Adding Multipathd To The Boot Sequence; Creating And Configuring The /Etc/Multipath.conf File - Novell LINUX ENTERPRISE SERVER 10 SP2 - STORAGE ADMINISTRATION GUIDE 05-15-2009 Administration Manual

For example, if your system contains a RAID controller accessed by the
multipathed devices connected to a QLogic* controller accessed by the driver qla2xxx, this entry
would look like:
INITRD_MODULES="cciss"
Because the QLogic driver is not automatically loaded on start-up, add it here:
INITRD_MODULES="cciss qla23xx"
After having changed
/etc/sysconfig/kernel
with the command
mkinitrd
When you are using LILO as a boot manager, reinstall it with the command
action is required if you are using GRUB.

5.4.4 Adding multipathd to the Boot Sequence

Use either of the methods in this section to add multipath I/O services (
sequence.
"YaST" on page 55
"Command Line" on page 55
YaST
1 In YaST, click System > System Services (Runlevel) > Simple Mode.
2 Select multipathd, then click Enable.
3 Click OK to acknowledge the service startup message.
4 Click Finish, then click Yes.
The changes do not take affect until the server is restarted.
Command Line
1 Open a terminal console, then log in as the
2 At the terminal console prompt, enter
insserv multipathd

5.4.5 Creating and Configuring the /etc/multipath.conf File

The
/etc/multipath.conf
packages/multipath-tools/multipath.conf.synthetic
file that you can use as a guide for multipath settings. See
multipath.conf
packages/multipath-tools/multipath.conf.annotated
comments for each of the attributes and their options.
"Creating the multipath.conf File" on page 56
"Verifying the Setup in the etc/multipath.conf File" on page 56
"Configuring User-Friendly Names or Alias Names in /etc/multipath.conf" on page 57
"Blacklisting Non-Multipathed Devices in /etc/multipath.conf" on page 57
, you must re-create the
, then reboot in order for the changes to take effect.
user or equivalent.
root
file does not exist unless you create it. The
driver and
cciss
on your system
INITRD
. No further
/sbin/lilo
) to the boot
multipathd
/usr/share/doc/
file contains a sample
/etc/
/usr/share/doc/
for a template with extensive
Managing Multipath I/O for Devices 55