PRIMECLUSTER Global File Services Configuration and Administration Guide 4.1 (Linux)

8.3.2 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

Before change the shared node information, a file system is in mounted of 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 settings, change the corresponding parameters.

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

[Figure Share information for file system attributes]

Selecting node names

In the "Node name" section, select the names of nodes to be shared. Be sure to select at least two nodes.
It is not possible to deselect the local node, the primary MDS and secondary MDS.

Selecting a host name

When you want to select a host name other than the displayed host name, click a <Select> button and then select the host name(s) of the LAN for each node on the screen as below. When selection using <Select> is skipped, the LAN of the current displayed host name is used. The host name for each node already selected cannot be changed.

Primary MDS and secondary MDS

A primary MDS and secondary MDS cannot be changed. If the change is necessary, please delete, and make the file system again.

For an explanation of each parameter, see sfcadm(8) in this manual.

(4) Confirming the sharing-node information change operation

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

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

(5) Mount a file system

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