I normally use MySQL Administrator to backup my database. I want to enable all the backup options for the available backup types in MySQL. I noticed that Binary Logging is not running on my PC. How to enable it? I also want to know what all parameters to include in a command-line mysqldump command to take a perfect guaranteed backup.
Add the following to my.ini
Then, restart mysql
As for mysqldump, most of the options you need are defaulted already in --opt. Here are my choice parameters:
mysqldump -h... -u... -p... --master-data=2 --routines --triggers --flush-privileges --all-databases > DataDump.sql
Here is an explanation for my choices (including default --opt)
--opt Same as --add-drop-table, --add-locks, --create-options, --quick, --extended-insert, --lock-tables, --set-charset, and --disable-keys. Enabled by default, disable with --skip-opt. -R, --routines Dump stored routines (functions and procedures). --triggers Dump triggers for each dumped table. --flush-privileges Emit a FLUSH PRIVILEGES statement after dumping the mysql database. This option should be used any time the dump contains the mysql database and any other database that depends on the data in the mysql database for proper restore. --master-data[=#] This causes the binary log position and filename to be appended to the output. If equal to 1, will print it as a CHANGE MASTER command; if equal to 2, that command will be prefixed with a comment symbol. This option will turn --lock-all-tables on, unless --single-transaction is specified too (in which case a global read lock is only taken a short time at the beginning of the dump; don't forget to read about --single-transaction below). In all cases, any action on logs will happen at the exact moment of the dump. Option automatically turns --lock-tables off.
You will need --master-data if you want to setup the dump to prepare replication slaves. The master log and position at the time of the dump will be recorded as a comment (using --master-data=2) or as a command (using --master-data=1) on line 22 of the dump file.
UPDATE 2011-07-26 15:20 EDT
If you would like to dump separate databases and separate tables, please follow the instructions at this URL.
Rolando mentioned how to enable binary logging in the log. All you need to do is set the log-bin variable and restart mysql.
You can ensure that binary logging is enabled on a running server with:
mysql> SHOW VARIABLES LIKE 'log_bin%'; +---------------------------------+-------+ | Variable_name | Value | +---------------------------------+-------+ | log_bin | ON | | log_bin_trust_function_creators | OFF | | log_bin_trust_routine_creators | OFF | +---------------------------------+-------+ 3 rows in set (0.05 sec)
I think it's VERY important to note that you're never really guaranteed a perfect backup everytime. As in life, nothing is guaranteed.
You need to set up a backup strategy and test a restore periodically.
Doing this ensures...
- you can restore from your backup
- you are familiar with your strategy so WHEN disaster hits, you won't be fumbling around.
- you'll already know how to get it back online.