Re: [Condor-users] Checking .NET

["Anton Kucherov" <anton-k@xxxxxxxxxx>]

Hi,

I'll try to explain. Let's say there is company X that makes software,
and there is company Y that buys that software. Both companies Y and X
have Condor pools. Company X's software needs .NET. Now, while I can
configure company X's pool's cron capabilities, I can't do that on the
other company's pool. Basically, they won't agree to make massive
changes in their pool for just one product. 
So, is it possible to check the .NET in the pool without making a large
scale(changing each startd is large scale...) change in it?

Regards,

Anton Kucherov

-----Original Message-----
From: condor-users-bounces@xxxxxxxxxxx
[mailto:condor-users-bounces@xxxxxxxxxxx] On Behalf Of Nick LeRoy
Sent: Thursday, January 12, 2006 4:55 PM
To: Condor-Users Mail List
Subject: Re: [Condor-users] Checking .NET

On Thu January 12 2006 12:35 am, Anton Kucherov wrote:
> Hi All,
Hello,

> One of our programs that uses Condor needs .NET. Without .Net the 
> program crashes. Currently, what I do is count the number of fails on 
> each machine and if it fails more then X times I stop submitting to it

> (to prevent the software from using PCs that are not useful and thus 
> easting computer power). But I'm looking for a better solution.
>
> Is there a way to check if .NET is installed on each executing machine

> (for example by using ClassAds) without making changes in Condor's 
> configuration in each machine in the pool?
>
> I know how to do that by configuring each startd's cron capabilities,

This is what we would generally reccomend; I don't understand your
objection to it.  It's been used for this type of task in quite a few
setups.

> but what I need is to do it as centralized as possible, preferably the

> change should be built into the company's software.

I don't understand what you mean by this.

> Another way of doing
> it centralized (but extremely non effective) is submitting a job that 
> will check whether each executing machine  has Condor or not and then,

> according to the answers. Then the submit file will be changed 
> dynamically according to the outputs. Of course that means LOTS of 
> traffic.

How would this be preferable to using the cron mechanism?

> By the way, does anyone know if there is a way to change a job's 
> requirements without removing it from the queue and resending it?

Look at condor_qedit

I hope this helps at least a bit...

-Nick

-- 
           <<< Welcome to the real world. >>>
 /`-_    Nicholas R. LeRoy               The Condor Project
{     }/ http://www.cs.wisc.edu/~nleroy  http://www.cs.wisc.edu/condor
 \    /  nleroy@xxxxxxxxxxx              The University of Wisconsin
 |_*_|   608-265-5761                    Department of Computer Sciences
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