Are you using only MyISAM or InnoDB tables? With the InnoDB tables you have
the possibility of data not yet being committed. Either way, unless you can
flush, lock and perform the dump and transfer all in one swoop you risk
incosistency using this method. 

-----Original Message-----
From: Ben Ricker
To: [EMAIL PROTECTED]
Sent: 5/18/04 2:14 PM
Subject: Doing MySQl DB File backups






I am working on doing backups of a MySQl server that is running approx
20
databases. Our failover is to do a nightly scp of all /data directory
from
one server to the backup. I know that replication or mysqldump would be
best, but I do not want to get into that.

My question is what is the best way to make sure that the files that are
transferred are the latest data at the time of the scp? Does MySQL write
to
the data files when changes are made? Are they buffered?

I though that a "mysqladmin refresh" before doing the scp might make a
difference but I cannot verify it. Can someone enlighten me on this?

Thanks,

Ben Ricker



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