I want to know if there any any way to push the node selection part on slurm and not a manual thing that is done by user. Currently, I have to manually ssh to a node and try to "allocate resources" using salloc.
Regards, Mahmood On Wed, Jan 2, 2019 at 5:54 PM Henkel, Andreas <hen...@uni-mainz.de> wrote: > Hi, > As far as I understand salloc is used to make allocations but initiate a > shell (whatever the sallocdefaultcommand specifies) on the node you called > salloc. If you’re looking for an interactive session you‘ll probably have > to use srun --pty xterm . This will allocate the resources AND initiate a > shell on one of the allocated nodes. > Best > Andreas > > Am 02.01.2019 um 14:43 schrieb Mahmood Naderan <mahmood...@gmail.com>: > > 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@rocks7 ~]$ salloc > salloc: Granted job allocation 268 > [mahmood@rocks7 ~]$ exit > exit > salloc: Relinquishing job allocation 268 > [mahmood@rocks7 ~]$ salloc --nodelist=compute-0-2 > salloc: Granted job allocation 269 > [mahmood@rocks7 ~]$ exit > exit > salloc: Relinquishing job allocation 269 > [mahmood@rocks7 ~]$ grep SallocDefaultCommand /etc/slurm/slurm.conf > #SallocDefaultCommand = "xterm" > [mahmood@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...@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 <ch...@csamuel.org> wrote: >> >>> On 30/12/18 7:16 am, Mahmood Naderan wrote: >>> >>> > Right... >>> > I also tried >>> > >>> > [mahmood@rocks7 ~]$ salloc --nodelist=compute-0-2 -n 1 -c 1 --mem=4G >>> -p >>> > RUBY -A y4 >>> > salloc: Granted job allocation 199 >>> > [mahmood@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 >>> >>>
