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 DEBIAN
carton-install
CARTON-INSTALL(1p) User Contributed Perl Documentation CARTON-INSTALL(1p)
NAME
carton-install - Install the dependencies
SYNOPSIS
carton install [--deployment] [--path=PATH] [modules...]
DESCRIPTION
Install the dependencies for your application. This command has two modes and the behavior is slightly different.
DEVELOPMENT MODE
carton install (no arguments)
If you run "carton install" without any arguments and if cpanfile exists, carton will scan dependencies from cpanfile and install the
modules.
In either way, if you run "carton install" for the first time (i.e. carton.lock does not exist), carton will fetch all the modules
specified, resolve dependencies and install all required modules from CPAN.
If carton.lock file does exist, carton will still try to install modules specified or updated in cpanfile, but uses carton.lock for the
dependency resolution, and then cascades to CPAN.
carton will analyze all the dependencies and their version information, and it is saved into carton.lock file. It is important to add
carton.lock file into a version controlled repository and commit the changes as you update your dependencies.
DEPLOYMENT MODE
If you specify the "--deployment" command line option or the carton.lock exists and cpanfile does not exist, carton will fetch all remote
modules and use the dependencies specified in the carton.lock instead of resolving dependencies.
CONSERVATIVE UPDATE
"carton install" doesn't update the modules already installed into local library path as long as the version is satisfied.
For example, one day you install URI-1.50 from CPAN:
> carton install URI
Successfully installed URI-1.50
Few weeks later, URI module is updated to 1.51 on CPAN. If you run the "carton install URI" again:
> carton install URI
You have URI (1.50)
because you haven't specified the version number, carton won't update the module in your local library path.
WARNINGS: following commands are not implemented
If you want to update to the latest version of CPAN, you can either use "carton update" command, or specify the required version either in
your cpanfile.
> carton update URI
> cat cpanfile
requires 'URI', 1.51;
Any of those will upgrade URI to the latest one from CPAN, and the version specified in the carton.lock will be bumped.
OPTIONS
--deployment
Force the deployment mode and carton will ignore cpanfile contents.
--path
Specify the path to install modules to. Defaults to local in the current directory.
perl v5.14.2 2012-05-12 CARTON-INSTALL(1p)