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Re: [Condor-users] Condor-G Features
- Date: Mon, 12 May 2008 22:50:04 -0500 (CDT)
- From: Steven Timm <timm@xxxxxxxx>
- Subject: Re: [Condor-users] Condor-G Features
Steven C. Timm, Ph.D (630) 840-8525
Fermilab Computing Division, Scientific Computing Facilities,
Grid Facilities Department, FermiGrid Services Group, Assistant Group Leader.
On Tue, 13 May 2008, txcom2003@xxxxxxxxxxxxxxxxxxx wrote:
Hello There ....
I have installed Condor-G which bundled with condor 7.0.1 and now it can
submit job to Globus.
I have some question According to two condor-G features : check point and
1. Condor-G doesn't support check point.
When Condor-G submit to Globus, condor-G can submit job type "Condor"
which use "Standard Universe". And "Standard universe" supports "Check
point". So I think condor-G also support Check point but not directly
(when we use condor as local scheduler). Is that true ?
I have heard of people who have done this--i.e. override the universe
type that is submitted on the remote end so it is standard rather
than vanilla, which is the default. I have never done it myself.
And at best you could only checkpoint/restart on the remote end, if
they happen to be running a checkpoint server, which many grid sites
don't. Doesn't help if the whole remote globus resource is down.
2. Condor-G doesn't support Matchmaking
In manual, condor not support matchmaking but can use Glide-In mechanism
to run condor daemons (startd) on remote resource, so matchmaking can be
done in this way. Is there any other mechanism now that can be used beside
Glide-In (in currently version of condor-G) ?
There is condor-G matchmaking, in
which instead of saying
But if you do that, you have to somehow produce a list of
condor Classads that describe the clusters. That is not included
with Condor. Various grids have come up with their own.
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