[vpsFree.cz: community-list] mysql problem

[Tomas Srnka]

http://www.cafewebmaster.com/repair-all-mysql-databases-tables-php -> take nieco si skusal? Mozes mat poskodenu integritu niektorych tabuliek. Idealne si napis skript, co zbehne  CHECK a REPAIR na vsetky tabulky vo vsetkych DB.

On Aug 5, 2012, at 3:38 PM, Dusan Simek <pixelfields at gmail.com> wrote:

> Ahoj chlapci,
> ten patecni vypadek/presun vps mi nejak rozbil mysql. Chtel bych poprosit o info, jak to opravit, pokud s tim mate nekdo nejakou zkusenost. Situace je nasledujici:
> 
> Pri nekterych requestech (je to nahodne, 10 requestu ok, 11 zfailuje) dojde ke bude k chybe pri pripojeni, nebo ke ztrate spojeni. V logu vidim nasledujici:
> 
> bud:
> 
> OperationalError: (2013, "Lost connection to MySQL server at 'reading initial communication packet', system error: 104")
> 
> nebo:
> 
> OperationalError: (2003, "Can't connect to MySQL server on '83.167.228.14' (111)")
> 
> nebo:
> 
> OperationalError: (2002, "Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)")
> 
> mysql vypada, ze bezi normalne:
> 
> netstat -tupan | grep mysql
> tcp        0      0 0.0.0.0:3306            0.0.0.0:* LISTEN      26693/mysqld
> 
> ps ax | grep mysql
> 12488 ?        S      0:04 /bin/sh /usr/bin/mysqld_safe
> 26869 ?        Sl     0:02 /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --user=mysql --log-error=/var/lib/mysql/msa.err --pid-file=/var/lib/mysql/msa.pid --socket=/var/run/mysqld/mysqld.sock --port=3306
> 
> socket vypada ok:
> 
> ls -la /var/run/mysqld/
> total 8
> drwxr-xr-x  2 mysql mysql 4096 Aug  5 15:32 .
> drwxr-xr-x 20 root  root  4096 Aug  5 10:46 ..
> srwxrwxrwx  1 mysql mysql    0 Aug  5 15:32 mysqld.sock
> 
> 
> Kdyz zkusim mysql restartovat, dostanu nasledujici:
> 
> /etc/init.d/mysql restart
> Stopping MySQL database server: mysqld.
> Starting MySQL database server: mysqld.
> Checking for corrupt, not cleanly closed and upgrade needing tables..
> msa:.../home/dsimek > ERROR 2013 (HY000) at line 1: Lost connection to MySQL server during query
> ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (111)
> ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)
> ....
> 
> v logu pri startu vidim toto:
> 
> Aug  5 10:26:33 msa /etc/mysql/debian-start[30658]: Upgrading MySQL tables if necessary.
> Aug  5 10:26:33 msa /etc/mysql/debian-start[30664]: /usr/bin/mysql_upgrade: the '--basedir' option is always ignored
> Aug  5 10:26:33 msa /etc/mysql/debian-start[30664]: Looking for 'mysql' as: /usr/bin/mysql
> Aug  5 10:26:33 msa /etc/mysql/debian-start[30664]: Looking for 'mysqlcheck' as: /usr/bin/mysqlcheck
> Aug  5 10:26:33 msa /etc/mysql/debian-start[30664]: This installation of MySQL is already upgraded to 5.1.63, use --force if you still need to run mysql_upgrade
> Aug  5 10:26:33 msa /etc/mysql/debian-start[30672]: Checking for insecure root accounts.
> Aug  5 10:26:33 msa /etc/mysql/debian-start[30677]: Triggering myisam-recover for all MyISAM tables
> 
> Diky za jakykoliv tip.
> 
> Dusan
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