Slurm: Difference between revisions
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* create a user slurm: adduser slurm. | * create a user slurm: adduser slurm. | ||
* all UID/GUIDs of slurm user should be identical allover the nodes. | * all UID/GUIDs of slurm user should be identical allover the nodes. | ||
Otherwise, one needs to specify a mapping scheme for translating each UID/GUIDs between nodes. | |||
<nowiki>Otherwise, one needs to specify a mapping scheme for translating each UID/GUIDs between nodes. | |||
To edit slurm UID/GUID, do "vipw" and replace "slurm line" with slurm:x:XXXXX:YYYYY::/nonexistent:/bin/false | To edit slurm UID/GUID, do "vipw" and replace "slurm line" with slurm:x:XXXXX:YYYYY::/nonexistent:/bin/false | ||
XXXXX and YYYYY for slurm user can be found at gimel in /etc/passwd | XXXXX and YYYYY for slurm user can be found at gimel in /etc/passwd | ||
NB: don't forget to edit /etc/group as well. | NB: don't forget to edit /etc/group as well.</nowiki> |
Revision as of 14:26, 27 May 2020
Detailed step-by-step instruction:
node n-1-17
- make sure you have there Centos 7: cat /etc/redhat-release
- wget https://download.schedmd.com/slurm/slurm-17.02.11.tar.bz2
- yum install readline-devel perl-ExtUtils-MakeMaker.noarch munge-devel pam-devel
- export VER=17.02.11; rpmbuild -ta slurm-$VER.tar.bz2 --without mysql; mv /root/rpmbuild .
installing built packages from rpmbuild:
- yum install rpmbuild/RPMS/x86_64/slurm-plugins-17.02.11-1.el7.x86_64.rpm
- yum install rpmbuild/RPMS/x86_64/slurm-17.02.11-1.el7.x86_64.rpm
- yum install rpmbuild/RPMS/x86_64/slurm-munge-17.02.11-1.el7.x86_64.rpm
setting up munge:
copy over /etc/munge/munge.key from gimel and put locally to /etc/munge. The key should be identical allover the nodes.
Munge is a daemon responsible for secure data exchange between nodes.
Set permissions accordingly: chown munge:munge /etc/munge/munge.key; chmod 400 /etc/munge/munge.key
starting munge: systemctl enable munge; systemctl start munge
setting up slurm:
- create a user slurm: adduser slurm.
- all UID/GUIDs of slurm user should be identical allover the nodes.
Otherwise, one needs to specify a mapping scheme for translating each UID/GUIDs between nodes. To edit slurm UID/GUID, do "vipw" and replace "slurm line" with slurm:x:XXXXX:YYYYY::/nonexistent:/bin/false XXXXX and YYYYY for slurm user can be found at gimel in /etc/passwd NB: don't forget to edit /etc/group as well.