[Centos] centos4/rhes4 - mysql4?
Simon Garner
sgarner at expio.co.nz
Fri Jan 21 22:43:40 UTC 2005
On 22/01/2005 7:19 a.m., Troy Engel wrote:
>
> Increasing we're having to hybrid all our servers (run the mysql client
> RPMS for 3.x, but server binaries for 4.0 over in /usr/local/) for more
> and more projects that need the 4.0 features. I've also read that with
> 4.1 server binaries, the 3.x client apps will no longer work?
>
I simply upgraded MySQL using the 4.1.x RPMs from mysql.com, haven't
seen any problems (with CentOS-3).
The only compatibility issue I know of with regard to 3.x clients (and
4.0 clients) connecting to 4.1 servers is that 4.1 has a new password
hashing algorithm. If you use an old format mysql privileges database or
run mysqld with --old-passwords (add old-passwords to the [mysqld]
section of /etc/my.cnf) there is no problem.
http://dev.mysql.com/doc/mysql/en/Password_hashing.html
-Simon
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