This article describes what all occurs when a gfs2 filesystem is unmounted on RHEL 6 and RHEL 7. When a gfs2 filesystem is unmounted there is 3 things that need to occur:
- Remove glocks from glock's locktable.
- Remove DLM locks (or lkb) from the DLM's locktable.
- Remove cached objects from slab memory (objects marked
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