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The new GFS2 file system will be available as a “tech preview” (not production ready) in RHEL5. See question “What improvements will GFS2 have over GFS(1)?

April 26, 2017file gfs2 improvements production ready RHEL5 system

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The new GFS2 file system will be available as a “tech preview” (not production ready) in RHEL5. See question “What improvements will GFS2 have over GFS(1)?

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Some of the less noticed internal changes: • A lot of code has been moved from the kernel to userland for better system integrity and easier debugging. • New group daemons will run: groupd, gfs_controld, dlm_controld. • The new cluster infrastructure is built on top of openais clustering technology. • Openais uses multicast rather than broadcast packets for better efficiency. • DLM and GFS2 are now part of the base kernel. They were accepted into the 2.6.18 upstream kernel by kernel.org. • Lots of little improvements.