On Tue, Apr 1, 2008 at 4:48 PM, Johann Schmitz <email@example.com> wrote:
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> About several month ago I got 2 mysql instances (4.xx and 5.xx) running on
> the same machine.
> The (very) quick guide:
> * Emerge, setup, etc mysql in the outer system
> * setup a chroot with an complete stage3
> * chroot into the new one
> ** emerge mysql
> ** setup mysql (use a different ip or at least a different port then the
> outer system!)
> ** Note: You have to uncomment the "need net" line in the mysql init
> script, cause the network is already up
> * Mount /usr/portage/, /dev/, /proc/ with bind in the chroot
> * Create a fake initscript wich simply invokes the mysql initscript in the
> ** Add this one to the default runlevel
> I wrote a step-by-step guide, but: Its in german
> Maybe i find some time to translate it into englisch...
I don't understand why use a chroot to simply run another instance of
MySQL. Is there any good reason?
All you gotta do is create a new configuration file that points to a
different database location and uses a different port, and clone and
edit another /etc/init.d/mysql script to point to the new config file.
A chroot would be just a waste of space, since you can use the same
binary for multiple instances.
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