Hi Mat,
How many databases have you got running on 4.0? You can certainly go
through the motions of downloading each interim release, however my best
advice would be (if time/disk space permits) to dump your databases to
plain SQL files (using mysqldump) obliterate your 4.0 install, install a
fresh copy of 5.1 and restore your database dumps.
If your databases are hefty (I'd say above 1GB) you may need to go for
an upgrade, in which case I think you need to go to 4.1 before 5.0 if
memory serves me correctly.
Of course, depending on your setup, you could install a fresh copy of
5.1 and run it alongside 4.0 (ie on different port numbers) then you can
migrate your databases/systems across one-by-one.
Andy
Matthew Stuart wrote:
Hi all, I am on... wait for it... version 4.0.25 and I want to upgrade
to MySQL 5.x
Is there anything special I should do in order to upgrade? Do I need
to uninstall v4 or can I just download the most current version and
double click to upgrade? I am not particularly hardcore mysql minded,
and quite honestly, if it ain't broke don't fix it is a good mantra of
mine... but I need to move on now as I have received an sql file that
is v5 compatible but not v4 compatible.
Once I have it up and running I'll be fine, it's just that I am
nervous about upgrading and consequently breaking it, and at that
point, I'll be struggling to put it right.
Any advice on how I can best do this / best practices etc will be very
much appreciated.
Many thanks.
Mat
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