The following describes the procedure for changing file system attributes using the GFS Management View.
Changing the file system attributes includes changing the mount information.
(1) Unmounting a file system
Before changing the file system attribute, unmount the file system on all the nodes.
See
For information on how to unmount the file system using a command, see "11.3.1 Unmount."
(2) Selecting a file system
From the [Mount tree] or [File system information] field in the main screen, select the file system you want to change. Only file systems of the sfcfs type can be selected.
Click [Change Attributes] on the [Operation] menu, and the [File System Attributes] screen appears.
From the [File System Attributes] screen, the [Mount information], [Share information], and [Detailed information] can be selected using the screen switching tabs.
(3) Changing the mount information
In the [Mount information], the mount information can be changed.
To change the settings, change the corresponding parameters.
To restore the settings to their previous values, click the <Reset> button.
To execute the mount information change operation, click the <Apply> button.
Specify the full path name of a mount point in the [Mount point] field. If [yes] is selected for [Make directory], a directory is created with the following attributes:
Owner: root
Group: sys
Access permissions: 775
Figure 10.13 Mount information for file system attributes
See
The above each mount option corresponds to mount option of sfcmount(8) as follows:
[setuid execution disabled]: nosuid
[RO mount]: ro
[noatime]: noatime
[auto mount disabled]: noatrc
For details about the parameters, see sfcmount(8).
Note
If you change the mounting information by clicking the <Apply> button, the GFS Management View will automatically add the information in /etc/fstab.
The mount option strictatime cannot be specified with the GFS Management View. When specifying strictatime, directly edit /etc/fstab of all the nodes that share a file system after clicking the <Apply> button.
(4) Changing detailed information
In the [Detailed information], tune the file system.
To change the settings, change the corresponding parameters.
To restore the settings to their previous values, click the <Reset> button.
To execute the detailed information change operation, click the <Apply> button.
Figure 10.14 Detailed information for file system attributes
See
The variable parameter of detailed information corresponds to the tuning parameter of the GFS Shared File System as follow:
[Communication timeout]: CON_TIMEOUT
[Communication protocol]: SFCFS_IPV6
For details about the tuning parameter, see "14.1.2 Communication timeout value" and "14.1.3 Communication protocol" in this manual.
(5) Mounting a file system
After the completion of the file system attribute change operation, a file system is in mounted.
See
For information on how to mount the file system using a command, see "11.2.6 Mount."
