PRIMECLUSTER Global File Services Configuration and Administration Guide 4.2 (Solaris(TM) Operating Environment)

21.3.3 Changing the shared node information

The following describes the procedure for changing sharing-node information using the GFS Management View.

(1) Unmount a file system

To change the shared node information, the file system must be unmounted on all nodes.

(2) Selecting a file system

From the [Mount tree] or [Filesystem 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 go to [Share information] screen using the screen-switching tab.

(3) Changing share information

In the [Share information] screen, the information on the nodes sharing the file system can be changed.

To change the settings, change the corresponding parameters.

To restore the settings to their previous values, click the <Reset> button.

[Figure Share information for file system attributes]

Selecting node names

In the "Node name" column, select the names of the sharing nodes. Be sure to select at least two nodes.
It is not possible to deselect the local node, the primary MDS or the secondary MDS.

Selecting a host name

Select the LAN host name that uses for adding node on the screen in the figure below that appears by clicking <select> button, when you want to select other host name that don't display on current screen or when you want to select two or more host names. In the "Host name" column, select the LAN host name for the new hosts. All host names will be display on pop up panel when selected two or more host name and forces on host name with mouse cursor.

The host name for each node already selected cannot be changed.

Primary MDS and secondary MDS

The primary MDS and secondary MDS cannot be changed. If a change is necessary, the file system must be deleted and re-created.

For an explanation of each parameter, see the explanation of sfcadm(1M) in Appendix F.2.2, "sfcadm(1M)."

[Figure Host Name Selection Wizard]

Select the LAN host name that uses it from a left Candidate host names and add it to a right Selection host names. And decide the priority level of the selected host name with <Up> and <Down> button, when there are two or more selection host names. The host name arranged up is used by priority.

(4) Confirming the sharing-node information change operation

To execute the sharing-node information change operation, click the <Apply> button.

To close the [File System Attributes] screen, click the <Exit> button.

(5) Mount a file system

After completion of the file system attributes change operation, mount the file system.