05-25-2010
You can configure a NIM server to be a NIM client too. Still, that won't help you in upgrading the first NIM server, as you cannot install a version later than what the NIM server was installed with. You could, though, install all your other NIM servers from the one you install now.
Under "normal" circumstances (in other words: as far as i know ;-) ) there is nothing special to consider in upgrading the system because of its special role.
You could, btw., use the alt_disk_install method even when installing from CDs, which would reduce the downtime of the NIM server and would allow you to revert to the previous state in case something goes wrong.
For security reasons you could varyoff the VG wth the NIM resources (you don't have them in rootvg, do you?) and take an mksysb image from the system before the update, but i suppose you know that yourself.
I hope this helps.
bakunin
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LEARN ABOUT MOJAVE
net::server::multitype5.18
Net::Server::MultiType(3) User Contributed Perl Documentation Net::Server::MultiType(3)
NAME
Net::Server::MultiType - Net::Server personality
SYNOPSIS
use base qw(Net::Server::MultiType);
sub process_request {
#...code...
}
my @types = qw(PreFork Fork Single);
Net::Server::MultiType->run(server_type => @types);
DESCRIPTION
Please read the pod on Net::Server first. This module is a personality, or extension, or sub class, of the Net::Server module.
This personality is intended to allow for easy use of multiple Net::Server personalities. Given a list of server types,
Net::Server::MultiType will require one at a time until it finds one that is installed on the system. It then adds that package to its
@ISA, thus inheriting the methods of that personality.
ARGUMENTS
In addition to the command line arguments of the Net::Server base class, Net::Server::MultiType contains one other configurable parameter.
Key Value Default
server_type 'server_type' 'Single'
server_type
May be called many times to build up an array or possible server_types. At execution, Net::Server::MultiType will find the first
available one and then inherit the methods of that personality
CONFIGURATION FILE
"Net::Server::MultiType" allows for the use of a configuration file to read in server parameters. The format of this conf file is simple
key value pairs. Comments and white space are ignored.
#-------------- file test.conf --------------
### multi type info
### try PreFork first, then go to Single
server_type PreFork
server_type Single
### server information
min_servers 20
max_servers 80
spare_servers 10
max_requests 1000
### user and group to become
user somebody
group everybody
### logging ?
log_file /var/log/server.log
log_level 3
pid_file /tmp/server.pid
### access control
allow .+.(net|com)
allow domain.com
deny a.+
### background the process?
background 1
### ports to bind
host 127.0.0.1
port localhost:20204
port 20205
### reverse lookups ?
# reverse_lookups on
#-------------- file test.conf --------------
PROCESS FLOW
See Net::Server
HOOKS
There are no additional hooks in Net::Server::MultiType.
TO DO
See Net::Server
AUTHOR
Paul T. Seamons paul@seamons.com
SEE ALSO
Please see also Net::Server::Fork, Net::Server::INET, Net::Server::PreFork, Net::Server::MultiType, Net::Server::Single
perl v5.18.2 2012-06-05 Net::Server::MultiType(3)