I made a clean install with MacOS 10.8 and need to restore my Databases from my external backup drive. Apparently it is not possible, to create the MySQL user and password as before, and simply drag the databases from /backup/usr/local/mysql-5.5.13-osx10.6-x86_64/data/ into /usr/local/mysql-5.6.11-osx10.7-x86_64/data/
I checked the owners _mysql:wheel the permissions everything. Everything is as before on the backup. (off topic question: why is there an underscore before _mysql?)
When I log in as root:
But I am unable to see what is inside the tables with:
Hi marek,
I'm not familiar with Mac OS and I have no idea why the OS username is _mysql,
any valid OS name could be used.
Did you stop the database before copying the datafiles?
In any case, check the content of the mysql error log, it should give you a clue.
ooops! This is a good idea! BUT where is this error log?
does not help (searching in /usr/local/mysql-5.6.11-osx10.7-x86_64). Sorry for this beginner question! And the system.log in /var/log/ does not tell anything of mysql server ...
Yes, radoulov, I am able to log in as root, and read the Databases, but not the content of the Tables with SELECT ... And the same as user webdev ...
Meanwhile I found the error log. it resides in /usr/local/mysql-5.6.11-osx10.7-x86_64/data/localhost.err
Here I find plenty of errors like follows
I will look into this reference tomorrow. Too late now! Perhaps I will find the mistake myself.
marek
---------- Post updated 06-11-13 at 08:37 AM ---------- Previous update was 06-10-13 at 11:46 PM ----------
I made a try, and created new tables as user webdev in the webdb. And apparently there is something wrong with my backup:
In my backup are now files with extension .ibd as you may see with the first table "anz_werte.frm". I am stumbled! Where have gone these .ibd files?
I am not at home, so I am unable to check my backup now. I keep you informed this evening ...
marek
---------- Post updated at 04:01 PM ---------- Previous update was at 08:37 AM ----------
Hello all!
I am getting closer to the problem:
I switched from my installed mysql-5.6.11-osx10.7-x86_64 version to the preinstalled version (on Mountain Lion, MacOS 10.8) mysql-5.5.13-osx10.6-x86_64
(I simply changed the symbolic link mysql pointing to the older version of mysql-5.5)
Everything is working here! But here are no .ibd files. Does this mean, I installed the wrong version of MySQL? Or do I have to "upgrade" my old databases from version 5.5 ot 5.6 ?
Thank you for your help!
marek
Last edited by Scott; 06-11-2013 at 11:02 AM..
Reason: Code tags
You definitely need to upgrade mysql (mysql_upgrade) if you want to use a newer release with the old datafiles.
You'll always have .idb files (the system tablespace, for example), unless you disable InnoDB completely.
They may or may not be in your <db_name>/ directory.
For me it is not clear, what means InnoDB and what changed in the update of MySQL. I don't know either, how to switch off InnoDB. But I will read the refman.
In any case I made
My freshly created Tables authors and books are validating. I don't know what to do. Probably I will stick to the old MySQL.
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