11.3.1 Unmount

To change the GFS Shared File System, unmount it on all the nodes.

First, stop using the file system by stopping applications.

Then, unmount the file system.

Check if the file system is unmounted properly on all the nodes using sfcrscinfo(8).

See

In order to use the process of the file system, execute fuser(1). For details about the command, see the online manual page.
For information on how to check the file system status using sfcrscinfo(8), see "11.2.7 Checking file system status."

11.3.1.1 Unmount of all nodes

To unmount the file system on all the nodes, use sfcumntgl(8). Execute the command on any one of the nodes where the file system is shared.

See

For details on sfcumntgl(8), see sfcumntgl(8).

When the mount point is specified:

# sfcumntgl /mnt/fs1 <Enter>
   Mount point: /mnt/fs1

When a representative partition is specified:

# sfcumntgl /dev/sfdsk/gfs01/dsk/volume01 <Enter>
   Representative partition: /dev/sfdsk/gfs01/dsk/volume01

If unmounting fails on a node, the name of the node on which the failure occurred is reported.

11.3.1.2 Unmount

To unmount the file system on specific nodes, use sfcumount(8). Execute the command on any one of the nodes where the file system is shared.

See

For details on sfcumount(8), see sfcumount(8).

Unmount the GFS Shared File System on the node as shown below:

When the mount point is specified:

# sfcumount /mnt/fs1 <Enter>
   Mount point: /mnt/fs1

When a representative partition is specified:

# sfcumount /dev/sfdsk/gfs01/dsk/volume01 <Enter>
   Representative partition: /dev/sfdsk/gfs01/dsk/volume01

Note

To unmount the GFS Shared File System, be sure to use sfcumount(8).