April 2010
Intermediate to advanced
276 pages
6h 16m
English
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Installing DRBD on two Linux servers
In this recipe, we will take two freshly installed CentOS 5.3 servers and configure DRBD to synchronize a LVM logical volume on both nodes, running MySQL. We will demonstrate how to manually failover the service.
Getting ready
Ensure that both nodes are freshly installed and, if possible, have a clean kernel. When you install MySQL, ensure that you are not allocating all of the space to the / logical volume (the default in the CentOS / RHEL installer Anaconda). You can either create the LVM logical volume that DRBD will use during setup, or leave the space unallocated in a volume group and create the logical volume later. You can check the space available in a volume group using the vgs command:
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.