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GFS2 is a clustered file system in which data is shared among GFS2 nodes with a single, consistent, and coherent view of the file system name space. Processes on different nodes may work with GFS2 files in the same way that processes on 1 node can share files in a local file system.
CLVM provides certain Logical Volume Manager, version 2 (LVM2) features cluster-wide while retaining all the existing LVM2 features for single-node operation. The logical volumes created with CLVM make logical volumes available to all nodes in a cluster.
Clustered Samba enables exporting of a GFS2 file system through 1 or more nodes in the cluster in an active/passive or active/active configuration to provide a highly available Samba service. This technology, currently in tech preview, will allow Red Hat Enterprise Linux servers to provide robust storage for Microsoft clients.
Contact Red Hat Sales to learn more about or buy the Resilient Storage Add-On.
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