mysqlhotcopyutility copies only MyISAM tables, (Christian web host) not InnoDB or
mysqlhotcopyutility copies only MyISAM tables, not InnoDB or BDB tables. Using mysqlhotcopyis lessintrusive than taking your database offline, but it canslow things down if you re backing up a busy data- base. (mysqlhotcopyhas to wait for the READlock onall tables before it proceeds and blocks all tablemodifications until it finishes.) Archiving a Replication SlaveAnother very useful alternative to mysqlhotcopyisreplication. When you replicate a database (or a tablewithin a database), the replication slave maintainsan exact copy of the data stored in the replicationmaster. To back up your data, simply shut down the slaveand use a file system backup tool to archive theslave database. While your slave database is offline, users can still read and modify the master. Thenwhen the slave comes back online, the replicationmechanism automatically applies any changes to theslave database. When you back up a replication slave, you must archive the $MYSQL/master.infoand$MYSQL/relay-log.infofiles, too. Taking Care of Business withMySQL AdministratorMySQL Administrator is a graphical interface thathelps you manage your MySQL server. It s a veryyoung tool (in fact, it s still in alpha-release land), complete with all the bugs you would expect from aprogram at this stage of maturity. It does show a tonof promise though, and it s worth getting familiarwith. We think it has a great future as it grows anddevelops. The official voices at MySQL say that this toolwill not work well with the release-3 servers but only a few of the features don t work. Fedora is currently distributed with release-3servers but should be stepping up to release-4servers any day now. SuSE and Mandrake shipwith MySQL release 4. You can run release-4 MySQL servers on Fedora, butthey re not standard issue. However, they shouldbecome standard equipment soon. This is alpha-release software. It seems prettystable, but it shouldn t be used in a productionenvironment yet (that is, with really, reallyimportant data). It s a good product to getfamiliar with though just keep lots of back- ups of any data dear to your heart or business. Installing MySQL AdministratorTo install MySQL Administrator, follow these steps: 1.Open a browser window and surf towww.mysql.com/downloads/ 2.Scroll down the page to the Graphical Clientssection and click the MySQL Administrator link. 3.Scroll down the MySQL Administrator page andclick the Pick a Mirror link next to the Linuxdownload labeled Linux (x86, glibc 2.3, stripped). The nonstripped version contains debug infor- mation and other stuff you most likely don tneed, and it will just slow down the download. 4.Scroll through the mirror sites to find a down- load location geographically near you. Clickthe HTTP link to start the download. 5.Save the download to your home directory(or/tmp you won t need the tarball afteryou ve installed it). 6.Close the download manager and the browser. 7.Open a terminal window and give yourselfsuperuser privileges with the sucommand. 8.Unpack the tarball with the following command: # tar -C / -zxvf mysql-administrator- 1.0.2b-alpha-linux-stripped.tar.gz54_
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