Upgrading MySQL Without Wrecking Bacula

Kevin Kinsey kdk at daleco.biz
Sat Jun 11 05:26:43 GMT 2005

Drew Tomlinson wrote:

> I am a total noob regarding MySQL.  I have version 3.23 installed on 
> my 4.10 system.  The only thing it's been used for and by is Bacula.  
> I have never used it directly.
> But now I have reason to learn MySQL and feel it would be appropriate 
> to start with a newer version.  I see there's 4.1 and 5.0.  Even 
> though it's beta, I'm inclined to just start with 5.0 since my data 
> will not be super critical and quite small.  Basically I want t make a 
> product database and display it via web pages.  There are less than 
> 10,000 products.  I also don't see more than 2 or 3 clients accessing 
> it at one time.  Maybe in an extreme case there might be 10 clients.  
> Overall, pretty small.
> So what must I do to upgrade from 3.23 to something newer and keep 
> Bacula happy.  I've read the Bacula web site and it claims to work 
> with 3.23 and higher.  I've browsed the MySQL site and see 
> instructions to upgrade from 3.23 to 4.0, 4.0 to 4.1, and upgrading to 
> 5.0.  However I'm sure I don't really need to upgrade in steps?
> Any guidance, advice, and/or links to tutorials would be greatly 
> appreciated.
> Thanks,
> Drew

I like mysqldump for easy to recreate backups:

$ mysqldump sometable > sometable.sql

To restore, you need to add a statement to the top
of the file, like "use sometable".  Then:

$ mysqladmin create cometable

and, finally:

$mysql < sometable.sql

And everything should be "good to go".

Sorry I'm not much more help.  I use portupgrade and/or portmanager
to keep things somewhat "up to date", but I don't know if there would
be any "gotchas" with that and Bacula or not.  I'd tend to think that as
long as I had all my databases backed up, I could uninstall 323 and
install something from the 4X or 5X line and not have too many issues.

You might want to learn a little about using the MySQL monitor itself,
first, in 3.23; a little knowledge of MySQL syntax would add to your
confidence in restoring the data, I would think . . .


Kevin Kinsey

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