Re: [Condor-users] Condor - condor_schedd daemon per pool or what?

[Sassy Natan <sassyn@xxxxxxxxx>]

Anyone? Thanks


On Wed, Jul 6, 2011 at 5:01 PM, Sassy Natan <sassyn@xxxxxxxxx> wrote:
> Hi All,
>
> I need to know I get it right:
> In the examples and document of Condor, they basic condor pool will be
> based as the following:
> 1. A Machine known as the Central Manager: Running the
> master,collector and negotiator daemons. - host name: Master
> 2. An Execute Machine: Running the master and the startd daemons. -
> host name: Execute01 and  Execute02
> 3. A Regular Machine: Running the master, startd and schedd daemons: -
> host name: Regular01 and Regular02
>
> My question start here: If I I have two Regular Machines, what is the
> use of having two different queues per one pool?.
> To make myself more clear: we have two schedd daemons: one in
> Regular01 and one in Regular02. And based on the quote "Each machine
> running
> condor_schedd maintains its own independent queue" we have two queue the pool.
>
> So when users are login to Regular01 while other to Regular02,
> submitting there jobs to the condor pool, I don't understand how can I
> control my queue? I don't want to manage two differences queue, but a
> global one.
>
> If I take out the schedd from one of the Regular machine, say
> Regular01, I can't commit jobs to the pool.
> Well, this is almost true, since I can submit with a remote job using
> the -n switch, but then I don't get what is the use
> of having two schedd daemons running on two different machines in the
> same pool (Unless off course you want to
> have some load balancing  for the schedd daemons, but then again the
> ll point of having a load balancing schedd is for save the status of
> the co-existing queue).
>
> And what If I don't want to specify the -n switch to each relevant
> condor commands (like condor_q, condor_rm etc...).
> And besides from a user perspective, not Admin one, I don't have any
> clue what it the schedd hostname.
>
> I saw there is an option for configuring the SCHEDD_NAME and
> SCHEDD_ADDRESS_FILE options.
> But I'm not sure I got it right. When point the name and the file to
> my schedd (which is based on my example
> in Regular02) I still get error and must point manually to the
> Regular02 host name. (And I did put @ at the end of the SCHEDD_NAME.
>
> If someone can help it will be great :)
> Thanks
> Sassy
>