[slurm-users] $TMPDIR does not honor "TmpFS"

[Roberts, John E.]

TmpFS in slurm.conf wasn’t being honored from my experience from at least v16.05.10. When I initially configured Slurm, I noticed this myself. As with the user below, we are also just setting this elsewhere.

Thanks!
John

From: slurm-users <slurm-users-bounces at lists.schedmd.com> on behalf of Shenglong Wang <sw77 at nyu.edu>
Reply-To: Slurm User Community List <slurm-users at lists.schedmd.com>
Date: Wednesday, November 21, 2018 at 8:55 AM
To: Slurm User Community List <slurm-users at lists.schedmd.com>
Subject: Re: [slurm-users] $TMPDIR does not honor "TmpFS"

We have TMPDIR setup inside prolog file. Hope users do not have absolute path /tmp inside their scripts.

#!/bin/bash

SLURM_BIN="/opt/slurm/bin"

SLURM_job_tmp=/state/partition1/job-${SLURM_JOB_ID}

mkdir -m 700 -p $SLURM_job_tmp
chown $SLURM_JOB_USER $SLURM_job_tmp

echo "export SLURM_JOBTMP=$SLURM_job_tmp"
echo "export SLURM_JOB_TMP=$SLURM_job_tmp"
echo "export SLURM_JOB_TMPDIR=$SLURM_job_tmp"
echo "export TMPDIR=$SLURM_job_tmp”

Best.
Shenglong


On Nov 21, 2018, at 9:44 AM, Roger Moye <rmoye at quantlab.com<mailto:rmoye at quantlab.com>> wrote:

We are having the exact same problem with $TMPDIR.   I wonder if a bug has crept in?    I spoke to the SchedMD guys at SC18 last week and they were not aware of a bug but since more than one person is having this difficulty something must be wrong somewhere.

-Roger

From: slurm-users [mailto:slurm-users-bounces at lists.schedmd.com] On Behalf Of Douglas Duckworth
Sent: Wednesday, November 21, 2018 7:38 AM
To: slurm-users at lists.schedmd.com<mailto:slurm-users at lists.schedmd.com>
Subject: [slurm-users] $TMPDIR does not honor "TmpFS"

Hi

We are setting TmpFS=/scratchLocal in /etc/slurm/slurm.conf on nodes and controller.  However $TMPDIR value seems to be /tmp not /scratchLocal.  As a result users are writing to /tmp which we do not want.

We are not setting $TMPDIR anywhere else such as /etc/profile.d nor do users have it defined in their ~/.bashrc or ~/.bash_profile.

We do not see any error messages anywhere which could indicate why the default value of /tmp overrides our value of of TmpFS.

As I understand prolog scripts can change this value though, if that's the case, then what's the purpose of setting TmpFS in /etc/slurm/slurm.conf?


Thanks,

Douglas Duckworth, MSc, LFCS
HPC System Administrator
Scientific Computing Unit<https://urldefense.proofpoint.com/v2/url?u=https-3A__scu.med.cornell.edu&d=DwMGaQ&c=slrrB7dE8n7gBJbeO0g-IQ&r=gI7YPDDMIksUN29Y65_UCg&m=VfqOl-yXqx9492N0dCQZ7TafygrL8Ev0zem-MEqEYEY&s=H8jTI5dijpEftNyF3D1oZZOBrn4sRgY0wXSxgqUgD2U&e=>
Weill Cornell Medicine
1300 York Avenue
New York, NY 10065
E: doug at med.cornell.edu<mailto:doug at med.cornell.edu>
O: 212-746-6305
F: 212-746-8690
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