Red Hat GFS 6.1 -, Руководство администратора

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56 Chapter 5. Managing GFS
Target
Specifies an existing file or directory on a file system.
LinkName
Specifies a name to represent the real file or directory on the other end of the link.
For a Variable Symbolic Link
ln
-s
Variable LinkName
Variable
Specifies a special reserved name from a list of values (refer to Table 5-5) to represent
one of multiple existing files or directories. This string is not the name of an actual
file or directory itself. (The real files or directories must be created in a separate step
using names that correlate with the type of variable used.)
LinkName
Specifies a name that will be seen and used by applications and will be followed to
get to one of the multiple real files or directories. When
LinkName
is followed, the
destination depends on the type of variable and the node or user doing the following.
Variable Description
@hostname
This variable resolves to a real file or directory named with
the hostname string produced by the output of the following
command:
echo ‘uname -n‘
@mach
This variable resolves to a real file or directory name with the
machine-type string produced by the output of the following
command:
echo ‘uname -m‘
@os
This variable resolves to a real file or directory named with
the operating-system name string produced by the output of
the following command:
echo ‘uname -s‘
@sys
This variable resolves to a real file or directory named with
the combined machine type and OS release strings produced
by the output of the following command:
echo ‘uname
-m‘_‘uname -s‘
@uid
This variable resolves to a real file or directory named with
the user ID string produced by the output of the following
command:
echo ‘id -u‘