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Setting Up An Active/Active Samba CTDB Cluster Using GFS & DRBD (CentOS 5.5)

Dec 03, 2010, 20:04 (0 Talkback[s])

[ Thanks to Falko Timme for this link. ]

"This article explains how to set up an Active/Active Samba CTDB Cluster, using GFS and DRBD. Prepared by Rafael Marangoni, from BRLink Servidor Linux Team.

"Introduction

"We use two nodes, both are active nodes, and the requests are loadbalanced. To replicate data between the nodes we use DRBD. To active/active cluster, we must use a ClusterFS (in this case GFS), to make the two nodes to write on the DRBD resource at same time.

"1 Preliminary Note

"Linux Distribution:

"We are using the CentOS 5.5 (64bits) distribution, but will probably work on Fedora (and Red Hat, for sure). The installation of the CentOS is very simple and classical, select the base packages and other stuff that you like/need. One issue that must be remembered is that we use DRBD to replicate data between the nodes, then you'll need to have a disk or partition exclusive to DRBD. Remember this before partitioning disks on CentOS installation."

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