Syncing old server to new - MySQL

We have a web server that is crashing/unstable - and a new server that has been bare-metal installed from a backup from broken server about a week old.  There is, however, new data (both mysql and actual PHP files.)

I'm going to break this up into two questions - this is just for the MySQL.

How would you recommend I go about syncing up just the newer files?  Is there a way for me to just transfer over the relevant MySQL files and doing so will it automatically "update" due to the replacement?  My normal way of doing it would be to go site by site and through phpMyAdmin export the tables/databases...then import them into the databases on the new server...but that will kinda suck.  Is there a quicker/more efficient way of doing it?

Thanks in advance!
Who is Participating?

Improve company productivity with a Business Account.Sign Up

nociConnect With a Mentor Software EngineerCommented:
and in the previously mentioned mysqldump --all-databases  can dump ALL relevant databases.
(i.e. not the dictionary databases).
No database needs to be mentioned then:

mysqldump -u root -p[root_password] --all-databases > dumpfilename.sql

Open in new window

mysqldump -u root -p[root_password] -A > dumpfilename.sql

Open in new window

nociSoftware EngineerCommented:
You should be able to make an export from the old database & import that into the new one.
As long as the tables are NOT the same in the same 'database' you can import data.
Have you try tar up the entire directory (mysql/php) from source and extract it to the target?
A proven path to a career in data science

At Springboard, we know how to get you a job in data science. With Springboard’s Data Science Career Track, you’ll master data science  with a curriculum built by industry experts. You’ll work on real projects, and get 1-on-1 mentorship from a data scientist.

nociSoftware EngineerCommented:
@MAzdajai, that can only be done if the source was halted before the copy is taken
AND more important if the replica doesn't need to be merged into an existing database on the target.

Otherwise you will delete all existing data on the destination.
Create Master/ Slave config and perform the replication once done convert slave in master.

It sound like the new server is not yet in production and the goal is to restore the php and mysqld in the quickest manner. (I could be wrong of course)

IMHO it is easier restore them on the system level versus on the application level... I am not aware you can globally restore all web sites via phpmyadmin.
erzoolanderAuthor Commented:
Nope - the PhPMyAdmin level I was pretty much thinking going on a site by site basis...and you're's not yet in production.  It's still set as a staging server as I'm migrating all of the data over.

I'd LIKE to be as quick as possible about it - so I'm wondering if there's a way to go on to the old server and say "Export everything" from shell/root...and then go to the new server and essentially "restore" with a similar command to re-import everything back in.

My only concern about that - however - is that the system is administered by PLESK...and I'd be afraid that doing a global export might screw something up.  So I'd rather just say Dump databases A, B, C, D and then on the new server import A, B, C, D - leaving everything else in tact.

Is that a decent approach you think - and is there way for me to from root/shell export just a given number of databases/then reimport them?

>>if there's a way to go on to the old server and say "Export everything" from shell/root...and then go to the new server and essentially "restore"
Have you consider my above suggestion? This is a cold dump therefore you would need to stop mysql.

It is not possible to export certain database on the system level. You can only achieve  that with the help of mysqldump binary -

mysqldump -u root -p[root_password] [database_name] > dumpfilename.sql

Open in new window

erzoolanderAuthor Commented:
Question has a verified solution.

Are you are experiencing a similar issue? Get a personalized answer when you ask a related question.

Have a better answer? Share it in a comment.

All Courses

From novice to tech pro — start learning today.