HP XP P9500 Storage - Manual (Page 196)

procedure differs depending on whether the host is restarted after
installation.
In steps 12 to 27 that follow, you will edit the configuration file to change
the definition so that the OS starts with HDLM specified.
11
.
Execute the HDLM-configuration definition utility (dlmcfgmgr) with the -v
parameter specified to check the correspondence between the HDLM
device and the SCSI device.
# dlmcfgmgr -v
HDevName Management Device Host Channel Target Lun
/dev/sddlmaa configured /dev/sda 0 0 0 0
KAPL10302-I /sbin/dlmcfgmgr completed normally.
The HDevName column indicates the HDLM device, and the Device column
indicates the SCSI device.
12
.
Edit the /etc/lvm/lvm.conf file so that the LVM2 recognizes the HDLM
device, not the SCSI device.
Figure 3-11 Example of Editing /etc/lvm/lvm.conf file on page 3-128
shows examples of editing the /etc/lvm/lvm.conf file.
Figure 3-11 Example of Editing /etc/lvm/lvm.conf file
Comment out the existing filter and types lines, and add the shaded
lines in the figure.
Set 0 in md_component_detection.
Record the original md_component_detection value, because it is
necessary for uninstallation or upgrade installation of HDLM.
13
.
Create an initial RAM disk image file for HDLM.
From the following, perform the procedure that corresponds to the host
OS.
For the initial RAM disk image file specified in the parameter, assign a
name that is different from all currently used names.
¢
For Red Hat Enterprise Linux 6:
3-128
Creating an HDLM Environment
Hitachi Dynamic Link Manager User Guide (for Linux(R))