Comments on High-Availability Storage With GlusterFS On CentOS 5.4 - Automatic File Replication (Mirror) Across Two Storage Servers

This tutorial shows how to set up a high-availability storage with two storage servers (CentOS 5.4) that use GlusterFS. Each storage server will be a mirror of the other storage server, and files will be replicated automatically across both storage servers. The client system (CentOS 5.4 as well) will be able to access the storage as if it was a local filesystem. GlusterFS is a clustered file-system capable of scaling to several peta-bytes. It aggregates various storage bricks over Infiniband RDMA or TCP/IP interconnect into one large parallel network file system. Storage bricks can be made of any commodity hardware such as x86_64 servers with SATA-II RAID and Infiniband HBA.

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By: Wesley Craft

Note that if you do what I did, which is download the LATEST version of GlusterFS, which as of today (9/20/11) is v3.2.3 then the volume file setups specified in this tutorial will not work.

The newer GlusterFS simplifies the configuration through a command line interface, which in my opinion is far superior and seems to work very well.

Otherwise, this is a great how-to and got me started. Thanks!

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CAUTION: Gluster configuration has changed since this article was written. The Refer to the Gluster Information Wiki for the current steps+commands to configure Gluster.