Red Hat GFS 6.1 -, Руководство администратора

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32 Chapter 5. Managing GFS
Flag Parameter Description
-r
MegaBytes
Specifies the size of the resource groups in
megabytes. Default resource group size is 256
megabytes.
-s
Blocks
Specifies the journal-segment size in file-system
blocks.
-t
LockTableName
This parameter has two parts separated by a
colon (no spaces) as follows:
ClusterName:FSName
.
ClusterName
is the name of the Red Hat
cluster for which the GFS file system is being
created. The cluster name is set in the
/etc/cluster/cluster.conf
file via the
Cluster Configuration Tool
and displayed at
the Cluster Status Tool in the Red Hat
Cluster Suite cluster management GUI.
FSName
, the file-system name, can be 1 to 16
characters in length, and the name must be
unique among all file systems in the cluster.
-V
Displays command version information.
Table 5-1. Command Options:
gfs_mkfs
5.2. Mounting a File System
Before you can mount a GFS file system, the file system must exist (refer to Section 5.1
Making a File System ), the volume where the file system exists must be activated, and
the supporting clustering and locking systems must be started (refer to Chapter 4 Getting
Started and Red Hat Cluster Suite Configuring and Managing a Cluster ). After those re-
quirements have been met, you can mount the GFS file system as you would any Linux file
system.
To manipulate file ACLs, you must mount the file system with the
-o
acl
mount option.
If a file system is mounted without the
-o
acl
mount option, users are allowed to view
ACLs (with
getfacl
), but are not allowed to set them (with
setfacl
).
5.2.1. Usage
Mounting Without ACL Manipulation
mount -t gfs
BlockDevice MountPoint