Red Hat GFS 5.2.1 -, Administrator'S Manual

Page: 97 / 192

Chapter 9.
Managing GFS
This chapter describes the tasks and commands for managing GFS and consists of the following
sections:
•
Section 9.1 Making a File System
•
Section 9.2 Mounting a File System
•
Section 9.3 Unmounting a File System
•
Section 9.4 GFS Quota Management
•
Section 9.5 Growing a File System
•
Section 9.6 Adding Journals to a File System
•
Section 9.7 Direct I/O
•
Section 9.8 Data Journaling
•
Section 9.9 Configuring
atime
Updates
•
Section 9.10 Suspending Activity on a File System
•
Section 9.11 Displaying Extended GFS Information and Statistics
•
Section 9.12 Repairing a File System
•
Section 9.13 Context-Dependent Path Names
•
Section 9.14 Shutting Down a GFS Cluster
•
Section 9.15 Restarting a GFS Cluster
9.1. Making a File System
Making a GFS file system is one of the final tasks in the process of configuring and setting up a
GFS cluster. (Refer to Chapter 4 Initial Configuration for more information.) Once a cluster is set
up and running, additional GFS file systems can be made and mounted without additional cluster-
configuration steps.
A file system is created on a block device, which is usually an activated Pool volume. (Refer to Chapter
5 Using the Pool Volume Manager for further details.) The following information is required to run
the
gfs_mkfs
command:
•
Lock protocol/module name (for example,
lock_gulm
)
•
Cluster name (from
cluster.ccs
)
•
Number of nodes that may be mounting the file system