Red Hat Summit2.3. GFS Software Components
Table 2.1, “GFS Software Subsystem Components” summarizes the GFS software components.
| Software Component | Description |
|---|---|
gfs.ko | Kernel module that implements the GFS file system and is loaded on GFS cluster nodes. |
lock_dlm.ko | A lock module that implements DLM locking for GFS. It plugs into the lock harness, lock_harness.ko and communicates with the DLM lock manager in Red Hat Cluster Suite. |
lock_nolock.ko | A lock module for use when GFS is used as a local file system only. It plugs into the lock harness, lock_harness.ko and provides local locking. |
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