ARC-CE

ARC-CE/HT-Condor : Installation, Configuration Recipes

Installation

Requirements

• NTP
• Local accounts or NIS (ypbind)
• Host certificate for the ARC-CE

HT-Condor

• Install HT-Condor and configure the ARC-CE as a HT-Condor submitter
• Add firewall rule to allow condor communications

 firewall-cmd  --permanent --zone=public --add-port=9618/tcp

• Test HT-Condor submitter

ARC-CE

• Configure repositories
• Install ARC-CE
• Add firewall rules for ARC-CE

Start(Stop) ARC-CE services

Start the gridftp service

systemctl start gridftpd.service

Start ARC-CE service (a-rex)

systemctl start a-rex

Start Information service (BDII/LDAP)

systemctl restart nordugrid-arc-ldap-infosys.service

Test

Testing the Information service

UI>arcinfo -c nanlcg08.in2p3.fr

Computing service: MINIMAL Computing Element (production)

 Information endpoint: ldap://nanlcg08.in2p3.fr:2135/Mds-Vo-Name=local,o=grid
 Information endpoint: ldap://nanlcg08.in2p3.fr:2135/o=glue
 Submission endpoint: gsiftp://nanlcg08.in2p3.fr:2811/jobs (status: ok, interface: org.nordugrid.gridftpjob)

UI>ldapsearch -x -H ldap://nanlcg08.in2p3.fr:2135 -b mds-vo-name=local,o=grid

1. extended LDIF
3. LDAPv3
4. base <mds-vo-name=local,o=grid> with scope subtree
5. filter: (objectclass=*)
6. requesting: ALL
8. local, grid

dn: Mds-Vo-name=local,o=grid objectClass: Mds Mds-Vo-name: local Mds-validfrom: 20171018071546Z Mds-validto: 20171018081546Z

1. nanlcg08.in2p3.fr, local, grid

dn: nordugrid-cluster-name=nanlcg08.in2p3.fr,Mds-Vo-name=local,o=grid nordugrid-cluster-totalcpus: 8 [...]

ldapsearch -x -H ldap://nanlcg08.in2p3.fr:2135 -b o=glue

1. extended LDIF
3. LDAPv3
4. base <o=glue> with scope subtree
5. filter: (objectclass=*)
6. requesting: ALL
8. glue

dn: o=glue objectClass: organization o: glue

1. services, glue

dn: GLUE2GroupID=services,o=glue objectClass: GLUE2Group GLUE2GroupID: services [...]

External links

• ARC-CE home page
• GridPP Example Build of an ARC/Condor Cluster