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- Running 4.1 and 5.0 simultaneously on linux
October 14, 2005, 11:49 am
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My app needs to access two db instances - one running 4.1, and another
running 5.0 so I can use stored procedures. For testing I want to do
this on the same machine.
Question: How can I run 4.1 and 5.0 simultaneously on linux - Suse 9.3
in particular? My goal is to do no harm to my current 4.1 setup. Can
the 4.1 and 5.0 rpm's play nice together? Can I use the rcmysql
commands for running multiple versions?
Re: Running 4.1 and 5.0 simultaneously on linux
This should be possible if you make sure that each instance has its own
distinct configuration for the following:
- install directories
- data directories
- port numbers
- socket files
- log files
- /etc/init.d scripts
- my.cnf files
- maybe something else I'm forgetting.
I wouldn't recommend using the RPM's to do this. Maybe install one from
its RPM, but get the tarball for the other so you can unpack it in a
You might even want to compile the 'custom' one from source so you can
specify at build time the location of a distinct hard-coded datadir.
Refer to docs for the my.cnf file to set up the other properties distinctly.
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