[CentOS] MySQL 5.5, PHP and other tools still use 5.0 client drivers

[Leon Fauster]

Am 28.10.2013 um 22:30 schrieb Matthew B. Brookover <mbrookov at mines.edu>:
> On Mon, 2013-10-28 at 22:18 +0200, Eero Volotinen wrote:
>> 2013/10/28 Matthew B. Brookover <mbrookov at mines.edu>
>> 
>>> I upgraded a web server from CentOS 5.9 to 5.10.  The instructions also
>>> indicate that MySQL 5.0 is no longer supported so I followed the
>>> instructions to upgrade to 5.5.  Everything seems to be working so I
>>> tried to remove MySQL 5.0 and MySQL 5.1.  It seems there are still
>>> 
>>> As I understand it, there is no longer any support for
>>> mysql-5.0.95-5.el5_9, but it looks like it is still in use.  Is there
>>> any plan to move Perl DBD, mod_auth_mysql, ODBC, SASL, Dovecot, and PHP
>>> from the 5.0 MySQL drivers to the 5.5 drivers?
>>> 
>>> Is there something that I missed in the upgrade process?
>>> 
>> 
>> Yes, you cannot remove mysql-5.0. see redhat knowledge base for more
>> information.
> 
> Thanks Eero, Good to know.
> 
> I did remove the rest of the 5.0 and 5.1 packages and will leave
> mysql-5.0-5.el5_9 in place for now.  FYI, I searched through the rest of
> the installed packages, the only one that has the client library is
> mysql-5.0.95-5.el5_9.


php-mysql is linked against mysql-5.0-libs and talking to 
a mysql-5.5 server. Should this cause an unpredictable behavior?

--
LF