>From what I know (which is admittedly not an extensive fountain of knowledge
with regard to Xgrid) These credentials are used to bind the Xgrid
controller to the AD Kerberos realm in order to enable Kerberos
authentication. The account you use to complete this step MUST be a
directory admin for your network (I bribed one of our admins to help me
complete this step.) In my experience, it doesn't do anything special as
far as creating account or any file shares. It is simply grating your Xgrid
host permission to submit and receive Kerberos-based authentication for
XGrid jobs (which require authentication.)
I think I have that right but I assume other, more knowledgeable members on
the list will correct me if I'm wrong.
John Kinsella
Academic Technology Consultant
University of St. Thomas
----------------------------------------------------------------------
Message: 1
Date: Wed, 19 Dec 2007 10:36:59 -0500
From: Chris Waltham <email@hidden>
Subject: [Xgrid] Configuring Xgrid to use a directory service: what is
the wizard actually doing?
To: email@hidden
Message-ID: <email@hidden>
Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes
When I click on the "Configure Xgrid Service..." button in the Xgrid
action of Server Admin, I am greeted with the "Service Configuration
Assistant - Xgrid Servce: Introduction" screen.
It says:
"This assistant will guide you through setting up your server to host
a grid or join an existing grid. Hosting a grid means that you will be
setting up a controller and an agent on this server. A network
filesystem will also be configured. Joining a grid means that an agent
will be set up on this server and bound to an existing controller.
Before this assistant proceeds your server must have access to a
directory system that provides Kerberos services.
Click Continue to verify that your directory settings are configured
correctly."
When I click the "Continue" button, I am prompted with a screen that
lets me choose between "Host a grid" and "Join a grid". This all seems
fairly straightforward. However, once I proceed past that step and
onto the "Xgrid Service: Authentication" screen, I see the following:
"Please enter a directory administrator username and password for the
following directory: (in my case, /LDAPv3/127.0.0.1) If you would like
to configure the network filesystem later you may leave the username
and password blank."
Perhaps the last sentence for that is a hint. However, I very much
want to know what those credentials are used for. If I'm using Active
Directory instead of Open Directory, what happens? Is the Xgrid wizard
going to create accounts on my Domain Controllers? Or even setup file
shares for itself? Or is it merely doing some sanity checks?
Does anyone know? Thanks in advance!
Chris
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