You are here

Backup

MySQL Backup, HA und Performance Tuning Schulung in Essen (D)

Zusammen mit dem Linux Hotel bieten wir jetzt auch in Essen MySQL Kurse an. Der erste Kurs findet noch dieses Jahr im Dezember statt:

Recover lost .frm files for InnoDB tables

Recently I found in a forum the following request for help:

To zip, or not to zip, that is the question

Taxonomy upgrade extras: 

Abstract: In this article we have a look at the compression options of common zipping tools and its impact on the size of the compressed files and the compression time. Further we look at the new parallel zip tools which make use of several cores.

MySQL Restore and Recovery methods

Backup is for sissies! Let's have a look what we can do when we are not a sissy...

First of all: Your life is much easier when you have a proper backup process implemented and verified the restore procedure of your MySQL database.

But what if you have no backup in place and did a DROP TABLE. What shall we do?

We assume our data we just dropped are located on the following device:

Undefined

FromDual Software Download

Download from our Software Selector

FromDual provides software for operating MySQL, Galera Cluster, MariaDB and Percona Server.

FromDual Software Selector
Software
Selector

Undefined

DBA wisdoms

Controlling developers is like herding cats.
Kevin Loney, Oracle DBA Handbook

Oh no, it's not. It's much harder than that!
Bruce Pihlamae, long-term Oracle DBA




Do not assume!
Unknown IT specialist




Backups ist was für Warmduscher!
(engl. Backup is for sissies!)
Unkown DBA




Yesterday (the DBA version)

English

Can you trust your MySQL backup?

Today a customer with corrupted data files showed up. When we enquired a bit more he told us that he had a broken I/O controller. This is one of the worst things which can happen to you!

The reason is the following: When a I/O controller starts to die it often does not happen immediately. The controller dies slowly producing more and more corrupt data. When you just write data without checking or reading them it can take days or even weeks until you discover the problem.

MySQL Cluster restore

Recently the question came up if it is faster to restore a MySQL cluster when all nodes are up or only ONE node from each node group during restore.

The answer from our gurus was: All nodes up during restore! I wanted to find out why. So I set up the following cluster and started to measure:

MySQL Cluster set up

Cluster set-up

Pages

Subscribe to RSS - Backup