Hello Werner,

your database at least contains one permanent corrupted table(no index!) 
identified by the root page 652499.

Make sure that you are connected as SystemDBA when executing
"select * from roots where root = 652499" to get more information
about the table.

The error message "BD53: predsep.k > sep.k: 0" means that the 
calculation of a new separator in a b*tree is not possible,
because one of the given keys probably from a leaf page is 
corrupted! 

If you have same time you may try to recreate the table by using
a "create table/insert select" statement. This may work if only
the order of the records in the corrupted table is interchanged.

>From my point of view you should recover your database with the
last data backup made before the first crash occur!

After a successful database recovery you should execute a "check data 
extended" formerly known as "verify" via DBMGUI to be sure that no 
more defects exist.


Regards,
Torsten

SAP Labs Berlin

 
Sitz der Gesellschaft/Registered Office: Walldorf, Germany

Vorstand/SAP Executive Board: Henning Kagermann (Sprecher/CEO), Shai Agassi, 
Léo Apotheker, Werner Brandt, Claus Heinrich, Gerhard Oswald, Peter Zencke

Vorsitzender des Aufsichtsrats/Chairperson of the SAP Supervisory Board: Hasso 
Plattner

Registergericht/Commercial Register Mannheim No HRB 350269

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-----Original Message-----
From: Werner Jörling [mailto:[EMAIL PROTECTED] 
Sent: Thursday, May 17, 2007 11:46 AM
To: maxdb@lists.mysql.com
Subject: DB crashes each day, cannot detect the table or index


Hi,

my database-server crashes each day at the same time (from about 01:40 to
01:50).

The knldiag contains each time the messages:

-----------------------------------------
2007-05-16 01:48:04    22 ERR 53187 B*TREE   BD53: predsep.k > sep.k: 0
2007-05-16 01:48:04    22 ERR 53000 B*TREE 
0D0000000000000197FA000000000000
2007-05-16 01:48:04    22 ERR 53000 B*TREE   Table Root  652499
2007-05-16 01:48:04    22 ERR 53372 B*TREE   Base error: invalid_leaves_str
2007-05-16 01:48:04    22 ERR 53372 B*TREE   Corrupted b*tree index; 0
2007-05-16 01:48:04    22        40 Admin    Kernel state: 'OFFLINE' reached
2007-05-16 01:48:04    22        40 Admin     + 2007-05-16 01:48:04 Admin
Error 2
2007-05-16 01:48:04    22        40 Admin     -   A fatal error caused
EMERGENCY SHUTDOWN. core is written
2007-05-16 01:48:04    22 ERR 11196 DBCRASH  vabort:Emergency Shutdown,
Kernel_Administration.cpp: 602
2007-05-16 01:48:04    22 ERR 11599 BTRACE   ----> Emergency Stack Back 
Trace
------------------------------------------

The query

SELECT * FROM roots WHERE root = 652499

does not find a result.

Any idea what I can do?

Regards

Werner Jörling

-- 

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