Gfs Software Components - Red Hat GLOBAL FILE SYSTEM 5.2 Manual

Figure 1.3. GFS and GNBD with Directly Connected Storage

3. GFS Software Components

Table 1.1, "GFS Software Subsystem Components"
components.
Software Component
gfs.ko
lock_dlm.ko
lock_nolock.ko
Table 1.1. GFS Software Subsystem Components
summarizes the GFS software
Description
Kernel module that implements the GFS file system and is
loaded on GFS cluster nodes.
A lock module that implements DLM locking for GFS. It
plugs into the lock harness,
communicates with the DLM lock manager in Red Hat
Cluster Suite.
A lock module for use when GFS is used as a local file
system only. It plugs into the lock harness,
and provides local locking.
lock_harness.ko
GFS Software Components
and
lock_harness.ko
5