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Fatal error: Can't open and lock privilege tables: Table 'host' is read only

Fatal error: Can't open and lock privilege tables: Table 'host' is read only

andreas balke a.balke at digiden.de
Mit Mar 21 20:55:35 CET 2007


hello all,

i have a - to me - heavy problem with mysql; using debian and version:
mysql  Ver 14.12 Distrib 5.0.32, for pc-linux-gnu (i386) using readline 4.3

we have two harddisks in our server where i tried to move the data-dir 
to the second drive to improve performance. i stopped mysql, copied all 
(Rp) from /var/lib/mysql to the new drive and symlinked it back to 
/var/lib/mysql.

when i try starting mysql now i got the following errors in syslog:

Mar 21 20:11:00 localhost mysqld[29689]: 070321 20:11:00  InnoDB: 
Started; log sequence number 2 186695629
Mar 21 20:11:00 localhost mysqld[29689]: 070321 20:11:00 [Note] 
Recovering after a crash using /var/log/mysql/mysql-bin
Mar 21 20:11:00 localhost mysqld[29689]: 070321 20:11:00 [Note] Starting 
crash recovery...
Mar 21 20:11:00 localhost mysqld[29689]: 070321 20:11:00 [Note] Crash 
recovery finished.
Mar 21 20:11:00 localhost mysqld[29689]: 070321 20:11:00 [ERROR] Fatal 
error: Can't open and lock privilege tables: Table 'host' is read only
Mar 21 20:11:00 localhost mysqld_safe[29700]: ended
Mar 21 20:11:14 localhost /etc/init.d/mysql[29840]: 0 processes alive 
and '/usr/bin/mysqladmin --defaults-file=/etc/mysql/debian.cnf ping' 
resulted in
Mar 21 20:11:14 localhost /etc/init.d/mysql[29840]: 
^G/usr/bin/mysqladmin: connect to server at 'localhost' failed
Mar 21 20:11:14 localhost /etc/init.d/mysql[29840]: error: 'Can't 
connect to local MySQL server through socket 
'/var/run/mysqld/mysqld.sock' (2)'
Mar 21 20:11:14 localhost /etc/init.d/mysql[29840]: Check that mysqld is 
running and that the socket: '/var/run/mysqld/mysqld.sock' exists!

the crazy thing on it is that if i copy the data-dir *the same way* to a 
directory on the first harddrive (where it comes from), set link it the 
same way etc., everything works as expected. the drives are mounted with 
the identical options in /etc/fstab, both contain ext3 as filesystem.

it would be great if somebody of you can give me a hint since google 
gives me only 3 hits.

best regards,
andi

-- 
 Andreas Balke (Web Development)
Digiden GmbH • Agentur für Kommunikationslösungen
In der Backfabrik • Saarbrückerstraße 37b • D-10405 Berlin 
Fon: +49 (30) 446 749 425 • Fax: +49 (30) 446 749 479
www.digiden.de


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