Binary package “gfs2-utils” in ubuntu trusty
Global File System 2 - filesystem tools
The Global File System allows a cluster of machines to concurrently access
shared storage hardware like SANs or iSCSI and network block devices. GFS
can be deployed to build high-availability services without the single point
of failure of a file server.
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This package contains tools for creating and managing global file systems.
GFS itself is a set of kernel modules.