Managing Serviceguard 14th Edition, June 2007

Building an HA Cluster Configuration
Preparing Your Systems
Chapter 5218
The quorum server executable file, qs, is installed in the /usr/lbin
directory. When the installation is complete, you need to create an
authorization file on the server where the QS will be running to allow
specific host systems to obtain quorum services. The required pathname
for this file is /etc/cmcluster/qs_authfile. Add to the file the names
of all cluster nodes that will access cluster services from this quorum
server. Use one line per node, as in the following example:
ftsys9.localdomain.com
ftsys10.localdomain.com
To allow access by all nodes, enter the plus character (+) on its own line.
Running the Quorum Server
The quorum server must be running when you use cmquerycl or
cmapplyconf.
By default, quorum server run-time messages go to stdout and stderr.
It is suggested that you create a directory /var/adm/qs, then redirect
stdout and stderr to a file in this directory, for example,
/var/adm/qs/qs.log.
You must have root permission to execute the quorum server. On a single
system, configure the quorum server to start up any time the system on
which it is installed restarts or reboots. Do this by creating an entry like
the following in the /etc/inittab file:
qs:345:respawn:/usr/lbin/qs >> /var/adm/qs/qs.log 2>&1
Start the quorum server as follows:
init q
When the command is complete, the prompt appears.
Verify the quorum server is running by checking the qs.log file.
cat /var/adm/qs/qs.log
The log should contain entries like the following indicating the quorum
server has started:
Oct 04 12:25:06:0:main:Starting Quorum Server
Oct 04 12:25:09:0:main:Server is up and waiting for connections
at port 1238