Red Hat CLUSTER SUITE - CONFIGURING AND MANAGING A CLUSTER 2006 Guida di Installazione Scaricare il pdf (Pagina 67)

Chapter 2. Red Hat Cluster Suite Component Summary 57

Function Components Description

gfs_tool Command that conﬁgures or tunes

a GFS ﬁle system. This command

can also gather a variety of

information about the ﬁle system.

lock_harness.ko Implements a pluggable lock

module interface for GFS that

allows for a variety of locking

mechanisms to be used (for

example, the DLM lock module,

lock_dlm.ko).

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_gulm.ko A lock module that implements

GULM locking for GFS. It plugs

into the lock harness,

lock_harness.ko and

communicates with the GULM

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.

GNBD gnbd.ko Kernel module that implements the

GNBD device driver on clients.

gnbd_export Command to create, export and

manage GNBDs on a GNBD

server.

gnbd_import Command to import and manage

GNBDs on a GNBD client.

gnbd_serv A server daemon that allows a node

to export local storage over the

network.

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Red Hat CLUSTER SUITE - CONFIGURING AND MANAGING A CLUSTER 2006 Guida di Installazione Pagina 67