How to setup GFS on RHEL/CentOS/Fedora

Mezgani blog - A Linux System Engineer Blog

A clustered file system or SAN file system, is an enterprise storage file system which can be shared (concurrently accessed for reading and writing) by multiple computers. Such devices are usually clustered servers, which connect to the underlying block device over an external storage device. Such a device is commonly a storage area network (SAN).
Examples of such file systems:
* GFS : The Red Hat Global File System
* GPFS : IBM General Parallel File System
* QFS : The Sun Quick File System
* OCFS : Oracle cluster file system
In the rest of tutorial we will focus on GFS2 file system the new version of GFS file system, and how to mount a shared disk on a Fedora, Red Hat or CentOS. GFS (Global File System) is a cluster file system. It allows a cluster of computers to simultaneously use a block device that is shared between…

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