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24 Dec 2024 13:38:49 EST (-0500)
  distributed rendering (Message 1 to 9 of 9)  
From: junior dball
Subject: distributed rendering
Date: 27 Jun 2005 11:00:00
Message: <web.42c01416bae622d9f47b0bc30@news.povray.org>
Is there any patch for distributed rendering on linux cluster?
I read of SMPOV for windows,but i can't find anything for linux?
Thanks


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From: Christoph Hormann
Subject: Re: distributed rendering
Date: 27 Jun 2005 11:45:01
Message: <d9p6la$9pp$1@chho.imagico.de>
junior_dball wrote:
> Is there any patch for distributed rendering on linux cluster?

None that offers all the features of current POV-Ray.

> I read of SMPOV for windows,but i can't find anything for linux?
> Thanks

SMPOV is a separate program and there are tools that offer similar 
functionality on Unix, for example:

http://www.tu-bs.de/%7Ey0013390/povany/index.html

Christoph

-- 
POV-Ray tutorials, include files, Sim-POV,
HCR-Edit and more: http://www.tu-bs.de/~y0013390/
Last updated 03 May. 2005 _____./\/^>_*_<^\/\.______


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From: junior dball
Subject: Re: distributed rendering
Date: 28 Jun 2005 04:35:01
Message: <web.42c10ab8377f0478f47b0bc30@news.povray.org>
>
> SMPOV is a separate program and there are tools that offer similar
> functionality on Unix, for example:
>
> http://www.tu-bs.de/%7Ey0013390/povany/index.html
>
> Christoph
>

I tried this povany tools,but i had some difficulties to understand its
uses.
After i completed the installation ( the email communication module doesn't
install for some dependencies reason ) i tried to run the povany_pm and
povany_client but nothing really appened.
Let me explain better: both programs were running (i tried to made them run
again but one warning said it was impossible cos they were already running
)
but no .run file was generated.I tried to close them but without
success,they were running after a reboot,too.
can you help me?


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From: Christoph Hormann
Subject: Re: distributed rendering
Date: 28 Jun 2005 05:40:02
Message: <d9r5o1$ojm$1@chho.imagico.de>
junior_dball wrote:
> 
> I tried this povany tools,but i had some difficulties to understand its
> uses.
> After i completed the installation ( the email communication module doesn't
> install for some dependencies reason ) i tried to run the povany_pm and
> povany_client but nothing really appened.
> Let me explain better: both programs were running (i tried to made them run
> again but one warning said it was impossible cos they were already running
> )
> but no .run file was generated.I tried to close them but without
> success,they were running after a reboot,too.

That does not make sense - the install script does not modify anything 
that gets started during system boot and there is no way the tools can 
survive a reboot.

Make sure you read the docs before starting the scripts:

http://www-public.tu-bs.de:8080/~y0013390/povany/docu.html

Note esp. the paragraph:

"All tools by default are started in loop mode. With the -c option you 
can turn this off to run only once. In loop mode the scripts should not 
be stopped by pressing CTRL-C but using the stop mode (-s) of the same 
script. This makes sure the script exits in a clean state."

Once the scripts have been started in loop mode you have to stop them 
with the described method - otherwise they won't start again - even 
after a reboot.

It makes sense to use the verbose mode ('-v') for the scripts when 
starting them for the first time - you will better see how the 
processing works then.

Christoph

-- 
POV-Ray tutorials, include files, Sim-POV,
HCR-Edit and more: http://www.tu-bs.de/~y0013390/
Last updated 03 May. 2005 _____./\/^>_*_<^\/\.______


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From: junior dball
Subject: Re: distributed rendering
Date: 28 Jun 2005 06:05:01
Message: <web.42c1209e377f0478f47b0bc30@news.povray.org>
Here is the error line:

POV-Anywhere Version 0.2 project manager already started - Exiting

The same for the client.
When i send the stop signal both client and manager pause their loops.
How can i restart them again?I think i make some big mistake...


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From: Christoph Hormann
Subject: Re: distributed rendering
Date: 28 Jun 2005 06:15:01
Message: <d9r7uv$p2d$1@chho.imagico.de>
junior_dball wrote:
> Here is the error line:
> 
> POV-Anywhere Version 0.2 project manager already started - Exiting
> 
> The same for the client.

Read what i wrote:

--------------

Note esp. the paragraph:

"All tools by default are started in loop mode. With the -c option you 
can turn this off to run only once. In loop mode the scripts should not 
be stopped by pressing CTRL-C but using the stop mode (-s) of the same 
script. This makes sure the script exits in a clean state."

Once the scripts have been started in loop mode you have to stop them 
with the described method - otherwise they won't start again - even 
after a reboot.

--------------

So if you get the above message (which does not mena the script is 
running, just that it has been started but not yet safely exited) use 
the stop mode and you will be able to start the scripts again.

When you have started the scripts they will render any project added to 
the 'jobs' directory - the project manager will prepare the render tasks 
and the client(s) will render them.

Christoph

-- 
POV-Ray tutorials, include files, Sim-POV,
HCR-Edit and more: http://www.tu-bs.de/~y0013390/
Last updated 03 May. 2005 _____./\/^>_*_<^\/\.______


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From: junior dball
Subject: Re: distributed rendering
Date: 28 Jun 2005 09:20:00
Message: <web.42c14d80377f0478f47b0bc30@news.povray.org>
i read what you wrote and before i read the documentation.

> So if you get the above message (which does not mena the script is
> running, just that it has been started but not yet safely exited) use
> the stop mode and you will be able to start the scripts again.
>
I used the stop mode.
And i when i tried to start the scripts agian i get this message:

Stop signal exsists - exiting

So i tried  to send the stop signal again but the result was the same of my
previous message on this post.


> When you have started the scripts they will render any project added to
> the 'jobs' directory - the project manager will prepare the render tasks
> and the client(s) will render them.
>
> Christoph
>

I'm sorry if i'm boring you,but my knowledge of linux is basic.


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From: Christoph Hormann
Subject: Re: distributed rendering
Date: 28 Jun 2005 09:50:02
Message: <d9rkei$rlq$1@chho.imagico.de>
junior_dball wrote:
> 
> I used the stop mode.
> And i when i tried to start the scripts agian i get this message:
> 
> Stop signal exsists - exiting

Well - right, that's a flaw in the scripts then - you have to manually 
remove the lock files:

~/.povany/pm_stop
~/.povany/pm_status
~/.povany/client_stop
~/.povany/client_status

Christoph

-- 
POV-Ray tutorials, include files, Sim-POV,
HCR-Edit and more: http://www.tu-bs.de/~y0013390/
Last updated 03 May. 2005 _____./\/^>_*_<^\/\.______


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From: junior dball
Subject: Re: distributed rendering
Date: 30 Jun 2005 03:00:00
Message: <web.42c397fe377f0478f47b0bc30@news.povray.org>
Thanks,i removed those files and started a newer installation.
Now all look fine.
Maybe i get a bad file from download.


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