NEC Express5800/R320a-E4 User Manual page 274

8-42 System Upgrade
N8803-035 Fibre Channel Board Set
List of slots to install optional PCI boards
"List of option PCI boards and installable slots" on page 8-.32.
Driver installation
You do not need to install the driver for N8803-035 because it is included in the OS. However,
you may need to add the following contents into /etc/modprobe.conf depending in your
environment.
<N8190-119>
options lpfc lpfc_topology=0
<Other cases>
options lpfc lpfc_topology=6
After configuring above, use the following command to to reboot the system.
(1) #sync
(2) #reboot
Configuration of path duplexing
IMPORTANT:
This operation must be executed by only root user.
1. Execute following command to create multi path devise.
Executing this command, dm devise of md-N and dm-mp devise (symbolic link to dm devise)
of mapper/mpathN and mappaer/mpathNpM (N and M is natural number except 1) are create
under /dev.
Then sd devise of FibreChannel is made virtualization by each path.
mpathN is Nth LUN, mpathNpM is Mth partition.
2. Execute following command, and then begin path watch daemon (multipathd).
3. Execute following command, path condition of each dm-mp devise can be displayed.
Altering procedure in running System
procedure
# multipath
# chkconfig multipathd on
# /etc/init.d/multipathd start