On 9 November 2017 at 10:35, Elisabetta Falivene <e.faliv...@ilabroma.com> wrote:
> Wow, thank you. There's a way to check which directories the master and > The nodes share? > There's no explicit way. 1. Check the cluster documentation written by the cluster admins 2. Ask the cluster admins 3. Run "mount" or "cat /etc/mtab" or "df -H" on the master node and check against the same commands on a worker node (by getting an interactive terminal: "srun --pty bash" ) Cheers L. ------ "The antidote to apocalypticism is *apocalyptic civics*. Apocalyptic civics is the insistence that we cannot ignore the truth, nor should we panic about it. It is a shared consciousness that our institutions have failed and our ecosystem is collapsing, yet we are still here — and we are creative agents who can shape our destinies. Apocalyptic civics is the conviction that the only way out is through, and the only way through is together. " *Greg Bloom* @greggish https://twitter.com/greggish/status/873177525903609857 > Il mercoledì 8 novembre 2017, Lachlan Musicman <data...@gmail.com> ha > scritto: > >> On 9 November 2017 at 09:19, Elisabetta Falivene <e.faliv...@ilabroma.com >> > wrote: >> >>> I'm getting this message anytime I try to execute any job on my cluster. >>> (node01 is the name of my first of eight nodes and is up and running) >>> >>> Trying a python simple script: >>> *root@mycluster:/tmp# srun python test.py * >>> *slurmd[node01]: error: task/cgroup: unable to build job physical cores* >>> */usr/bin/python: can't open file 'test.py': [Errno 2] No such file or >>> directory* >>> *srun: error: node01: task 0: Exited with exit code 2* >>> >>> >> This error - which I've seen too many times to mention - is because the >> file isn't visible to the node. >> >> EG: If all the cluster share /opt and /home/ but not /root, and you run >> "srun python test.py" from /root - then node1 can't find it (because on >> node1, /root/test.py doesn't exist) >> >> Cheers >> L. >> >> >> ------ >> "The antidote to apocalypticism is *apocalyptic civics*. Apocalyptic >> civics is the insistence that we cannot ignore the truth, nor should we >> panic about it. It is a shared consciousness that our institutions have >> failed and our ecosystem is collapsing, yet we are still here — and we are >> creative agents who can shape our destinies. Apocalyptic civics is the >> conviction that the only way out is through, and the only way through is >> together. " >> >> *Greg Bloom* @greggish https://twitter.com/greggish/s >> tatus/873177525903609857 >> >
