PRIMECLUSTER Global File Services Configuration and Administration Guide 4.1 (Solaris(TM) 10 Operating System)

10.3.1 Changing the file system attributes

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.

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 Attribute] 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] screen, 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 Mount information for file system attributes]

The above each mount option corresponds to mount option of mount_sfcfs(1M) as follows:

• [setuid execution disabled]: nosuid
• [RO mount]: ro
• [noatime]: noatime
• [auto mount disabled]: noauto

For details about the parameters, see mount_sfcfs(1M).

If you change the mounting information by clicking the <Apply> button, the GFS Management View will automatically add the information in /etc/vfstab.

(4) Changing detailed information

In the [Detailed information] screen, 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 Detailed information for file system attributes]

The variable parameter of detailed information corresponds to the tuning parameter of the GFS Shared File System as follow:

• [Communication timeout]: CON_TIMEOUT

For details about the parameter, see "14.1.2 Communication timeout value".

(5) Mounting a file system

After the completion of the file system attribute change operation, a file system is in mounted.

For information on how to mount the file system using a command, see "11.2.4 Mount".