-L
To: Multiple recipients of list ORACLE-L [EMAIL PROTECTED]
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Subject:DBV Cannot Load Module LIBDCE.A
We are running Oracle 7.3.4.5.0 on an IBM/AIX RISC System/6000: Version
2.3.4.0.0.
When I attempt to run DBV I get the following
Just found it: on AIX ( 4.3 at least ) it's LIBPATH
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Subject:Re: DBV Cannot Load Module
, 9:34:49 PM, you wrote:
JW I have used DBV repeatedly and heavily on a variety of platforms from
JW version 7.3.2 on. ALthough it has always been called an Offline
JW Verification Utility, that has never meant that it cannot be used on
JW open datafiles. It just means it is not a utility
Jeremiah,
Perhaps the fact that my experience was with Personal Oracle 7.3.2.3 on
Win95 explains the hosed database - Win95 not being the best platform, to
say the least.
I'll definitely try it again - on a test database, of course.
BTW, I can't find any way to tell DBV to verify more than one
Jeremiah,
[snip]
BTW, I can't find any way to tell DBV to verify more than one
datafile at a
time. Is there?
Doesn't look like it. I tried
dbv blocksize=8192 file=system01.dbf,tools01.dbf
dbv blocksize=8192 file*.dbf
dbv blocksize=8192 file=(system01.dbf,tools01
In Unix, maybe something like this?
for X in *.dbf
do
dbv file=$X
done
Add logfiles, paths, etc. as you wish. I suppose something similar
must be possible in batch scripting for windows. Then again maybe
not!
--
Jeremiah Wilton
http://www.speakeasy.net/~jwilton
On Thu, 27 Feb 2003
One of the issues with dbv is that is assumes that you use a 2k block size.
In addition, you will want to ignore files for temporary tablespaces.
I use the following code to create a shell script to run the dbverify commands.
Incorporate this code into a wrapper script and run it periodically
Hi,
Can I use the program DBV on a production datafile (read and write),
without take offline the tablespace ?
--
Breno A. K. Magnago mailto:[EMAIL PROTECTED]
Mercantil de Alimentos Soares
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Author: Breno A. K
Hi,
Can I use the program DBV on a production datafile (read and write),
without take offline the tablespace ?
New Info : Windows 2000 Oracle 9.0.1.1.1
--
Breno A. K. Magnago mailto:[EMAIL PROTECTED]
Mercantil de Alimentos Soares
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Yes, you can. It may report that a block is influx if the block is being
written while dbv is looking at it. If you encounter this error, run it
again. If it does not report the same block, you are in the clear.
As with any i/o intensive process, run it off-hours.
Dan Fink
Breno A. K. Magnago
Dan,
That must be new for 9i, since my 8.1.7 docs say it is an offline
utility. I remember hosing an entire 7.3 test database years ago when I
first ran DBV on it while it was up and open - can't remember the errors,
but the DB was unusable. One of the (too) many times I learned to read
dbv is not crashing my 7.3.4.3.1 instance on hp-ux 10.2 :)
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]
Sent: Wednesday, February 26, 2003 1:19 PM
To: Multiple recipients of list ORACLE-L
Subject: Re: DBV
Dan,
That must be new for 9i, since my 8.1.7
I had a scheduled job that ran dbv on Solaris 8.0.4 databases once a week.
Never a problem. It has been awhile since I used it on Windows, and I don't
recall using it on 7.3 (not that I did not, but my memory is starting to
go...). I have never had a problem with it, either with the db up
I have used DBV repeatedly and heavily on a variety of platforms from
version 7.3.2 on. ALthough it has always been called an Offline
Verification Utility, that has never meant that it cannot be used on
open datafiles. It just means it is not a utility that connects to
the database.
DBV has
Hello,
I believe you are using the dbv on
Solaris 8
on the datafile of
Solaris 6
My experience has been that dbv
acts 'very funny' in these type of scenarios
in fact what you are encountering is
'expected behaviour'
However, don't be surprised if dbv runs
'successfully
?
- Running dbv Utility for SOME of the Datafiles Giving the Following
Error :-
$ dbv file=/mis/data3/ACCT_MASTER_bby01_13.dbf blocksize=8192
DBVERIFY: Release 7.3.4.5.0 - Production on Thu Nov 15 13:46:03 2001
Copyright (c) Oracle Corporation 1979, 1996. All rights reserved.
DBVERIFY
: Multiple recipients of list ORACLE-L
Asunto: dbv help
Can dbv be used against archive log files? If so, is the block size of
archive logs the same as the db_block size?
Thanks,
Joe
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Author: Joe LaCascio
INET: [EMAIL
Can dbv be used against archive log files? If so, is the block size of
archive logs the same as the db_block size?
Thanks,
Joe
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Author: Joe LaCascio
INET: [EMAIL PROTECTED]
Fat City Network Services-- (858) 538-5051
nope -- data files only
--- Joe LaCascio [EMAIL PROTECTED] wrote:
Can dbv be used against archive log files? If so, is the block size
of
archive logs the same as the db_block size?
Thanks,
Joe
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Author: Joe
Everyone:
We noticed some weird ORA-600 messages in our of our test databases,
so we ran 'dbv' against them. The database was shut down. Our
SYSTEM tablespace shows 'Undo Segment Corrupt' errors, and I have
two questions about this.
1) Does this mean my SYSTEM rollback segment is hosed
Hi!
sorry ..this may not be 'directly' related to your problem..
But, I am curious to know how you are 'managing'
8.1.7.1 with its bug of '566 session limit'.
Cyril
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Author: Cyril Thankappan
INET: [EMAIL
i need in urgence DBV synthax
thanks !!!
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Author: Djaroud Salim
INET: [EMAIL PROTECTED]
Fat City Network Services-- (858) 538-5051 FAX: (858) 538-5051
San Diego, California-- Public Internet access / Mailing
Try dbv help=y
Or click here :
http://otn.oracle.com/docs/products/oracle8i/doc_library/817_doc/server.817/
a76955/ch09.htm#1936
(found by searching for 'dbv' at
http://tahiti.oracle.com/pls/tahiti/tahiti.homepage :)
HTH,
Regards,
- Kirti Deshpande
Verizon Information Services
http
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