Server :: Recover MySQL Innodb From /var/lib/mysql/ Backup?
Jan 30, 2011
I installed mediawiki the other day and went with the default innodb option. However a week later something went wrong. And since I have scripts that nightly backup /var/ I just copied the backup of /var/lib/mysql/wikidb/ (as I've done with MyISAM). Then when I connect the wikidb database. I can see the tables (via "show tables"), but when I do any query with them (check table X, select * from X) I get:
Code:
Table 'wikidb.X' doesn't exist I've since read that can can't just copy the database directory like MyISAM, and there appears to be no way that I can find to restore or fix Innodb, without a dump of the data. And I never got a chance to do a mysqldump of the data. So has anybody got any idea how I can at least view the "page" table from the files I've backed up in /var/lib/mysql/wikidb/ ?
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Dec 6, 2009
I'm trying to recover a compressed mysql backup. As the backup is extremely large, I dont wanna decompress it before importing. How can I make a mysql variable take effect before I load this compressed file into the database.
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Jun 7, 2011
I think this goes here, but I'm not sure. I decided that XAMPP had been troublesome enough. MySQL never worked. So I decided to instal the LAMP stack offered by YaST. I went about installing it thinking that it would all work. But it seems that I was wrong. So I try to start mysql, and here's what I get:
Code:
the-matrix:~ # mysql start
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/mysql/mysql.sock' (2) or
Code:
the-matrix:~ # rcmysql start
Starting service MySQL warning: /var/mysql/mysql.sock didn't appear within 30 seconds
chmod: cannot access `/var/run/mysql/mysqld.pid': No such file or directory
[Code]...
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Jun 2, 2010
i am using liferay5.2(mysql included in the download pack) on fedora. while liferay is working fine but i cannot connect to mysql.i am getting the error
[
[root@localhost ~]# ln -s /var/lib/mysql/mysql.sock /tmp
[root@localhost ~]# /etc/init.d/mysqld start
Timeout error occurred trying to start MySQL Daemon.
[code]....
i didnt find the mysql.sock file in the location /var/lib/mysql/mysql.sock. i cannot find the portal-ext.properties file also to make intial settings.
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Mar 30, 2010
Say i have this line in my my.cnf file
Code:
innodb_data_file_path=ibdata1:10M:autoextend:max:1000M can anyone tell me what happens when ibdata1 reaches the maximum size of 1000M? Does it break? Does it not allow writes? Does it delete old data? I searched everywhere online for answers and came up empty handed. Sorry, i know this is not an Ubuntu question but rather a MySQL question. It is running on an Ubuntu Server though
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May 6, 2011
how to take tar backup and restore in mysql,Iam new to mysql,i searched in google but i did not get the exact one.
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Apr 11, 2011
writting shell scripts,i searched in google but could not get the exact,pls can anyone help how to take mysql backup & restore using shell scripts.
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Apr 12, 2010
I'm working on an old redhat server with mysql installed and I need to find a way to stop the service in order to preform a backup.
some info that I found on the server code...
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Mar 2, 2011
I own a CentOS 5 VPS. I typed crontab -e, and then I added the following line to automatically have my server backup mysql
0 * * * * mysqldump -u root -p password --all-databases | gzip > /home/dbbackup/database_`date '+%m-%d-%Y_%H'`.sql.gz
When I go in and look, it doesn't place any files in /home/dbbackup. When I run
mysqldump -u root -p password --all-databases | gzip > /home/dbbackup/database_`date '+%m-%d-%Y_%H'`.sql.gz
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Apr 15, 2010
I was reading [URL] which as the following in "Warning": Warning It is not a good idea to configure InnoDB to use data files or log files on NFS volumes. Otherwise, the files might be locked by other processes and become unavailable for use by MySQL. What does that mean, and how can one configure or check to ensure the above is being followed?
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Jun 17, 2010
I have installed Mysql in Ubuntu 9, for the use of roundcube database.After installing iam getting the error like this
* Stopping MySQL database server mysqld [ OK ]
* Starting MySQL database server mysqld [ OK ]
* Checking for corrupt, not cleanly closed and upgrade needing tables.
So because of this in the roundcube configuration its giving the error message that MYSQL is not installed. So Kindly give me a idea how to solve this.
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Aug 25, 2010
I'm having problems connecting to the mysql database on my system. I first noticed this when I was trying to set up the program anymeal. I subsequently tried using MySQL Administrator (mysql-admin), but had no luck. It gives my the following feedback:
Code:
Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)
Click the 'Ping' button to see if there is a networking problem. I press the ping button, and it seems to connect.
Code:
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Feb 15, 2011
we've been trying to become a bit more serious about backup. It seems the better way to do MySQL backup is to use the binlog. However, that binlog is huge! We seem to produce something like 10Gb per month. I'd like to copy the backup to somewhere off the server as I don't feel like there is much to be gained by just copying it to somewhere else on the server. I recently made a full backup which after compression amounted to 2.5Gb and took me 6.5 hours to copy to my own computer ... So that solution doesn't seem practical for the binlog backup.Should we rent another server somewhere? Is it possible to find a server like that really cheap? Or is there some other solution? What are other people's MySQL backup practices?
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Feb 22, 2011
I've been attempting to set up a LAMP for local web development, which meant installing mysql-server. But now have a problem when trying to run mysql, I get:-
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
When trying to downgrade mysql-server I saw that there are dependency problems between the various modules (but can't recall which). But whichever route I truied the results are always the same.
Thought about trying XAMPP but I note that even has it's problems, is there any way I can get a lamp set up on FC14, or must I give it up as a bad job.
Howver, just been trying to again to fix the problems with downgrading mysql and get:-
Error: Package: mysql-server-5.1.55-1.fc14.i686 (@updates)
Requires: mysql(x86-32) = 5.1.55-1.fc14
Removing: mysql-5.1.55-1.fc14.i686 (@updates)
mysql(x86-32) = 5.1.55-1.fc14
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Aug 2, 2010
I'm trying to setup wordpress on my server, which of course I need mysql for. I setup a database the other day, which worked perfectly, but I had to start again as I put some information in wrong. Now, I can create a database fine, but when I run
Code:
GRANT ALL ON wordpress.* TO wordpress@localhost IDENTIFIED BY "password";
I get the output:
[code]...
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Jun 4, 2009
I have MySQL 5.1.34 and PHP 5.1.6 installed on my system, how do I install php-mysql? Each time I try, it says
mysql-5.0.45-7.el5.i386 from base has depsolving problems
-- > mysql conflicts with mysql-server-community
error: mysql conflicts with mysql-server-community
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Jun 18, 2010
I was having issues with MySQL Server and uninstalled it. I still have my databases at /lib/var/mysql.
My question: if I install MySQL Server (same version, 5.1) again, will it delete my databases, or will they still work?
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May 23, 2011
How can I really, really remove everything related to mysql / mysql-server. I read and tried all kinds of things, but on every reinstall there is still old mysql stuff there, for example an existing password. Even resetting the password does not help.
Reason of removal: it looks like the mysql setup is really corrupt, so I want to remove, and then do a fresh install. Running Ubuntu 11.04 64-bit
sander@R540:~$ sudo apt-get purge mysql-server
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package mysql-server is not installed,
[Code]....
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Mar 3, 2009
I just configured a complete Cent OS 5.2 system for use as a web server. I can configure Apache and PHP but MySQl seems to be causing some issues -
[mysqld]
datadir=/var/lib/mysql
socket = /var/lib/mysql/mysql.sock
user=mysql
# Default to using old password format for compatibility with mysql 3.x
# clients (those using the mysqlclient10 compatibility package).
[Code]...
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Jan 19, 2010
I have a scheduled backup to run on our server at work and since the 7/12/09 it has be making 592k files instead of 10Mb files, In mysql-admin (the GUI tool) I have a stored connection for the user 'backup', the user has select and lock rights on the databases being backed up. I have a backup profile called 'backup_regular' and in the third tab along its scheduled to backup at 2 in the morning every week day. If I look at one of the small backup files generated I see the following:
Code:
-- MySQL Administrator dump 1.4
--
-- ------------------------------------------------------
-- Server version`
[code]....
It seems that MySQL can open and write to the file fine, it just can't dump
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Mar 15, 2010
I am getting the following error when starting mysql using 'sudo /etc/init.d/mysql start':
Mar 15 16:33:56 MoodFishDev /etc/init.d/mysql[18317]: 0 processes alive and '/usr/bin/mysqladmin --defaults-file=/etc/mysql/debian.cnf ping' resulted in
Mar 15 16:33:56 MoodFishDev /etc/init.d/mysql[18317]: ^G/usr/bin/mysqladmin: connect to
[code]....
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Jul 14, 2010
I am using CentOS5 and installed the MySQL for server during the installation. I can set up and use MySQL databases. But I cannot make it startup everytime the server restarts. And quite a lot of methods need this folder "support-files/mysql.server", while my set up cannot find this. I am wondering if my installation of the MySQL for server is complete or not.
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Sep 29, 2010
I wrote a code in C to connect to MySQL by using mysql_real_connect function but I recieved error "Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)" (by using mysql_error function).
I also did the following things: in mysql I typed 'SHOW VARIABLES LIKE '%SOCKET%'', it returned /var/lib/mysql/mysql.sock I typed 'mysql_config --socket' in shell, it returned /var/lib/mysql/mysql.sock I modified /etc/my.cnf file
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Sep 4, 2010
Some a$$ hack me MySQL and deleted all my databases, I have older copies on my system, but is there a way that Ubuntu server can recall or recover deleted MySQL database files ?
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Dec 25, 2008
I was trying to delete mysql server and client and accidentally I deleted the configuration folder /etc/mysql. Is there a way to recover this folder??? I thought that only reinstalling it would solve the issue, but it didn't.
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Aug 2, 2010
My server got crashed due to some power glitch i am somehow able to get the access to the /var folder i have copied all my webpages to a new system from /var/www folder, and i have install LAMP server but still i am not able to access the database from phpmyadmin.
I have copied the database to /var/lib/mysql..in phpmyadmin it has initially given there is no data base when i replaced the mysql folder but now after a restart it is giving me #2002 cannot log in to the mysql server even undoing the things is giving me the same error...
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Nov 18, 2009
I want to write the shell script which
1)Finds all the databases in mysql
2)create the folder who ever is the creater of that database or owner of that database. I think the databse starts with username_ so i think i have to split the database name to get folders name . How to do that? backs up the databases belonging to that user.
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Jun 27, 2011
How to backup a particular Databases..through Bash script! For example i have 6 databases;
Anish
linux
Software
Questions
Rhce
Google
these are the databases i have from that i want to take "Anish" and "questions" database backup regularly.
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Feb 2, 2010
I had a problem with my ubuntu installation, but I don't want to get into that...The OS wouldn't load...Now, that I have a ubuntu partition mounted on a live cd, is there a way I can access or backup my database without booting the system? I'm pretty sure the database is stored somewhere, but how can I find it and back it up?
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May 4, 2011
How to backup from an old mysql in a hard drive?I have this HD which used to have an Ubuntu 7.04... However, the system crashed and it is not possible to boot anymore.I have moved the HD to another computer and made a copy for every important file and folder... But I am facing trouble to backup mysql... To copy /etc/lib/mysql doesn't work because it is probably in an older version from the mysql I use on Ubuntu 10.10
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