URGENT! up2date -u deleted mysql...safest way to recover on production server

[Ian M. Evans]

Decided to run up2date -u

I noticed that our website was tossing off mysql errors. Quickly 
realized that mysql was down. Went to restart but it couldn't find 
mysqld_safe, mysqld, mysqladmin, etc.


I used locate and it couldn't find the binaries anywhere...it appears 
that up2date -u had somehow uninstalled MySQL 4.0.27.


I have the rpms...

The /var/lib/mysql/mysite database directory is fine as is the 
/var/lib/mysql/mysql database directory with all the permissions 
(columns_priv.MYD  columns_priv.MYI  columns_priv.frm  db.MYD  db.MYI 
db.frm  func.MYD  func.MYI  func.frm  host.MYD  host.MYI  host.frm 
tables_priv.MYD  tables_priv.MYI  tables_priv.frm  user.MYD  user.MYI 
user.frm)


What's the safest way to reinstall the rpms and have it 
use/find/whatever the permissions database without it creating a new one?


Thanks...guess I'm drinking coffee until I get this done!



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Re: URGENT! up2date -u deleted mysql...safest way to recover on production server

[Ian M. Evans]

Glyn Astill wrote:

I'd back up the data directories then try and then re-install mysql (sorry, I 
know little about red hat and it's package management). It shouldn't overwrite 
your data if it's already present anyway.


Great. Thought that would be the case, but without sleep, I wasn't sure. :-)

Worked fine.

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