[GE users] 6.2u2 qrsh and pipes

pollinger harald.pollinger at sun.com
Tue Jun 2 11:28:24 BST 2009


And I can give you an explanation for this behaviour:

You found the issue 3031, see 
http://gridengine.sunsource.net/issues/show_bug.cgi?id=3031

This bug is fixed and the fix will be in SGE 6.2u3.

Your workaround works because it redirects the output on the remote 
host. You could also just submit:
# qrsh -pty yes "$YOUR_COMMAND | tee $YOUR_FILE"
(make sure to use the right quotes for your shell)

The problem with this workaround is: The $YOUR_FILE is created on the 
remote host. If it is created on a local file system of the remote host, 
you don't have it on your local host.


What you also could do is:
# qrsh -pty no $YOUR_COMMAND | tee $YOUR_FILE

This would redirect the output on the local host, but $YOUR_COMMAND 
doesn't get a pty. I don't know if $YOUR_COMMAND really needs a pty, but 
usually it doesn't.

Regards,
Harald





adary wrote:
> To answer my own question
> 
> In my setup we always have $SGE_FILESDIR set as path to where the logs should be writted.
> 
> I wrote a simple shell script that I call subme.sh:
> 
> #!/bin/sh
> 
> $* |tee $SGE_FILESDIR/$JOB_ID.log
> 
> When the job is submitted:
> 
> qrsh -pty y -b y .... subme.sh application -params ....
> 
> Works perfectly.
> 
> Cheers,
> 
> Y.
> 
> 
> 
> ________________________________
> From: adary [mailto:adary at marvell.com]
> Sent: Tuesday, June 02, 2009 10:04 AM
> To: users at gridengine.sunsource.net
> Subject: [GE users] 6.2u2 qrsh and pipes
> 
> Hi Everyone,
> 
> 
> I ran into an interesting problem
> 
> Our grid was recently upgraded to 6.2u2, and prior to upgrade all qrsh users were used to use qrsh .... |tee logfile
> 
> And this is now broken. At the same time, -o with qrsh doesn't give us the stdout of the application that runs. Any ideas on how to override this behavior?
> 
> 
> ________________________________
> Yuval Adar, Marvell Israel - Senior UNIX System Administrator
> 6 Hamada Street
> Mordot HaCarmel Industrial Park
> Yokneam, 20692, Israel
> Email: adary at marvell.com<mailto:adary at marvell.com>
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-- 
Sun Microsystems GmbH         Harald Pollinger
Dr.-Leo-Ritter-Str. 7         Sun Grid Engine Engineering
D-93049 Regensburg            Phone: +49 (0)941 3075-209  (x60209)
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