Librenix  
(Show all MySQL articles . . .
)  
Headlines | Linux | Apps | Coding | BSD | Admin | News
Information for Linux System Administration 

DRBD and MySQL: Cheap HA

Up
vote
Down

Low budget high availability for Linux...
The initials stand for Distributed Replicated Block Device. What does that mean exactly? Well the file system is part of your operating system, and it is a layer between the OS and the disk hardware, either a single disk or a disk I/O subsystem such as a RAID. It is exposed to the OS as a block device, and data is read and written in discrete chunks called blocks. The OS issues requests via the filesystem.

Ok, enough about filesystems, and block devices, what's DRBD then? Well it allows you to have a mirror copy of a block device in real-time.
 read more | mail this link | score:7287 | -Ray, December 11, 2009
More Sysadmin articles...

Decorate your home or office with Fine Art

Selected articles

Space Tyrant: Multithreading lessons learned on SMP hardware

MiniLesson: An introduction to Linux in ten commands

Tutorial: Introduction to Linux files

The Supreme Court is wrong on Copyright Case

Download: Linux 3D Client for Starship Traders

Graffiti Server Download Page

 

Firefox sidebar

Site map

Site info

News feed

Features

Login
(to post)

Search

 
Articles are owned by their authors.   © 2000-2012 Ray Yeargin