Is mysql the owner of the directories?
----- Original Message ----
From: Manasi Save <manasi.save@stripped>
To: Johan De Meersman <vegivamp@stripped>
Cc: Waynn Lue <waynnlue@stripped>; mysql <mysql@stripped>
Sent: Wed, November 25, 2009 8:12:25 PM
Subject: Re: question regarding mysql database location
Need your help again in understanding How mysql reads symlink.
As you said below, I have created symlinks in default mysql directory.
and try to read that symlink file as a database. But mysql is not reading
that file as Database. Is there any settings which I need to change.
Thanks in advance.
Artificial Machines Pvt Ltd.
> On Wed, Nov 25, 2009 at 11:55 AM, Manasi Save <
> manasi.save@stripped> wrote:
>> Hi Johan,
>> I am Sorry. If I have complicated the senerio But, this still not fix my
>> What I want is - From your example :-
>> /data/disk1/mysql/db1 (directory)
>> /db2 (directory)
>> /db3 (directory)
>> /db4 (symlink to
>> /db5 (symlink to
>> /db6 (symlink to
>> I dont want to create these directories here (/data/disk1/mysql/d4
> They're not directories, they're symlinks, which are (to the OS) a kind of
> file, and thus not limited to 32000 per directory. They behave mostly
> identical to a directory, though, so MySQL will pick them up seamlessly,
> with the one hitch that you'll have to replace "create database"
> by mkdir and ln calls on the OS level.
> This is afaik the only way to do this on the MySQL level. It is impossible
> to specify multiple base directories.
> Another possible option, but higher in complexity and most likely less
> performant, would be to run two instances of MySQL on different ports with
> different data directories, and use MySQL Proxy to redirect incoming
> connections based on whatever criterion you could script into it - "use
> database" statements, for example. This is however going to come with it's
> very own set of catches and limitations.
> I'm not big on proxy, myself, so I'm afraid if the symlink option is not
> acceptable to you, I can't help you any further.
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