[slurm-users] salloc with bash scripts problem

[Mahmood Naderan]

Chris,
Can you explain why I can not get a prompt on a specific node while I have
passed the node name to salloc?

[mahmood at rocks7 ~]$ salloc
salloc: Granted job allocation 268
[mahmood at rocks7 ~]$ exit
exit
salloc: Relinquishing job allocation 268
[mahmood at rocks7 ~]$ salloc --nodelist=compute-0-2
salloc: Granted job allocation 269
[mahmood at rocks7 ~]$ exit
exit
salloc: Relinquishing job allocation 269
[mahmood at rocks7 ~]$ grep SallocDefaultCommand /etc/slurm/slurm.conf
#SallocDefaultCommand = "xterm"
[mahmood at rocks7 ~]$



As you can see the default SallocDefaultCommand is commented. So, I
expected to override the default command.


Regards,
Mahmood




On Sun, Dec 30, 2018 at 9:11 PM Mahmood Naderan <mahmood.nt at gmail.com>
wrote:

> So, isn't possible to override that "default"? I mean the target node. In
> the faq page it is possible to change the default command for salloc, but I
> didn't see your confirmation.
>
>
> I really have difficults with interactive jobs that use x11 or binary
> files or bash scripts. For some of them, srun doesn't work while salloc
> works. On the other hand with srun I can choose a target nide while I can't
> do that with salloc.
>
> Has anybody faced such issues?
>
> On Sun, Dec 30, 2018, 20:15 Chris Samuel <chris at csamuel.org> wrote:
>
>> On 30/12/18 7:16 am, Mahmood Naderan wrote:
>>
>> > Right...
>> > I also tried
>> >
>> > [mahmood at rocks7 ~]$ salloc --nodelist=compute-0-2 -n 1 -c 1 --mem=4G
>> -p
>> > RUBY -A y4
>> > salloc: Granted job allocation 199
>> > [mahmood at rocks7 ~]$ $
>> >
>> > I expected to see the compute-0-2 prompt. Is that normal?
>>
>> By default salloc gives you a shell on the same node as you ran it on,
>> with a job allocation that you can access by srun.
>>
>> You can read more about interactive shells here:
>>
>> https://slurm.schedmd.com/faq.html#prompt
>>
>> All the best,
>> Chris
>> --
>>   Chris Samuel  :  http://www.csamuel.org/  :  Melbourne, VIC
>>
>>
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