HP Hitachi Dynamic Link Manager Software Licenses - Manual (Page 112)

you can keep the correspondence with the logical device file names once
installation is complete.
4
.
When you execute the dlmsetconf utility for creating the HDLM driver
configuration definition file, and restart the host with the reconfiguration
option specified, the logical device files of the sd or ssd devices to be
managed by HDLM will be deleted. Back up all pertaining to the logical
device files under the /dev/dsk and /dev/rdsk directories to another
directory.
The following shows an example of executing the commands:
# mkdir /var/tmp/bkfile1
# ls -l /dev/dsk > /var/tmp/bkfile1/devices1
# ls -l /dev/rdsk > /var/tmp/bkfile1/devices2
5
.
Unregister the device.
If the device is registered with any cluster software program applications
(other than Volume Manager), unregister it. Since HDLM devices are
accessed with the logical device file names assigned by HDLM, these
applications will no longer be able to access such devices using the logical
device file names currently used.
6
.
Unmount the device.
If the device is mounted, unmount it. Also, if the device is set to be
mounted automatically when the host starts, delete this setting from
the /etc/vfstab file. The following is an example of this command.
¢
Unmounting a device.
First, check the current settings.
# mount -p
The current settings will be output as shown in the following figure.
Figure 3-2 Execution Results of the mount -p Command
The shaded portion shows the device to be managed by HDLM. In the
ZFS file system, execute the following command to export the device
to be managed by HDLM:
# zpool export zpool1
In other file systems, execute the following command to unmount the
device.
3-46
Creating an HDLM Environment
Hitachi Dynamic Link Manager (for Solaris) User Guide