Red Hat GLOBAL FILE SYSTEM 5.2 Guida di Installazione Scaricare il pdf (Pagina 15)

Figure 1.3. GFS and GNBD with Directly Connected Storage

3. GFS Software Components

Table 1.1, “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.

Table 1.1. GFS Software Subsystem Components

GFS Software Components

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 57 58

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Red Hat GLOBAL FILE SYSTEM 5.2 Guida di Installazione Pagina 15